The Aviation DataBase: Service Information: Grob
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Drawings
NameRevisionLangSubjectDate
en Astir CS05/03/1974
en Astir CS 7702/11/1977
en Astir CS Jeans04/01/1977
en Twin II12/14/1979
en Twin Astir05/10/1977
en Twin III10/23/1985
en Twin III W02/06/1998
en Speed Astir II03/30/1979
Flight Manuals
NameRevisionLangSubjectDate
9 en Astir CS Flight Manual11/28/2005
Maintenance Manual Temporary Revisions
NameRevisionLangSubjectDate
en G115C/D: Introduces an Examination Lip Seal on Air Flap in Air Filter Box10/23/2009
en G115: Introduces an Examination Lip Seal on Air Flap in Air Filter Box10/22/2009
en G115B: Introduces an Examination Lip Seal on Air Flap in Air Filter Box10/22/2009
en G115C/D: Introduces a Life Limit of 8000 Landings for Nose Wheel Fork 115C-5200.1407/27/2009
en G115: Introduces a Life Limit of 8000 Landings for Nose Wheel Fork 115C-5200.1407/27/2009
en G115C/D: Introduces Procedures to Examine and Replace Flap in Air Filter Box10/23/2009
en G115: Introduces Procedures to Examine and Replace Flap in Air Filter Box10/22/2009
en G115B: Introduces Procedures to Examine and Replace Flap in Air Filter Box10/22/2009
Maintenance Manuals
NameRevisionLangSubjectDate
10 en G103C Twin III SL12/15/2006
Pilot's Operating Handbooks
NameRevisionLangSubjectDate
6 en G103C Twin III SL07/20/2009
Repair Instructions
NameRevisionLangSubjectDate
en Flight Controls -Alternative Hinge Safety Method10/14/2014
en Exchange of Bolt in Tail Mounting Bracket09/16/2016
1 en Fuselage Structure & Rudder - Repair of Hinge Bracket Attachment Point - Rudder & Vertical Stabiliser06/02/2021
1 en Wings Trailing Edge Trailing Edge Devices - Repair of Hinge Bracket Attachment Points - Flaps06/02/2021
1 en Ailerons & Elevons - Repair of Hinge Bracket Attachment Points - Aileron06/02/2021
1 en Stabilisers - Repair of Hinge Bracket Attachment Points - Elevator & Horizontal Stabilizer06/02/2021
1 en Wings - Repair of Aileron & Flap Bellcrank Attachment Points06/02/2021
en Standard Practices and Structures - General - Approved Repair Instructions according to Part 21, Subpart M05/14/2009
1 en Standard Practices and Structures - General - Approved Repair Instructions according to Part 21, Subpart M09/19/2014
2 en Standard Practices and Structures - General - Approved Repair Instructions according to Part 21, Subpart M01/15/2015
3 en Standard Practices and Structures - General - Approved Repair Instructions according to Part 21, Subpart M09/20/2018
en Standard Practices and Structures - General - Repair of Engine Baffles11/05/2009
16 en Release of Production Documents for Repair and Overhaul09/11/2020
en Main Gear - Modification of Main Wheel Axles09/30/2014
Service Bulletin Summaries
NameRevisionLangSubjectDate
en G10202/04/2009
en G10302/04/2009
en G103C Twin III SL09/18/2009
en G10404/22/2010
en G10906/05/2024
en G11506/05/2024
en G12006/05/2024
en G120TP09/26/2024
en G 250004/18/2017
en All Grob10/29/2009
Service Bulletins
NameRevisionLangSubjectDate
de Increase of Maximum Weight from 360 kp to 370 kp; Hook Release; Airfoil of Elevator; Service Shutter in Fuselage for Control Connections09/12/1975
de Changeable Trim Ballast02/14/1978
de Tow Hook (Additional Equipment for France)03/26/1978
de Changeable Trim Ballast11/26/1978
de Changeable Trim Ballast for Light Pilots in Front Seat02/28/1978
de Wire Protector, Restricted Vne, Changed Placards, Amendments for Manual (Special Equipment for Export to Netherlands)05/02/1978
de Modification of Canopy Jettison & Tow Hook (Special Equipment for Export to France)03/19/1979
en Exchange of Airbrake Idler Levers Left and Right 103-4123 and 103-4124 in Dive Brake System of Wing05/02/1979
de Exchange of Airbrake Idler Levers Left and Right 103-4123 and 103-4124 in Dive Brake System of Wing05/02/1979
de Installation of Pilot's Removable Trim Weights07/18/1979
de Change in Attachment of Center of Gravity Coupling06/16/1976
de Changeable Trim Ballast11/26/1978
2 de Additional Equipment for France (Tow Hook)06/13/1980
de Exchange of Canopy Hinge01/20/1983
en Exchange of Canopy Hinge01/20/1983
1 de Inspection of All Elevator Hinges06/04/1991
1 en Inspection of All Elevator Hinges06/04/1991
en Inspection and Replacement of Spar Spigot Assemblies10/11/1990
en Inspection and Replacement of Spar Spigot Assemblies07/12/1991
de Inspection and Replacement of Spar Spigot Assemblies07/12/1991
2 en Extension of Service Life ((Install Inst))12/06/1995
2 de Extension of Service Life 12/06/1995
de Inspection of Airbrake Stops09/14/1992
en Inspection of Airbrake Stops09/14/1992
en Securing of L'Hotellier Quick Release Attachments A. Installation of WEDEKIND-SICHERUNG B. Installation of Securing Socket S2607/01/1994
de Securing of L'Hotellier Quick Release Attachments A. Installation of WEDEKIND-SICHERUNG B. Installation of Securing Socket S2607/01/1994
en Exchange of Elevator Lever09/15/1994
de Exchange of Elevator Lever
en Increase in Mass and Static Residual Moment Limits for Elevator12/04/1994
en Increase in Mass and Static Residual Moment Limits for Elevator12/04/1994
de Mandatory Flight Controls04/27/2007
en Mandatory Flight Controls04/27/2007
en Mandatory Increase of Mass Balance10/09/2001
de Mandatory Increase of Mass Balance10/09/2001
2 de Mandatory Increase of Mass Balance11/22/2001
2 en Mandatory Increase of Mass Balance11/22/2001
3 en Mandatory Increase of Mass Balance04/18/2002
3 en Mandatory Increase of Mass Balance12/04/2002
3 de Mandatory Increase of Mass Balance04/18/2002
en Mandatory Modification of Canopy Jettison System06/13/2003
2 en Mandatory Modification of Canopy Jettison System08/13/2003
2 de Mandatory Modification of Canopy Jettison System08/13/2003
de Mandatory Inspection of Elevator Attachment02/12/2004
en Mandatory Inspection of Elevator Attachment02/12/2004
1 de Mandatory Inspection of Elevator Attachment11/28/2005
1 en Mandatory Inspection of Elevator Attachment11/28/2005
2 de Mandatory Inspection of Elevator Attachment06/08/2006
2 en Mandatory Inspection of Elevator Attachment06/08/2006
de Conversion of Motor Glider Astir CS Top/Astir CS 77 Top/Astir CS Jeans Top to Glider04/08/2005
en Conversion of Motor Glider Astir CS Top/Astir CS 77 Top/Astir CS Jeans Top to Glider04/08/2005
en-de Information About Revision Status of Flight Manual and Maintenance Manual10/15/2007
de Exceptional Regulations for Markings of Aircraft02/04/1980
de Special Equipment for Acrobatic Flight07/10/1980
de Special Equipment of Grob G103 "Twin II" for Export to Netherlands09/29/1980
de Special Equipment of Grob G103 "Twin II" for Export to France09/30/1980
de Marks to Control Correct Mounting of Elevator10/01/1980
en Marks to Control Correct Mounting of Elevator10/01/1980
de Exchange of Hotellier Quick-Connectors in Flight Control Rods05/04/1981
de Exchange of Trim Rod in Elevator01/12/1981
en U.S. Airworthiness Certification of "Prematurely" Exported Sailplanes03/12/1982
de Increase of Service Time09/30/1981
de Installation of a Larger Elevator11/19/1981
de Change of Speed Limits12/10/1981
de Special Equipment for Grob G103 "Twin II" & G103 A "Twin II Acro" for Export to Sweden02/04/1982
de Stronger Weak Links for Tow Cables of Twin Astir with Trainer & of Grob G103 "Twin II" with "Acro"04/27/1982
de Check & Change of Carriage in Front Pedal Unit of Grob G103 "Twin II" with "Acro"06/22/1982
de Deviations from German Data Sheet No. 315 for Italian Registered Aircraft09/06/1982
de Exchange of Twin Astir & Twin Astir Trainer Wings for Repair with Wings of Grob G103 A "Twin II Acro"01/17/1983
en U.S. Airworthiness Certification of "Prematurely" Exported Sailplanes04/02/1984
de Modification for Aircraft with Certification in Austria12/20/1983
2 de Modification for Aircraft with Certification in Austria02/14/1985
de Installation of Spin Fins for Training (Australia)01/16/1984
de Increase of Service Time02/28/1984
de Special Equipment Grob G103 A "Twin II Acro" for Export to Netherlands02/29/1984
de Inspection & Exchange of Front Airbrake Operating Lever 103B-427010/01/1985
de Inspection & Exchange of Parallel Lever II 103-4320.05 at Rear Pedal Support of Rudder Control10/01/1985
de Inspection & Exchange of Stop Pad 103B-4721.11 at Outer Pivoted Levers of Airbrakes in Wing10/07/1985
de Checking and Relocating Aft Actuator Knob of Tow Hooks06/12/1987
en Checking and Relocating Aft Actuator Knob of Tow Hooks06/12/1987
de Checking Rudder Lever 1038-4430 on Aft Stick Bulkhead 08/03/1987
en Checking Rudder Lever 1038-4430 on Aft Stick Bulkhead ((Repair Inst R1, Repair Inst R2))08/03/1987
en Inspection and, if Necessary, Exchange of Elevator Push-Rod III (103A-4244) or Elevator Push-Rod IV (103A-4694) Respectively12/08/1987
de Inspection and, if Necessary, Exchange of Elevator Push-Rod III (103A-4244) or Elevator Push-Rod IV (103A-4694) Respectively12/08/1987
2 en Optional Removal of Winch Launching Hook03/03/1998
2 en Optional Removal of Winch Launching Hook03/03/1998
de Inspection & Exchange of Both End Spar Spigot Assemblies06/23/1988
en Inspection and Reinforcement of Welded parts in Flight Control System of Gliders Grob G103 Twin II and G103A Twin II Acro07/22/1988
de Inspection and Reinforcement of Welded parts in Flight Control System of Gliders Grob G103 Twin II and G103A Twin II Acro07/22/1988
de Exchange of Fixing Bolts of Aileron Connector at Distributor11/14/1988
en Exchange of Fixing Bolts of Aileron Connector at Distributor11/14/1988
1 de Exchange of Fixing Bolts of Aileron Connector at Distributor12/12/1989
1 en Exchange of Fixing Bolts of Aileron Connector at Distributor12/12/1989
de Installation of a Fold-Out Operating Handle on Airbrake Lever06/13/1989
en Revision 1 of Following Manuals: - Flight Manual (German Issue); - Maintenance Manual (German Issue); - Flight Manual (English Issue)07/18/1989
de Revision 1 of Following Manuals: - Flight Manual (German Issue); - Maintenance Manual (German Issue); - Flight Manual (English Issue)07/18/1989
en Substitution of Salving Guide and Spindle in Rudder Pedal Unit09/28/1989
de Substitution of Salving Guide and Spindle in Rudder Pedal Unit09/28/1989
en Revision 1 of Following Manuals: Maintenance Manual (English Issue); Revision 2 of Following Manuals: Flight Manual (German Issue), Maintenance Manual (German Issue), Flight Manual (English Issue)11/23/1989
de Revision 1 of Following Manuals: Maintenance Manual (English Issue); Revision 2 of Following Manuals: Flight Manual (German Issue), Maintenance Manual (German Issue), Flight Manual (English Issue)11/23/1989
en Extension of Service Life ((Repair Inst))10/11/1991
2 en Extension of Service Life ((Repair Inst))12/21/1995
2 de Extension of Service Life 12/21/1995
en Exchange of Airbrake Over-Centre Lever P/N 103-4123/412404/22/1992
2 de Exchange of Airbrake Over-Centre Lever P/N 103-4123/412401/20/1993
2 en Exchange of Airbrake Over-Centre Lever P/N 103-4123/412401/20/1993
de Inspection of Airbrake Stops09/14/1992
en Inspection of Airbrake Stops09/14/1992
de Optional Installation of a Disc Brake09/28/1992
en Optional Installation of a Disc Brake09/28/1992
de Inspection of Wheel Brake10/05/1992
en Inspection of Wheel Brake10/05/1992
de Installation of Canards for Spin Training01/14/1993
en Installation of Canards for Spin Training01/14/1993
2 en Installation of Canards for Spin Training02/14/1997
2 de Installation of Canards for Spin Training02/14/1997
en - Installation of a Manual Control for Rudder; - Installation of a Gate-Stop Device for Airbrake Operating Lever01/14/1993
de - Installation of a Manual Control for Rudder; - Installation of a Gate-Stop Device for Airbrake Operating Lever01/14/1993
en Extension of Operational Limitations05/18/1993
de Extension of Operational Limitations05/18/1993
en Modification of Airbrakes05/26/1993
en Revision of Maintenance Manual G103C TWIN III07/04/1994
de Revision of Maintenance Manual G103C TWIN III07/04/1994
en Securing of L'Hotellier Quick Release Attachments A. Installation of WEDEKIND-SICHERUNG; B. Installation of Securing Socket S2607/01/1994
de Securing of L'Hotellier Quick Release Attachments A. Installation of WEDEKIND-SICHERUNG; B. Installation of Securing Socket S2607/01/1994
en Modification of Wing-Fuselage Connecting Rods11/04/1996
de Modification of Wing-Fuselage Connecting Rods11/04/1996
de Inspection/Replacement of Knurled Nut at Rear Control Stick05/06/1999
en Inspection/Replacement of Knurled Nut at Rear Control Stick05/06/1999
2 en Inspection/Replacement of Knurled Nut at Rear Control Stick06/28/1999
2 de Inspection/Replacement of Knurled Nut at Rear Control Stick06/28/1999
en Mandatory C of G Release Hook01/21/2002
de Mandatory C of G Release Hook01/21/2002
2 de Mandatory C of G Release Hook03/09/2005
2 en Mandatory C of G Release Hook03/09/2005
en Alert Limitation of Operation05/29/2003
de Alert Limitation of Operation05/29/2003
2 en Alert Limitation of Operation06/02/2003
en Mandatory Revised Limits of Operation06/30/2003
de Mandatory Revised Limits of Operation06/30/2003
2 en Mandatory Revised Limits of Operation08/13/2003
2 de Mandatory Revised Limits of Operation08/13/2003
3 en Mandatory Revised Limits of Operation09/14/2004
3 de Mandatory Revised Limits of Operation09/14/2004
en Mandatory Limitations of Operation09/15/2003
de Mandatory Limitations of Operation09/15/2003
1 en Mandatory Limitations of Operation02/09/2006
1 de Mandatory Limitations of Operation02/09/2006
en Fuselage ((Working Inst))10/16/2003
de Fuselage 10/16/2003
1 en Fuselage02/09/2006
1 de Fuselage02/09/2006
de Mandatory Flight Controls - Elevator02/20/2004
en Mandatory Flight Controls - Elevator02/20/2004
1 de Mandatory Flight Controls - Elevator12/20/2004
1 en Mandatory Flight Controls - Elevator12/20/2004
de Mandatory Information About Revision Status of Flight Manual and Maintenance Manual11/21/2005
en Mandatory Information About Revision Status of Flight Manual and Maintenance Manual11/21/2005
1 en-de Mandatory Information About Revision Status of Flight Manual and Maintenance Manual05/05/2006
de Flight Controls - Elevator01/24/2006
en Flight Controls - Elevator01/24/2006
de Wheels and Brakes03/23/2006
en Wheels and Brakes03/23/2006
de Mandatory Stabilizer, Rudder06/24/2006
en Mandatory Stabilizer, Rudder06/24/2006
en Mandatory Fuselage Structure, Stabilizer Structure, Wing Structure04/24/2007
1 de Mandatory Fuselage Structure, Stabilizer Structure, Wing Structure07/30/2007
1 en Mandatory Fuselage Structure, Stabilizer Structure, Wing Structure07/30/2007
en Mandatory Aileron Control, Elevator Control07/02/2007
de Mandatory Aileron Control, Elevator Control07/02/2007
de Mandatory Airbrake Control06/11/2008
1 en Mandatory Airbrake Control06/23/2008
de Inspection of Airbrake Stops09/14/1992
en Inspection of Airbrake Stops09/14/1992
en Mandatory Modification of Canopy Jettison System06/13/2003
2 en Mandatory Modification of Canopy Jettison System08/13/2003
2 de Mandatory Modification of Canopy Jettison System08/13/2003
de Mandatory Information about Revision Status of Flight Manual and Maintenance Manual04/22/2010
en Mandatory Information about Revision Status of Flight Manual and Maintenance Manual04/22/2010
de Canopy Fasteners06/09/1980
en Marks to Control Correct Mounting of Elevator10/01/1980
de Marks to Control Correct Mounting of Elevator10/01/1980
de Inspection and Replacement of Spar Spigot Assemblies07/12/1991
en Inspection and Replacement of Spar Spigot Assemblies07/12/1991
en Inspection and Replacement of Spar Spigot Assemblies10/11/1990
de Extension of Service Life03/23/1998
en Extension of Service Life03/23/1998
2 en Adjustment of Flight Manual GROB G10901/19/1983
en Exchange of Sealing Piston in Fire Cock ((Install Inst))07/10/1987
1 en Exchange of Sealing Piston in Fire Cock 09/01/1992
en Approved Installation of LIMBACH L 2400 EB 1.A Engine in Combination with MUHL-BAUER MTV-1-A/L 160-03 Propeller09/20/1989
en Inspection and Exchange of Two Inner Elevator Hinges11/09/1987
en Noise Reducing Exhaust System12/12/1989
1 en Extension of Service Life11/25/1991
1 de Extension of Service Life11/25/1991
en Inspection and, where Necessary, Replacement of Studs in Root Rib Stud Plate08/06/1990
en Approved Installation of L 2400 EB 1.AA Engine in Combination with the MTV-1-A/L 160-03 Propeller09/26/1990
en Installation of a Dampered Tailwheel06/01/1993
en Inspection of Exhaust System09/18/1992
en Inspection of the BENDIX-Magnetos at GROB 2500 Engine01/14/1992
2 en Inspection of the BENDIX-Magnetos at GROB 2500 Engine03/17/1992
en Inspection of Drain Holes in Elevator (Including Trim Tab)07/20/1992
de Inspection of Airbrake Stops09/14/1992
en Inspection of Airbrake Stops09/14/1992
en Improvement of Flutter Behavior of Grob G109 ((Install Inst, Install Inst R1))07/08/1993
2 en Improvement of Flutter Behavior of Grob G109 ((Install Inst R2))03/31/1995
en Main Undercarriage Legs Inspection01/04/1994
en Mandatory Installation of a Guide Jacket for Manifold Pressure Bowden Cable at Firewall09/02/2005
en Inspection of Engine Mounting Frame for Abraded Areas07/27/1995
2 en Use of Unleaded Fuel03/09/1998
en Mode-S - Transponder07/04/2005
de Tail Wheel Installation04/19/2004
en Mandatory DC - Generation10/10/2006
1 en Audio Integrating02/07/2011
de Mandatory Aileron Control, Elevator Control07/02/2007
en Mandatory Aileron Control, Elevator Control07/02/2007
en Wheels and Brakes02/08/2008
en Mandatory Information about Revision Status of Flight Manual and Maintenance Manual06/29/2010
1 en Mandatory Information about Revision Status of Flight Manual and Maintenance Manual04/01/2011
2 en Mandatory Information about Revision Status of Flight Manual and Maintenance Manual11/16/2011
3 en Mandatory Information about Revision Status of Flight Manual and Maintenance Manual03/23/2012
4 en Mandatory Information about Revision Status of Flight Manual and Maintenance Manual05/15/2012
6 en Mandatory Information about Revision Status of Flight Manual and Maintenance Manual07/26/2012
7 en Mandatory Information about Revision Status of Flight Manual and Maintenance Manual05/02/2017
8 en Mandatory Information about Revision Status of Flight Manual and Maintenance Manual09/22/2021
en Mandatory Vertical Stabilizer - Inspection of Vertical Stabilizer Nose Plate for Corrosion ((Repair Inst 817-009))11/24/2011
1 en Mandatory Vertical Stabilizer - Inspection of Vertical Stabilizer Nose Plate for Corrosion02/17/2015
en Mandatory Aileron - Increase of Maximum Mass11/25/2011
en Mandatory Vertical Stabilizer - Installation of an Access Panel ((Repair Inst 817-010/1))11/24/2011
en Electrical Power - Alternative Toggle Switch10/07/2011
en Mandatory Airplane Flight Manual - Withdrawal of Service Bulletins TM817-7 and TM817-1301/20/2012
en Mandatory Flight Controls/Rudder - Inspection of Rudder Pedals05/15/2012
1 en Mandatory Flight Controls/Elevator - Inspection of Elevator Rod07/13/2012
2 en Mandatory Flight Controls/Elevator - Inspection of Elevator Rod09/06/2012
en Mandatory Flight Compartment Furnishing - Inspection of the Seat Harness08/07/2012
en Independent Position Determining - Provisions to Install PowerFLARM04/03/2014
en Optional Retrofit of LED Lights07/11/2014
en Mandatory Elevator and Tab - New Limits for Trim Tab04/22/2016
en Mandatory Tail Gear - Inspection of Tail Mounting Bracket09/28/2016
en Optional Engine Installation Rotax 912iSc309/30/2021
en Alert Modification of Engine Mount Attachment06/03/2022
en Alternative Undercarriage Leg07/03/2023
en Oil Cooler & Oil Thermostat - Modified Oil-Cooler Bracket07/08/2024
de Revision of Flight and Maintenance Manual02/19/1992
en Revision of Flight and Maintenance Manual02/19/1992
2 de Revision of Flight and Maintenance Manual04/10/1992
2 en Revision of Flight and Maintenance Manual04/10/1992
de Inspection and, if Necessary, Modification of Auxiliary Battery Frame04/03/1992
en Inspection and, if Necessary, Modification of Auxiliary Battery Frame04/03/1992
en Exchange of Inner Main Wheel Fairing06/01/1992
de Exchange of Inner Main Wheel Fairing06/01/1992
de Inspection of Upper Pulley Wheel08/05/1992
en Inspection of Upper Pulley Wheel08/05/1992
en Exchange of Spiral Pin in Spindle Drive09/07/1992
de Exchange of Spiral Pin in Spindle Drive09/07/1992
en Check and Securing of Spiral Pins in Brake Disc of Propeller Brake09/17/1992
de Check and Securing of Spiral Pins in Brake Disc of Propeller Brake09/17/1992
en - Modification of Propeller Drive Unit and of Propeller Brake; - Revision of Flight and Maintenance Manual10/01/1992
de - Modification of Propeller Drive Unit and of Propeller Brake; - Revision of Flight and Maintenance Manual10/01/1992
en Inspection of Wheel Brake10/05/1992
de Inspection of Wheel Brake10/05/1992
de Modifications in Main Wheel Area11/16/1992
en Modifications in Main Wheel Area11/16/1992
en Installation of a Cable Guide at Exhaust System11/19/1992
de Installation of a Cable Guide at Exhaust System11/19/1992
de Inspection of Fuel Filters11/25/1992
en Inspection of Fuel Filters11/25/1992
en Installation of VHF-COM-Antenna BECKER Type 1A00512/23/1992
de Installation of VHF-COM-Antenna BECKER Type 1A00512/23/1992
de Exchange of Propeller Switch 25 KB01/08/1993
en Exchange of Propeller Switch 25 KB01/08/1993
en - Installation of a Manual Control for Rudder; - Installation of a Gate-Stop Device for Airbrake Operating Lever; - Modification of Engine Operation02/22/1993
de - Installation of a Manual Control for Rudder; - Installation of a Gate-Stop Device for Airbrake Operating Lever; - Modification of Engine Operation02/22/1993
de Revision of Maintenance Manual/Change of Inspection and Maintenance Records07/27/1993
en Revision of Maintenance Manual/Change of Inspection and Maintenance Records07/27/1993
en Propeller Flange Exchange09/27/1993
de Propeller Flange Exchange09/27/1993
en Mandatory Upper Pulley Wheel03/07/1996
de Mandatory Upper Pulley Wheel03/07/1996
2 en Mandatory Upper Pulley Wheel07/08/1996
2 de Mandatory Upper Pulley Wheel07/08/1996
3 en Mandatory Upper Pulley Wheel05/24/2004
3 de Mandatory Upper Pulley Wheel05/24/2004
en Revision of Maintenance Manual11/20/1997
de Optional Removal of Winch Launching Hook03/03/1998
en Optional Removal of Winch Launching Hook03/03/1998
en Mandatory C of G Release Hook01/22/2002
de Mandatory C of G Release Hook01/22/2002
en Mandatory Stabilizer, Rudder06/24/2006
de Mandatory Stabilizer, Rudder06/24/2006
en-de Mandatory Information About Revision Status of Flight Manual and Maintenance Manual12/15/2006
1 en-de Mandatory Information About Revision Status of Flight Manual and Maintenance Manual07/20/2009
en Mandatory Fuselage Structure, Stabilizer Structure, Wing Structure04/24/2007
1 en Mandatory Fuselage Structure, Stabilizer Structure, Wing Structure07/30/2007
1 de Mandatory Fuselage Structure, Stabilizer Structure, Wing Structure07/30/2007
en Mandatory Aileron Control, Elevator Control07/02/2007
de Mandatory Aileron Control, Elevator Control07/02/2007
de Mandatory Airbrake Control06/11/2008
1 en Mandatory Airbrake Control06/23/2008
1 en Installation of Spring Device System between Aileron and Rudder06/15/1988
en Special Equipment of GROB G115 for Export to Netherlands06/15/1988
en Special Equipment of GROB G115 for Export to USA12/16/1988
en Approval of Installation of a Primer System ((Install Inst))12/20/1988
en Authorized Installation of Sensenich Propeller 72CKS6-2-5312/16/1988
en Exchange of Bowden Cables for Throttle and Mixture Operation and Exchange of Fuel Shut-Off Valve05/22/1989
1-7 en Extension of Operation Limits - New Edition of Flight Manual - Installation of Additional Equipment ((Install Inst-2, Install Inst-4))10/24/1989
en Design Standard and Special Equipment for GROB G115 for Export to UK04/28/1992
1 en Cracks on Main Landing Gear Axles07/04/1990
en Modification of Main Landing Gear06/07/1991
en Replacement of Both Aileron Control Rods No. 1 (115-4400/4401)07/05/1990
en Permitted Modification of Nose Landing Gear05/06/1991
en Replacement of Fuel Hose on Firewall09/18/1990
en Installation of Maintenance Free Fuel Lines12/02/1991
en Revision of Flight Manual GROB G115/G115A08/13/1992
2 en Modification of G115/G115A to G115B Standard04/21/1993
2 en Elevator Lever Exchange08/12/1993
de Inspection or Modification of Elevator and Elevator Trim Control System08/13/1993
en Inspection or Modification of Elevator and Elevator Trim Control System08/13/1993
en Installation of GRP Nose Wheel Fork09/22/1993
en Revision of Maintenance Manuals10/17/1994
en Check and, if Necessary, Exchange of Carburetor Temperature Sensor12/05/1994
en Installation of LIESE After-Muffler to G115/G115A with Sensenich Propeller12/12/1995
3 en Validation of Never Exceed Speed (VNE) & Reapproval of "Aerobatic" Maneuvers10/24/1996
en Exchange of Elevator Hinges ((Install Inst))12/11/1996
2 en Exchange of Elevator Hinges04/08/1997
en Weights and Residual Moments of Control Surfaces02/10/1997
en Modification of Flap Control04/29/1997
en Securing of Lower Rudder Bolt11/12/1997
en Inspection of Trim Tab Hinges05/15/1998
2 en Installation of Maintenance Free Fuel, Oil and Brake Hoses02/07/2001
en Service Life Extension01/27/2004
1 en Service Life Extension07/25/2016
2 en Mandatory Fuel Storage System & Fuel Distribution System12/13/2021
2 en Exhaust Muffler Installation05/15/2003
2 en Fuel Tank Sealant03/21/2002
6 en Mandatory Wheels and Brakes - Brake Master Cylinder11/05/2012
1 en Mandatory CO in Cockpit10/07/2002
en Flight Compartment Furnishing07/31/2002
1 en Mandatory Revision of Documentation. Information About Revision Status03/10/2004
2 en Mandatory Revision of Documentation. Information About Revision Status02/26/2008
3 en Mandatory Revision of Documentation. Information About Revision Status01/20/2012
4 en Mandatory Revision of Documentation. Information About Revision Status10/12/2016
1 en Mandatory Revision of Documentation. Information About Revision Status03/10/2004
2 en Mandatory Revision of Documentation. Information About Revision Status02/26/2008
3 en Mandatory Revision of Documentation. Information About Revision Status01/20/2012
4 en Mandatory Revision of Documentation. Information About Revision Status01/20/2012
3 en Mandatory Revision of Documentation. Information About Revision Status05/31/2006
4 en Mandatory Revision of Documentation. Information About Revision Status10/16/2007
5 en Mandatory Revision of Documentation. Information About Revision Status06/19/2008
6 en Mandatory Revision of Documentation. Information About Revision Status09/17/2010
7 en Mandatory Revision of Documentation. Information About Revision Status03/21/2011
8 en Mandatory Revision of Documentation. Information About Revision Status03/21/2011
9 en Mandatory Revision of Documentation. Information About Revision Status06/14/2016
13 en Mandatory Documentation Status09/07/2009
28 en Mandatory Documentation Status09/15/2023
7 en Mandatory Revision of Documentation. Information about Revision Status12/20/2011
8 en Mandatory Revision of Documentation. Information about Revision Status05/31/2016
2 en Mandatory Propeller07/14/2004
en Mandatory Fuel Distribution10/01/2004
de Mandatory Fuel Distribution10/01/2004
en Mandatory Landing Gear & Main Landing Gear11/22/2004
en Mandatory Wheels and Brakes - Alternate Brake Cylinder02/08/2008
2 en Mandatory Wheels and Brakes - Alternate Brake Cylinder02/08/2008
3 en Mandatory Wheels and Brakes - Alternate Brake Cylinder09/14/2021
1 en Mandatory Service Life Extension01/20/2012
2 en Mandatory Service Life Extension07/25/2016
en Landing Gear & Main Landing Gear07/10/2009
1 en Mandatory Standard Practices - Airframe & Wing Structure09/16/2010
en Mandatory Canopy - Canopy Jettison07/21/2009
en Mandatory Nose Landing Gear10/29/2009
en Mandatory Instrument Panel Installation - Check Electrical Wiring for Chafing, Installation of Chafing Protection09/02/2009
en Mandatory Fuel - Distribution - Inspection of Air Filter Box10/21/2009
en Mandatory Canopy - Inspection of Canopy Lock10/23/2009
en Mandatory Inspection of Flaps Operating Lever10/21/2009
en Marking of Canopy Emergency Release Handle07/21/2010
en Nose Wheel Steering - Improved Attachment of Shimmy Damper03/16/2011
1 en Nose Wheel Steering - Improved Attachment of Shimmy Damper09/19/2011
en Electrical Power - Alternative Toggle Switch02/10/2012
1 en Mandatory Elevators and Trim Tab - Inspection of Elevator Trim Tab Arm03/08/2012
2 en Mandatory Elevators and Trim Tab - Inspection of Elevator Trim Tab Arm03/28/2012
3 en Mandatory Elevators and Trim Tab - Inspection of Elevator Trim Tab Arm08/03/2012
en Mandatory Standard Practices and Structures - General - Replacement of Self Locking Nuts11/26/2012
en Mandatory Inspection of Elevator Flanges11/26/2013
1 en Mandatory Inspection of Elevator Flanges12/03/2013
en Mandatory Inspection of Starter Solenoid07/14/2014
1 en Mandatory Inspection of Starter Solenoid12/01/2014
en Mandatory Fuselage Structure - Inspection of Tail Joints02/25/2016
2 en Mandatory Flight Compartment - Limitation of Aerobatic Operation03/03/2017
1 en Mandatory DC Electrical Load Distribution - Special Inspection of Battery Relay and External Power Relay06/14/2024
en Mandatory Flight Controls05/08/2003
en Mandatory Flight Controls05/19/2003
en Mandatory Flight Controls09/12/2003
en Mandatory Fuselage Structure: Check of Fuselage Bonding Seam11/13/2003
en Mandatory Fuselage Structure: Fuselage Bonding Seam12/10/2003
en Mandatory Fuselage Structure04/20/2004
en Mandatory Landing Gear & Extension and Retraction06/01/2004
en Mandatory Landing Gear & Extension and Retraction09/15/2004
2 en Mandatory Landing Gear & Extension and Retraction02/14/2005
en Mandatory Landing Gear & Main Landing Gear11/22/2004
en Mandatory Landing Gear & Nose Landing Gear11/26/2004
en Mandatory Landing Gear - Extension and Retraction03/07/2005
en Mandatory Power Distribution07/01/2005
en Wheels and Brakes02/08/2008
en Mandatory Electrical Power & Power Distribution03/18/2009
1 en Mandatory Electrical Power & Power Distribution04/27/2009
en Mandatory Inspection of Elevator Flanges12/03/2013
en Mandatory Inspection of Starter Solenoid / Installation of a Starter Relay07/14/2014
3 en Mandatory Inspection of Starter Solenoid / Installation of a Starter Relay02/05/2015
3 en Mandatory Engine, Fuel and Control05/30/2005
7 en Service Time between Overhauls (TBO)07/18/1994
en Inspection & Exchange of Cylinders & Intake Pipes06/30/1984
en Vacuum Pump with Modification02/05/1986
en Modification of Cylinder Head Seat01/18/1988
en Inspection and Modification of Lower Slick Magneto10/08/1992
en Exchange of Toothed Rings of Magnetos10/20/1992
en Inspection of Cylinder Head Valve Seat07/18/1994
en Optional Installation of Spark Plugs Type Champion REN 30S07/18/1994
en New Issue of Operations Manual 07/01/1994
en Revision of Operations Manual 10/05/1994
2 en Mandatory Engine - Reworking of Cylinder Heads02/24/2011
en-de Mandatory Waterballast - Dump - Inspection of Water Ballast Connection for Tight Fit10/21/2009
Service Letter Summaries
NameRevisionLangSubjectDate
en G103C Twin III SL07/27/2009
en G10905/25/2011
en G11511/09/2021
en G12011/10/2021
en G120TP09/09/2024
en All Grob10/03/2023
Service Letters
NameRevisionLangSubjectDate
en Installation of GPS Antenna05/18/2000
en Change of Engine Power Control Panel Cover Plate P/N 115E-7000.27E10/18/2000
en Modification of Flexible Hoses10/23/2000
en Nose Wheel Fork10/18/2000
en NLG Bracket10/19/2000
en Repositioning of GPS Antenna05/22/2001
en Modification of Fuel Tank Vent System01/09/2001
en Mandatory Engine Controls Support Bracket03/20/2001
2 en Nose Landing Gear03/30/2006
en Fuel Distribution07/04/2002
en Canopy Lock11/20/2003
en Wheels and Brakes12/11/2007
en Standard Practices - Airframe - Torque Value07/23/2010
en Engine - Fuel and Control - Engine Driven Fuel Pump08/24/2015
en Horizontal Stabilizer08/31/2009
en Engine Mount06/17/2009
1 en Engine Mount05/18/2011
2 en Engine Mount05/30/2011
en-de Propeller Assembly06/09/2009
1 en Maintenance Checks10/25/2004
1 de Maintenance Checks10/25/2004
en Control and Actuating Cables08/05/2004
de Control and Actuating Cables08/05/2004
en General Information10/12/2004
en Repair Materials: BAKELITE Resin and Hardener Names, Alternative Adhesive for Plexiglass Replacements & Alternative Tank Sealant10/11/2004
de Repair Materials: BAKELITE Resin and Hardener Names, Alternative Adhesive for Plexiglass Replacements & Alternative Tank Sealant10/11/2004
2 en Repair Materials: BAKELITE Resin and Hardener Names, Alternative Adhesive for Plexiglass Replacements & Alternative Tank Sealant07/19/2010
3 en Repair Materials: BAKELITE Resin and Hardener Names, Alternative Adhesive for Plexiglass Replacements & Alternative Tank Sealant01/27/2011
4 en Repair Materials: BAKELITE Resin and Hardener Names, Alternative Adhesive for Plexiglass Replacements & Alternative Tank Sealant08/01/2011
1 en-de Wheels and Brakes03/03/2006
2 en Wheels and Brakes06/28/2013
en-de Wheels and Brakes01/19/2006
en-de Repair Material (Here: Paint)04/10/2007
en-de Control Stick Grip08/21/2009
en-de Standard Repairs07/13/2009
en-de Repair Instructions06/15/2010
en-de Carbon Fabric06/21/2010
en-de Return of Materials08/26/2010
en-de Change of Type Certificate Holder11/26/2010
en-de Supply of DIN - Parts (Industrial Standard)01/19/2011
en Standard Practices - Air Frame - Defective Standard Hardware07/03/2012
en Discontinuation of Grob-Micro-Benz Clock P/N 115EG-778007/19/2022
1 en Part Numbering System03/10/2023
Technical Information
NameRevisionLangSubjectDate
de Securing of Front and Rear Wing Locking Assemblies Against Turning02/14/1994
en Securing of Front and Rear Wing Locking Assemblies Against Turning02/14/1994
1 de Maintenance10/25/2004
de Control and Operating Cables08/05/2004
en Amendment of Maximum Weight05/22/1976
de Amendment of Maximum Weight05/22/1976
en Chance to Fittings of C. of G. Release06/16/1976
en Steering Installation in Cockpit Area08/16/1976
de Steering Installation in Cockpit Area08/16/1976
en Deviation of Record of Measurements (Einstell-Bericht)02/08/1977
de Deviation of Record of Measurements (Einstell-Bericht)02/08/1977
en Mounting of Cable Pulley in Case of Cable Release06/30/1977
de Mounting of Cable Pulley in Case of Cable Release06/30/1977
en Limitation of Aileron Deflection by Supports on Dismantled Plane07/28/1977
de Limitation of Aileron Deflection by Supports on Dismantled Plane07/28/1977
en Change of Rudder Control11/28/1977
de Change of Rudder Control11/28/1977
en Change of Manuals, Placards and Symbols05/23/1978
de Change of Manuals, Placards and Symbols05/23/1978
de Securing Screws for Attaching Brake Flap Levers to Center Control Unit in Fuselage Center Section06/12/1979
en Securing Screws for Attaching Brake Flap Levers to Center Control Unit in Fuselage Center Section06/12/1979
de Safety Device on Inspection Cover on Top of Fuselage02/05/1980
en Safety Device on Inspection Cover on Top of Fuselage02/05/1980
en Canopy Fasteners06/09/1980
de Canopy Fasteners06/09/1980
en Marks to Control Correct Mounting of Elevator10/01/1980
de Marks to Control Correct Mounting of Elevator10/01/1980
en Replacement of Hotellier-Quicklinks of Elevator System05/04/1981
de Replacement of Hotellier-Quicklinks of Elevator System05/04/1981
en Exchange of Elevator Hinge Bolts06/10/1981
de Exchange of Elevator Hinge Bolts06/10/1981
en Increase of Service Time09/30/1981
de Increase of Service Time09/30/1981
en U.S. Airworthiness Certification of "Prematurely" Exported Sailplanes11/25/1982
2 en Difference from German Data Sheet No. 306 for Sailplanes with Certification in Italy09/07/1982
2 de Difference from German Data Sheet No. 306 for Sailplanes with Certification in Italy09/07/1982
de Inspection and Exchange of Slide at Pedal Unit04/06/1983
en Inspection and Exchange of Slide at Pedal Unit04/06/1983
en Inspection and Exchange of Airbrake Locking Levers in Wing (TM, Repair Inst, Tech Info)03/25/1985
de Inspection and Exchange of Airbrake Locking Levers in Wing03/25/1985
en Replacements of Hotellier Quick-Links of Control System05/04/1981
en Exchange of Trimm-Tube in Elevator01/12/1981
en U.S. Airworthiness Certification of "Prematurely" Exported Sailplanes03/12/1982
en Increase in Service Time09/30/1981
en Installation of a Modified Elevator11/19/1981
2 en Installation of a Modified Elevator11/19/1981
en Inspection and Exchange of Slide at Front Pedal Unit06/22/1981
en Difference from German Data Sheet No. 315 for Sailplanes with Certification in Italy09/06/1982
en U.S. Airworthiness Certification of "Prematurely" Exported Sailplanes04/02/1984
en Installation of "Whiskers" for Training of Spinning Sailplanes with Certification in Australia01/16/1984
en Inspection and Exchange of Front Airbrake Operating Lever10/01/1985
en Inspection and Exchange of Parallel-Lever II 103-4320.05 at Rear Pedal Support of Rudder Control ((Repair Inst))10/01/1985
en Control and Extension of Stop Pad 103B-4721.11 at Outer Pivoted Levers of Airbrakes in Wing10/07/1985
en Inspection and Exchange of Both End Spar Spigot Assemblies06/23/1988
en Canopy Fasteners06/09/1980
en Change of Grossweight to Increase Useful Load05/12/1981
2 en Engine Mount05/18/2011
en Damper Installation in the Airbrake Control Assembly09/28/1981
en Updates to Flight Manual GROB G 109, Edition March 1981 to Revision Date Oct. 1, 198110/01/1981
en U.S. Airworthiness Certification of "Prematurely" Exported Sailplanes07/12/1982
en Exchange of the Engine Mount05/14/1982
en Correction of Flight Manual GROB G10912/14/1982
en Permissible Modification of the Fuel System06/30/1983
en Reduction of Center of Gravity Range and Procedure for Spin Recovery05/02/1983
2 en Reduction of Center of Gravity Range and Procedure for Spin Recovery05/24/1983
en Installation of Equipment for Controlled VFR-Flights
en Installation of Equipment for Controlled VFR-Flights09/01/1983
en U.S. Airworthiness Certification of "Prematurely" Exported Sailplanes04/02/1984
en Modification of Powered Glider with Canadian Registration10/22/1984
en Adjustment of Flight Manual GROB G 109 B01/10/1985
en Modification of Powered Glider G 109 B with Canadian Registration05/06/1985
en Inspection and exchange of Legs of Main Landing Gear03/18/1985
en Measures for Improvement of Flutter Behavior of Grob C109B ((Repair Inst R1-3))01/29/1986
en Modification on the Motorglider GROB G 109 B for the Certification in France02/03/1986
en Extension of Flight and Maintenance Manual and Optional Installation of Additional Equipment05/01/1986
Miscellaneous
NameRevisionLangSubjectDate
en General Order Form
en H3 Aerospace Acquires Grob Aircraft01/31/2009
en Grob Files for Preliminary Insolvency11/03/2008
en CAMO-Approval DE.MG.027810/02/2009
1 en G115E/EG Spec Sheet - High-Performance Training and Aerobatics
1 en G120A Spec Sheet - High-Performance Training and Aerobatics
en G140TP Spec Sheet - Single Platform - Multirole Training
en G115E/EG04/30/2004