The Aviation DataBase: Service Information: Aviat Aircraft
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Table of Contents

Installation Instructions: Pitts

Miscellaneous: Husky

Product Letters: Eagle

Service Bulletins: Husky Pitts

Service Letters: Husky Pitts

Installation Instructions: Pitts
NameRevisionLangSubjectDate
revised en Longeron Reinforcement Procedure05/09/1997
Miscellaneous: Husky
NameRevisionLangSubjectDate
en Global Alternate Means of Compliance (AMOC) to AD 2020-16-0610/30/2020
Product Letters: Eagle
NameRevisionLangSubjectDate
en Additional Hardware Required for 918 Kit in Accordance with Manual Rev111/21/1979
en Paint Designs and Availability of Masking and Painting Materials in 923 Kits11/28/1979
en Vendor-Supplied 50188-001 Adapter Improperly Machined11/26/1979
en Inspection of Bolt Thread Engagement in Self-Locking Nut Described in Manual Step O-1411/29/1979
en Procedure Error in 918 Manual Step F-1311/29/1979
en 50195-003 Nutplate Replaced by 50195-009 Nutplate12/12/1979
en P/N 31029-001 Engine Baffle Pilot Hole Location12/12/1979
en 50070-008 Flat Washer Replaces 50070-005 Flat Washer12/12/1979
en Inspect 30723-501 Elevator Control Linkage Idler Arm for Interference with Fuselage Cross Member12/19/1979
en Inspection of Clearance between Elevator Pushrod and Fuselage Frame at Station 7812/20/1979
en Inspect for Interference Between Engine Oil Filter Tube and Engine Mount Member12/27/1979
en Inspection of Elevator Horn for Crack at Top Edge of Flange01/29/1980
en Incorrect Parts in 920 Cowling Kit and Requirement for Replacement01/25/1980
en New Procedure for Checking Contents of Eagle Kits01/28/1980
en 50592-001 Gasket Added to 918 Engine Equipment Kit01/29/1980
en Addition of a Second 31182-001 Angle Bracket with Attaching Hardware01/29/1980
en 920 Hardware Items Packaging01/28/1980
en Modification of Fuselage Former to Ensure Adequate Clearance for Movement of Elevator Idler Pushrod01/31/1980
en Added Large Area Washer and Changed Bolt Length02/08/1980
en Hinge Spacer and Washer Spacers Added02/13/1980
en Incorrect Parts in 920 Cowling Kit and Requirement for Replacement01/25/1980
en Hinge Spacer and Washer Spacers Added02/15/1980
en 31000-001 Splice Plate Added to Recontour Aft Portion of Turtleneck Cover02/27/1980
en Modify 31019-001 Spring to Eliminate Interference with Airbox02/27/1980
en P/N Correction in Manual Step D-803/03/1980
en Inspection of Welded Pushrod Assemblies03/13/1980
en Correction of Stabilizer Incidence Angle in Manual03/13/1980
en Repositioning of Air Vents for Best Appearance in Both No. 1 and No. 2 Eagle Paint Designs03/21/1980
en Shipment of Air Vent Components which have Delayed on Back-Order for Eagle II 914 Kits03/25/1980
en Revised Product Brochures and New Price List for Eagle II Kits04/12/1980
en Changes in Eagle II 912 NAVCOM Kit04/13/1980
en Delivery of Eagle II 915 Canopy Kits and Field Installations by Christen Personnel04/27/1980
en Replacement of Filament Tape in Eagle II 923 Covering and Prefinish Kits04/27/1980
en Packaging Error in 923 Series Covering and Prefinish Kits04/28/1980
en Inspection of Eagle II 904 Fuselage Structure for Presence of Tubular Elements04/29/1980
en Inspection of Paint Coating on Early 904 Fuselage Structures for Presence of Rust04/29/1980
en Product Manual Parts List for Eagle II 923 Covering and Prefinish Kit05/03/1980
en Repositioning of Nutplate Tabs at Station 31 or 904 Fuselage Structure05/27/1980
en Partial Assembly of 915 Canopy Kit in Preparation for Field Installation of Kit by Christen Personnel05/14/1980
en Manual Error in Step A-25. Revised Procedure for Attachment of Airscoops and Vent Covers06/03/1980
en Relocation of Canopy Lock Panels and Hardware from 915 Canopy Kit to 908 Cockpit Equipment Kit06/13/1980
en Addition of Ventilation Air Outlets06/13/1980
en 31337-001 Electrical Panel Placard Incorrectly Identifies Left and Right Magneto Position07/09/1980
en 30344-001 Transfer Marking Stud07/11/1980
en Revised Hardware for Attaching Pushrods in Manual Steps A-5 and B-807/11/1980
en Extra 50262-001 Inspection Rings for Optional Inspection Holes07/11/1980
en Extra 50261-001 Inspection Rings for Optional Inspection Holes07/23/1980
en New Parts and Materials Added to the 923 Covering and Prefinish Kit10/16/1980
en New Parts Added to 923-L Covering and Prefinish Kit10/16/1980
en Possibility of Defective Threads in 50130-009 and 50130-010 Tie Rod Terminals10/16/1980
en Increased Length of Bushing Welded to Vertical Fin for Attachment of Tail Wire Brackets10/16/1980
en Lycoming Service Bulletin 245C10/28/1980
en Changed Hardware for Attachment of Governor Control Cable to Governor Control Arm11/04/1980
en Illustration Missing from Page J-26A of 903 Manual Revision 13 Pages11/04/1980
en Tab Dividers for 912 NAVCOM Product Manual11/11/1980
en Increased Length of Bushing Welded to Vertical Fin for Attachment of Tail Wire Brackets11/11/1980
en Corrected List of Effective Pages in 903 Manual Revision 1311/14/1980
en Existing Placards Revised and New Placards Added to 923 Covering and Prefinish Kit12/17/1980
en New Canopy Jettison Tab in 915 Canopy Kit01/12/1981
en Incorrect Bolt in 905 Kit01/27/1981
en Incorrect Bolt in 907 Kit01/27/1981
en Canopy Guide Bushings Moved from 915 Canopy Kit to 907 Fuselage Equipment Kit01/28/1981
en Inspection Plates Supplied in 923 Kit01/27/1981
en Trimtab Horn on Early Fiberglass and Aluminum Trimtab Assemblies02/13/1981
en Revised Inspection Plate for Aileron Pushrod Cover02/13/1981
en Typographical Errors in Eagle II Interim Weight and Balance Data02/03/1981
en List of Eagle Construction Tool Requirements02/08/1981
en Mechanical Fastening of Edo-Aire Radio Sets02/16/1981
en Interim Weight and Balance Data for Eagle II02/20/1981
en Product Manuals for Eagle II 914 Canopy Kits03/07/1981
en Interim Weight and Balance Data 03/19/1981
en Oil Cooler Port Fittings for Lycoming Engines04/06/1981
en Interim Weight and Balance Data 04/10/1981
en Interim Flight Manual Data for Eagle II 04/14/1981
en Possibility of Incorrect Parts in 915 Canopy Kit04/22/1981
en Fitting of Wing Tip Bows in 902 and 903 Wing Kits04/23/1981
en Interim Weight and Balance Data and Flight Manual Data05/11/1981
en Locking Lug for Edo-Aire Radios in 912 NAVCOM Kits05/26/1981
en Rudder Cables Omitted from 908 Cockpit Equipment Kit05/27/1981
en Design Modifications of Eagle II by Homebuilders06/15/1981
en Redesigned Alternate Air Door 06/15/1981
en Tapered Washers for Mounting Interplane Struts 06/15/1981
en Interim Weight and Balance Data and Flight Manual Data for Eagle II 06/19/1981
en New Part, 30389-001 ELT Locking Clip Added to Kit08/04/1981
en Interim Weight and Balance Data and Flight Manual Data for Eagle II09/09/1981
en Incorrect Nutplate Packaging in 915-H4 Hardware Kit09/22/1981
en 31223-501 Rear Hinge Assembly Inspection12/14/1981
en 31227-501 Canopy Brace Inspection10/08/1981
en 30359-001 Baffle Box Added to 918 Engine Equipment Kit10/26/1981
en FAA Form 8610-2 and FAA Form 8130-6 Added to 924 Flight Kit10/26/1981
en Inspection of 31021-001 Hinge Pin12/14/1981
en Change of Interplane Strut Mounting Hardware12/14/1981
en Ignition Switch01/08/1982
en New Hardware for Attachment of Rudder Cable Clevises to Rudder Horns02/15/1982
en Inspection of Wing Tierod Blocks02/16/1982
en Clarification of Wood Grain Description in Previous Product Letter 000252 Dated 02/16/8202/27/1982
en Incorrect Clevis Bolts Supplied with Previous Product Letter 0025103/02/1982
en Proper Installation of Engine-Attach Bolts and Possible Requirement for Bolt Inspection03/05/1982
en Incorrect P/N Marking of Control Sticks05/04/1982
en New Type Anti-Chaffing Material for Eagle II Canopy Skirt07/14/1982
en Landing Gear Fairings Redesigned to Simplify Installation07/14/1982
en New Eagle II Battery Clamp Adapter to Prevent Possible Electrical Short07/14/1982
en Cracks in Exhaust Manifold Assemblies 07/26/1982
en New Style Flying Wire Javelins 07/27/1982
en Luggage and Tiedown Storage Kit09/15/1982
en Stainless Steel Hardware Addition to Eagle II 918 Kit for Exhaust Manifold Slip-Joints09/15/1982
en Retention of Edo-Aire Radios09/15/1982
en New Digital Fuel Quantity and Fuel Flow Display System 09/16/1982
en Addition of Canopy Roller Assembly to Eagle II 915 Canopy Kit02/21/1983
en Bendix Magneto Service Bulletin 623 which may Apply to Lycoming Engines Used in Eagle II 02/21/1983
en Addition of Canopy Frame Stiffener and New Oil Cooler Mounting Parts to Eagle II 920 Cowling Kit03/11/1983
en Change of Canopy Aft Hinge Attachment in Eagle II 904 and 915 Construction Kits03/14/1983
en Delivery of 911-FD Fuel Display Kit 03/21/1983
en Change of Fuel Sight Gage Material in Eagle II 909 Fuel System Construction Kit03/22/1983
en Revision of Fuselage and Canopy Aft Hinge Modification Procedure in Product Letter 00029504/05/1983
en Continuing Delay in Delivery of 911-FD Fuel Display Kit05/02/1983
en Addition of Hydraulic Snubber to 915 Canopy Kit 05/04/1983
en Relocation of Fuel Filler Port 05/10/1983
en New Digital Chronometer System Available 05/10/1983
en Installation of Fairings and Gap Seals 05/12/1983
en Horizontal Stabilizer Incidence 05/12/1983
en Carbon Monoxide Detection 05/17/1983
en New High-Performance Battery 05/16/1983
en Tire Filler Access05/24/1983
en Inspection of Landing Gear Support Structure on Fuselage 06/03/1983
en Tensioning of Drag and Anti-Drag Tierods in Upper and Lower Wings06/04/1983
en Installation of Wing Leading Edges06/04/1983
en Installation of Anti-Chafe and Anti-Vibration Tape on Propeller Hub 06/04/1983
en Change of Finish on Socket Head Cap Screws 06/09/1983
en Procedure Added to Fuel Tank Filler Mod Described in Earlier Product Letter 0030606/25/1983
en Leaking Fuel Tank Filler Caps 08/25/1983
en Propeller Flange Failures on Lycoming Engines and Lycoming Service Bulletin 465 Issued on 08/26/8309/19/1983
en Cockpit Heater System Available 10/21/1983
en Recent Avco/Lycoming Service Bulletin 465 Concerning Crankshaft Propeller Flanges11/03/1983
en Access Doors Available 12/28/1983
en Installation of Inspection Rings in Fabric of Upper and Lower Wings 12/30/1983
en New Type Braces for Ailerons02/02/1994
en Lycoming Service Bulletins 465 and 465A Concerning Crankshaft Propeller Flanges02/08/1984
en Exhaust Snubber Kit Available 02/08/1984
en Oil Leakage from 915 Canopy Snubbers03/05/1984
en Aileron Braces Omitted from Eagle II 901 Ailerons Kit07/23/1984
en Modification of Landing Gear Strut Mounting11/20/1984
en Centerline Marks on 30510-001 Spar Spice Fixture Use in Construction12/04/1984
en Addition of Rubber Friction Rings to Vent Valves 12/04/1984
en Baffle Reinforcements Added to Eagle II 918 Engine Equipment Kit12/05/1984
en Fuel Quantity Sight Tube. Flop Tube Assembly09/30/1993
en Control Stick Hand Grips, P/N 30942-50109/30/1993
en New Extruded Fiber Washer will Replace Original Insulator on Mike Jacks09/20/1995
en Optional Concorde RG-25 Battery Installation03/15/1996
en Fuel Flap Tube Hose Assembly06/26/2008
Service Bulletins: Husky
NameRevisionLangSubjectDate
en Tail Brace Strut Replacement04/01/1989
en Front Seat Back Reinforcement07/25/1990
en Aircraft/Engine Vibration Levels10/15/1990
en Control Cable Problems10/10/1990
en Amber-Red Warning Lights10/20/1990
en Water in Airspeed System10/15/1990
en Ignition/Starter Switch12/01/1990
en Engine Carburetor Air Intake Box01/25/1991
en Engine Carburetor Air Intake Box06/17/1991
en Fuel Quantity Sight Tubes (P/N: 35266-002)09/30/1993
en Elevator Horn01/10/1995
en Cracks in Conical Engine Mount (Old Style)08/20/1997
en Kit No. A-1-538 Stabilizer Strut Retrofit for A-1 Increased Gross Weight to 1890 lb.01/03/2002
en Mandatory A-1: Gross Weight Operating Parameters04/02/1999
A en Mandatory A-1, A-1A & A-1B; Fluidyne C-2200 Retractable Ski Installation and Operation12/14/1999
en Aft Stowage Compartment04/19/2000
en A-1; Trim Control System Adjustment05/28/1999
en A-1, A-1A & A-1B; Changing Fuel Valve from Imperial 104 HD to Apollo 76-10108/08/2000
en Wheel Brake Mounting Bracket Weld05/18/2007
en Flap Cable Link11/12/2007
en Problem with Precision Airmotive RSA-5 or RSA-10 Series Fuel Injector Servos03/13/2008
en Alternator Possibly has a Shroud that Needs to be Removed03/27/2008
en Drain Valve Assembly Installation09/05/2008
A en Mandatory Inspection and Recommended Replacement of Engine Intake Box and Control Cable01/17/2010
A en Threaded Tie Rod01/17/2010
A en ELT AK-451-( ) Series Remote Battery01/17/2010
en Stabilizer Support Tube Inspection and Repair11/25/2013
A en Stabilizer Support Tube Inspection and Repair04/02/2015
en United Instruments 5934 Series Altimeters10/29/2013
en Mandatory Engine Cowl Hinge Pins - Staking Inspection & Repair07/31/2014
en Longeron Chafing11/02/2015
en Mandatory United Instruments 5934 Series Altimeters04/28/2016
en Mandatory Rapco RA1798-00-1 Fuel Vent Check Valve11/11/2016
B en Stabilizer Support Assembly08/28/2020
C en Stabilizer Support Assembly09/25/2020
en Mandatory Engine Exhaust Muffler Inspection02/18/2022
en Mandatory Fuselage Tube Inspection12/08/2021
en Mandatory Garmin Autopilot05/12/2023
Service Bulletins: Pitts
NameRevisionLangSubjectDate
en Adds Second Oil Cooler
en Freezing of Engine Breather12/27/1971
en Concerns Propeller Blade Failure04/03/1972
en Mandatory Upper Aileron Hinge Bracket05/01/1972
en Aileron Interconnect Tube05/29/1972
en Mandatory Horizontal Stabilizer Support Tube08/07/1972
en Mandatory Adds Strut to Stab. L.E.03/12/1973
en Upper Wing L.E. Ribs05/13/1974
en Mandatory Rudder Cable Plate05/16/1975
en Mandatory Streamline Tubing Trailing Edge Cracks12/31/1975
en Fiberglass Battery Box02/10/1977
B en Gel/Cell Battery Installation06/01/1977
en Aileron Stop Bolt06/25/1978
en Front Horizontal Stabilizer Support Tube05/15/1980
en Elevator Control Stick08/25/1984
en Oil Cooler Installation10/01/1985
en Stick Grips 07/08/1986
en 1) Wing Fabric; 2) Rib Stitching01/31/1992
en Oil Breather Line03/31/1992
en Ammeter Function03/31/1993
en Manifold Absolute Pressure Line Re-Route03/31/1993
en Fuel Flop Tube Hose Assembly & Fuel Sight Gauge Tube01/31/1994
revised en Fuel Flop Tube Hose Assembly & Fuel Sight Gauge Tube02/29/1996
en Mandatory Control Stick03/29/1996
en Mandatory Fuselage Upper Longerons02/08/1996
revised en Mandatory Fuselage Upper Longerons11/22/1996
revised en Mandatory Fuselage Upper Longerons03/20/1996
en Mandatory Rear Lower Fuselage Wing Fittings04/03/1996
revised en Mandatory Rear Lower Fuselage Wing Fittings02/11/2005
revised en Mandatory Rear Lower Fuselage Wing Fittings11/11/1997
revised en Mandatory Rear Lower Fuselage Wing Fittings11/12/1996
en Throttle and Cowl Flap Control Cables08/20/1997
en Lang Tailwheel Assembly Usage11/17/1998
en Mandatory Elevator Forward Control Rod Replacement02/07/2000
en Changing Fuel Valves from Imperial 104HD to Apollo 76-10108/25/2000
en Propeller Accumulator12/18/2000
en Aileron Cove Fabric Retention Strips04/16/2001
en Problem with Precision Airmotive RSA-5 or RSA-10 Series Fuel Injector Servos03/13/2008
en Fuel Flop Tube Hose Assembly06/23/2008
en Mounting Kit for Composite Spinner09/16/2010
en Rudder Cable Assemblies07/23/2015
Service Letters: Husky
NameRevisionLangSubjectDate
en Flap Hardware Inspection03/21/2002
en Horizontal Stabilizer Threaded Terminal Replacement09/24/2003
en Kits Available for A-1B Increased Gross Weight to 2200Lbs. with Additional Propellers02/07/2008
B en Kits Available for A-1B Increased Gross Weight to 2200Lbs. with Additional Propellers06/11/2008
en Notice of Allowable Flight with Upper and Lower Doors Open02/13/2012
Service Letters: Pitts
NameRevisionLangSubjectDate
en Brake Hydraulic Line Leakage05/23/1972
en Reinforcement of Flapper Door of Alternate Air Heat Box Assembly06/26/1973
en Inspection of Upper Wing Front Spar to Cabane Fitting, P/N 1-410-1212/06/1973
en Upper Wing Spar to Cabane Fitting12/22/1973
en Brake Hydraulic Line Clearance05/01/1975
en Upper Aileron to Hinge Bracket
B en Control Tube Assembly (Cracks)05/01/1975
en Brake Hydraulic Line Clearance05/01/1975
en Vapor Lock IO-360-A1A06/03/1975
en Elevator Horns (Cracks)12/11/1975
en Elevator Trip Tab Travel12/29/1975
en Brake Line Inspection02/28/1993
en S-2A & S-2B Shoulder Harness - Optional Installation02/26/2002
en Kit Available for S-2B & S-2C Smoke System07/11/2008