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 Procedure5/9/1997
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 Flange1/29/1980
en Incorrect Parts in 920 Cowling Kit and Requirement for Replacement1/25/1980
en New Procedure for Checking Contents of Eagle Kits1/28/1980
en 50592-001 Gasket Added to 918 Engine Equipment Kit1/29/1980
en Addition of a Second 31182-001 Angle Bracket with Attaching Hardware1/29/1980
en 920 Hardware Items Packaging1/28/1980
en Modification of Fuselage Former to Ensure Adequate Clearance for Movement of Elevator Idler Pushrod1/31/1980
en Added Large Area Washer and Changed Bolt Length2/8/1980
en Hinge Spacer and Washer Spacers Added2/13/1980
en Incorrect Parts in 920 Cowling Kit and Requirement for Replacement1/25/1980
en Hinge Spacer and Washer Spacers Added2/15/1980
en 31000-001 Splice Plate Added to Recontour Aft Portion of Turtleneck Cover2/27/1980
en Modify 31019-001 Spring to Eliminate Interference with Airbox2/27/1980
en P/N Correction in Manual Step D-83/3/1980
en Inspection of Welded Pushrod Assemblies3/13/1980
en Correction of Stabilizer Incidence Angle in Manual3/13/1980
en Repositioning of Air Vents for Best Appearance in Both No. 1 and No. 2 Eagle Paint Designs3/21/1980
en Shipment of Air Vent Components which have Delayed on Back-Order for Eagle II 914 Kits3/25/1980
en Revised Product Brochures and New Price List for Eagle II Kits4/12/1980
en Changes in Eagle II 912 NAVCOM Kit4/13/1980
en Delivery of Eagle II 915 Canopy Kits and Field Installations by Christen Personnel4/27/1980
en Replacement of Filament Tape in Eagle II 923 Covering and Prefinish Kits4/27/1980
en Packaging Error in 923 Series Covering and Prefinish Kits4/28/1980
en Inspection of Eagle II 904 Fuselage Structure for Presence of Tubular Elements4/29/1980
en Inspection of Paint Coating on Early 904 Fuselage Structures for Presence of Rust4/29/1980
en Product Manual Parts List for Eagle II 923 Covering and Prefinish Kit5/3/1980
en Repositioning of Nutplate Tabs at Station 31 or 904 Fuselage Structure5/27/1980
en Partial Assembly of 915 Canopy Kit in Preparation for Field Installation of Kit by Christen Personnel5/14/1980
en Manual Error in Step A-25. Revised Procedure for Attachment of Airscoops and Vent Covers6/3/1980
en Relocation of Canopy Lock Panels and Hardware from 915 Canopy Kit to 908 Cockpit Equipment Kit6/13/1980
en Addition of Ventilation Air Outlets6/13/1980
en 31337-001 Electrical Panel Placard Incorrectly Identifies Left and Right Magneto Position7/9/1980
en 30344-001 Transfer Marking Stud7/11/1980
en Revised Hardware for Attaching Pushrods in Manual Steps A-5 and B-87/11/1980
en Extra 50262-001 Inspection Rings for Optional Inspection Holes7/11/1980
en Extra 50261-001 Inspection Rings for Optional Inspection Holes7/23/1980
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 Arm11/4/1980
en Illustration Missing from Page J-26A of 903 Manual Revision 13 Pages11/4/1980
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 Kit1/12/1981
en Incorrect Bolt in 905 Kit1/27/1981
en Incorrect Bolt in 907 Kit1/27/1981
en Canopy Guide Bushings Moved from 915 Canopy Kit to 907 Fuselage Equipment Kit1/28/1981
en Inspection Plates Supplied in 923 Kit1/27/1981
en Trimtab Horn on Early Fiberglass and Aluminum Trimtab Assemblies2/13/1981
en Revised Inspection Plate for Aileron Pushrod Cover2/13/1981
en Typographical Errors in Eagle II Interim Weight and Balance Data2/3/1981
en List of Eagle Construction Tool Requirements2/8/1981
en Mechanical Fastening of Edo-Aire Radio Sets2/16/1981
en Interim Weight and Balance Data for Eagle II2/20/1981
en Product Manuals for Eagle II 914 Canopy Kits3/7/1981
en Interim Weight and Balance Data 3/19/1981
en Oil Cooler Port Fittings for Lycoming Engines4/6/1981
en Interim Weight and Balance Data 4/10/1981
en Interim Flight Manual Data for Eagle II 4/14/1981
en Possibility of Incorrect Parts in 915 Canopy Kit4/22/1981
en Fitting of Wing Tip Bows in 902 and 903 Wing Kits4/23/1981
en Interim Weight and Balance Data and Flight Manual Data5/11/1981
en Locking Lug for Edo-Aire Radios in 912 NAVCOM Kits5/26/1981
en Rudder Cables Omitted from 908 Cockpit Equipment Kit5/27/1981
en Design Modifications of Eagle II by Homebuilders6/15/1981
en Redesigned Alternate Air Door 6/15/1981
en Tapered Washers for Mounting Interplane Struts 6/15/1981
en Interim Weight and Balance Data and Flight Manual Data for Eagle II 6/19/1981
en New Part, 30389-001 ELT Locking Clip Added to Kit8/4/1981
en Interim Weight and Balance Data and Flight Manual Data for Eagle II9/9/1981
en Incorrect Nutplate Packaging in 915-H4 Hardware Kit9/22/1981
en 31223-501 Rear Hinge Assembly Inspection12/14/1981
en 31227-501 Canopy Brace Inspection10/8/1981
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 Switch1/8/1982
en New Hardware for Attachment of Rudder Cable Clevises to Rudder Horns2/15/1982
en Inspection of Wing Tierod Blocks2/16/1982
en Clarification of Wood Grain Description in Previous Product Letter 000252 Dated 02/16/822/27/1982
en Incorrect Clevis Bolts Supplied with Previous Product Letter 002513/2/1982
en Proper Installation of Engine-Attach Bolts and Possible Requirement for Bolt Inspection3/5/1982
en Incorrect P/N Marking of Control Sticks5/4/1982
en New Type Anti-Chaffing Material for Eagle II Canopy Skirt7/14/1982
en Landing Gear Fairings Redesigned to Simplify Installation7/14/1982
en New Eagle II Battery Clamp Adapter to Prevent Possible Electrical Short7/14/1982
en Cracks in Exhaust Manifold Assemblies 7/26/1982
en New Style Flying Wire Javelins 7/27/1982
en Luggage and Tiedown Storage Kit9/15/1982
en Stainless Steel Hardware Addition to Eagle II 918 Kit for Exhaust Manifold Slip-Joints9/15/1982
en Retention of Edo-Aire Radios9/15/1982
en New Digital Fuel Quantity and Fuel Flow Display System 9/16/1982
en Addition of Canopy Roller Assembly to Eagle II 915 Canopy Kit2/21/1983
en Bendix Magneto Service Bulletin 623 which may Apply to Lycoming Engines Used in Eagle II 2/21/1983
en Addition of Canopy Frame Stiffener and New Oil Cooler Mounting Parts to Eagle II 920 Cowling Kit3/11/1983
en Change of Canopy Aft Hinge Attachment in Eagle II 904 and 915 Construction Kits3/14/1983
en Delivery of 911-FD Fuel Display Kit 3/21/1983
en Change of Fuel Sight Gage Material in Eagle II 909 Fuel System Construction Kit3/22/1983
en Revision of Fuselage and Canopy Aft Hinge Modification Procedure in Product Letter 0002954/5/1983
en Continuing Delay in Delivery of 911-FD Fuel Display Kit5/2/1983
en Addition of Hydraulic Snubber to 915 Canopy Kit 5/4/1983
en Relocation of Fuel Filler Port 5/10/1983
en New Digital Chronometer System Available 5/10/1983
en Installation of Fairings and Gap Seals 5/12/1983
en Horizontal Stabilizer Incidence 5/12/1983
en Carbon Monoxide Detection 5/17/1983
en New High-Performance Battery 5/16/1983
en Tire Filler Access5/24/1983
en Inspection of Landing Gear Support Structure on Fuselage 6/3/1983
en Tensioning of Drag and Anti-Drag Tierods in Upper and Lower Wings6/4/1983
en Installation of Wing Leading Edges6/4/1983
en Installation of Anti-Chafe and Anti-Vibration Tape on Propeller Hub 6/4/1983
en Change of Finish on Socket Head Cap Screws 6/9/1983
en Procedure Added to Fuel Tank Filler Mod Described in Earlier Product Letter 003066/25/1983
en Leaking Fuel Tank Filler Caps 8/25/1983
en Propeller Flange Failures on Lycoming Engines and Lycoming Service Bulletin 465 Issued on 08/26/839/19/1983
en Cockpit Heater System Available 10/21/1983
en Recent Avco/Lycoming Service Bulletin 465 Concerning Crankshaft Propeller Flanges11/3/1983
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 Ailerons2/2/1994
en Lycoming Service Bulletins 465 and 465A Concerning Crankshaft Propeller Flanges2/8/1984
en Exhaust Snubber Kit Available 2/8/1984
en Oil Leakage from 915 Canopy Snubbers3/5/1984
en Aileron Braces Omitted from Eagle II 901 Ailerons Kit7/23/1984
en Modification of Landing Gear Strut Mounting11/20/1984
en Centerline Marks on 30510-001 Spar Spice Fixture Use in Construction12/4/1984
en Addition of Rubber Friction Rings to Vent Valves 12/4/1984
en Baffle Reinforcements Added to Eagle II 918 Engine Equipment Kit12/5/1984
en Fuel Quantity Sight Tube. Flop Tube Assembly9/30/1993
en Control Stick Hand Grips, P/N 30942-5019/30/1993
en New Extruded Fiber Washer will Replace Original Insulator on Mike Jacks9/20/1995
en Optional Concorde RG-25 Battery Installation3/15/1996
en Fuel Flap Tube Hose Assembly6/26/2008
Service Bulletins: Husky
NameRevisionLangSubjectDate
en Tail Brace Strut Replacement4/1/1989
en Front Seat Back Reinforcement7/25/1990
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 Switch12/1/1990
en Engine Carburetor Air Intake Box1/25/1991
en Engine Carburetor Air Intake Box6/17/1991
en Fuel Quantity Sight Tubes (P/N: 35266-002)9/30/1993
en Elevator Horn1/10/1995
en Cracks in Conical Engine Mount (Old Style)8/20/1997
en Kit No. A-1-538 Stabilizer Strut Retrofit for A-1 Increased Gross Weight to 1890 lb.1/3/2002
en Mandatory A-1: Gross Weight Operating Parameters4/2/1999
A en Mandatory A-1, A-1A & A-1B; Fluidyne C-2200 Retractable Ski Installation and Operation12/14/1999
en Aft Stowage Compartment4/19/2000
en A-1; Trim Control System Adjustment5/28/1999
en A-1, A-1A & A-1B; Changing Fuel Valve from Imperial 104 HD to Apollo 76-1018/8/2000
en Wheel Brake Mounting Bracket Weld5/18/2007
en Flap Cable Link11/12/2007
en Problem with Precision Airmotive RSA-5 or RSA-10 Series Fuel Injector Servos3/13/2008
en Alternator Possibly has a Shroud that Needs to be Removed3/27/2008
en Drain Valve Assembly Installation9/5/2008
A en Mandatory Inspection and Recommended Replacement of Engine Intake Box and Control Cable1/17/2010
A en Threaded Tie Rod1/17/2010
A en ELT AK-451-( ) Series Remote Battery1/17/2010
en Stabilizer Support Tube Inspection and Repair11/25/2013
A en Stabilizer Support Tube Inspection and Repair4/2/2015
en United Instruments 5934 Series Altimeters10/29/2013
en Mandatory Engine Cowl Hinge Pins - Staking Inspection & Repair7/31/2014
en Longeron Chafing11/2/2015
en Mandatory United Instruments 5934 Series Altimeters4/28/2016
en Mandatory Rapco RA1798-00-1 Fuel Vent Check Valve11/11/2016
B en Stabilizer Support Assembly8/28/2020
C en Stabilizer Support Assembly9/25/2020
en Mandatory Engine Exhaust Muffler Inspection2/18/2022
en Mandatory Fuselage Tube Inspection12/8/2021
en Mandatory Garmin Autopilot5/12/2023
Service Bulletins: Pitts
NameRevisionLangSubjectDate
en Adds Second Oil Cooler
en Freezing of Engine Breather12/27/1971
en Concerns Propeller Blade Failure4/3/1972
en Mandatory Upper Aileron Hinge Bracket5/1/1972
en Aileron Interconnect Tube5/29/1972
en Mandatory Horizontal Stabilizer Support Tube8/7/1972
en Mandatory Adds Strut to Stab. L.E.3/12/1973
en Upper Wing L.E. Ribs5/13/1974
en Mandatory Rudder Cable Plate5/16/1975
en Mandatory Streamline Tubing Trailing Edge Cracks12/31/1975
en Fiberglass Battery Box2/10/1977
B en Gel/Cell Battery Installation6/1/1977
en Aileron Stop Bolt6/25/1978
en Front Horizontal Stabilizer Support Tube5/15/1980
en Elevator Control Stick8/25/1984
en Oil Cooler Installation10/1/1985
en Stick Grips 7/8/1986
en 1) Wing Fabric; 2) Rib Stitching1/31/1992
en Oil Breather Line3/31/1992
en Ammeter Function3/31/1993
en Manifold Absolute Pressure Line Re-Route3/31/1993
en Fuel Flop Tube Hose Assembly & Fuel Sight Gauge Tube1/31/1994
revised en Fuel Flop Tube Hose Assembly & Fuel Sight Gauge Tube2/29/1996
en Mandatory Control Stick3/29/1996
en Mandatory Fuselage Upper Longerons2/8/1996
revised en Mandatory Fuselage Upper Longerons11/22/1996
revised en Mandatory Fuselage Upper Longerons3/20/1996
en Mandatory Rear Lower Fuselage Wing Fittings4/3/1996
revised en Mandatory Rear Lower Fuselage Wing Fittings2/11/2005
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 Cables8/20/1997
en Lang Tailwheel Assembly Usage11/17/1998
en Mandatory Elevator Forward Control Rod Replacement2/7/2000
en Changing Fuel Valves from Imperial 104HD to Apollo 76-1018/25/2000
en Propeller Accumulator12/18/2000
en Aileron Cove Fabric Retention Strips4/16/2001
en Problem with Precision Airmotive RSA-5 or RSA-10 Series Fuel Injector Servos3/13/2008
en Fuel Flop Tube Hose Assembly6/23/2008
en Mounting Kit for Composite Spinner9/16/2010
en Rudder Cable Assemblies7/23/2015
Service Letters: Husky
NameRevisionLangSubjectDate
en Flap Hardware Inspection3/21/2002
en Horizontal Stabilizer Threaded Terminal Replacement9/24/2003
en Kits Available for A-1B Increased Gross Weight to 2200Lbs. with Additional Propellers2/7/2008
B en Kits Available for A-1B Increased Gross Weight to 2200Lbs. with Additional Propellers6/11/2008
en Notice of Allowable Flight with Upper and Lower Doors Open2/13/2012
Service Letters: Pitts
NameRevisionLangSubjectDate
en Brake Hydraulic Line Leakage5/23/1972
en Reinforcement of Flapper Door of Alternate Air Heat Box Assembly6/26/1973
en Inspection of Upper Wing Front Spar to Cabane Fitting, P/N 1-410-1212/6/1973
en Upper Wing Spar to Cabane Fitting12/22/1973
en Brake Hydraulic Line Clearance5/1/1975
en Upper Aileron to Hinge Bracket
B en Control Tube Assembly (Cracks)5/1/1975
en Brake Hydraulic Line Clearance5/1/1975
en Vapor Lock IO-360-A1A6/3/1975
en Elevator Horns (Cracks)12/11/1975
en Elevator Trip Tab Travel12/29/1975
en Brake Line Inspection2/28/1993
en S-2A & S-2B Shoulder Harness - Optional Installation2/26/2002
en Kit Available for S-2B & S-2C Smoke System7/11/2008