# N8911F: Hughes 269A - Status: Valid registration - Airframe: [Hughes 269A](https://openairdocs.org/model/hughes-269a) (registry code 4470402, 2 seats) - Engine: [Lycoming HO-360 series](https://openairdocs.org/engine/lycoming-ho-360-series) (registry code 41513) - Data sheets: [TCDS 4H12](https://openairdocs.org/tcds/4H12) (Schweizer RSG LLC), [TCDS E-286](https://openairdocs.org/tcds/E-286) (Lycoming Engines) (OpenAirDocs) - Serial number: 0230 - Type: Rotorcraft - Engine type: Reciprocating - Airworthiness: Standard, normal - Airworthiness date: December 17, 1963 - Certificate issued: March 16, 2023 - Expires: March 31, 2030 - Mode S code: AC4B8C - Registered owner: [A And J Aviation Services LLC](https://openairdocs.org/faa-owner/A%20AND%20J%20AVIATION%20SERVICES%20LLC) - Location: [Titusville, FL](https://openairdocs.org/faa-place/FL/Titusville) - Owner type: LLC - Owner's area on the map: 28.5282° N, 80.7798° W: Placed by OpenAirDocs at the center of ZIP code 32780, within about 5 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=8911F - Page: https://openairdocs.org/aircraft/N8911F From the FAA registry file of October 24, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination. The registry lists only the engine series, so ADs for every Lycoming HO-360 model are included. ## ADs that may apply (OpenAirDocs): 61 in force ### Matched by airframe (Hughes 269A) - [AD 2023-11-07](https://openairdocs.org/ad/2023-11-07): Ground Proximity System · Airbus Helicopters 47, 206, 210 and 237 more. Effective Jun 22, 2023 - [AD 2017-14-06](https://openairdocs.org/ad/2017-14-06): Main Rotor Drive System · Sikorsky 269A, 269A-1, 269B and 3 more. Effective Aug 25, 2017 - [AD 2015-23-01](https://openairdocs.org/ad/2015-23-01): Tail Rotor Drive · Sikorsky 269A, 269A-1, 269B and 3 more. Effective Dec 15, 2015 - [AD 2011-12-16](https://openairdocs.org/ad/2011-12-16): Rotorcraft Tailboom · Schweizer 269A, 269A-1, 269B and 2 more. Effective Jul 21, 2011 - [AD 2006-12-07](https://openairdocs.org/ad/2006-12-07): ECi cylinder assemblies · Aerostar AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 386 more. Effective Jul 11, 2006 - [AD 2003-13-15 R1](https://openairdocs.org/ad/2003-13-15-R1): Aft cluster fittings · Schweizer 269A, 269A-1, 269B and 1 more. Effective Aug 10, 2004 - [AD 2000-16-05](https://openairdocs.org/ad/2000-16-05): Tail Rotor Swashplate Shaft · Schweizer 269A, 269A-1, 269B and 3 more. Effective Sep 19, 2000 - [AD 98-18-11](https://openairdocs.org/ad/98-18-11): Main Rotor Blade · Schweizer 269A, 269A-1, 269B and 2 more. Effective Oct 7, 1998 - [AD 97-23-06](https://openairdocs.org/ad/97-23-06): Ring Gear Teeth Inspection · Schweizer 269A, 269A-1, 269B and 1 more. Effective Dec 10, 1997 - [AD 97-05-06](https://openairdocs.org/ad/97-05-06): Main Rotor Thrust Bearing · Schweizer 269A, 269A-1 and 269B. Effective Apr 7, 1997 - [AD 95-21-02](https://openairdocs.org/ad/95-21-02): Main Rotor Drive Shaft · Schweizer 269A, 269A-1, 269B and 1 more. Effective Nov 17, 1995 - [AD 95-03-12](https://openairdocs.org/ad/95-03-12): Clutch Control Spring Assembly · Schweizer 269A, 269A-1, 269B and 1 more. Effective Mar 1, 1995 - [AD 94-16-04](https://openairdocs.org/ad/94-16-04): Tail Rotor Pedal support Structure · Schweizer 269A, 269A-1, 269B and 1 more. Effective Oct 5, 1994 - [AD 94-12-06](https://openairdocs.org/ad/94-12-06): Lower Pulley Bearings · Schweizer 269A, 269A-1, 269B and 1 more. Effective Sep 19, 1994 - [AD 94-13-04](https://openairdocs.org/ad/94-13-04): Clutch Control Spring Assembly · Schweizer 269A, 269A-1, 269B and 1 more. Effective Sep 1, 1994 - [AD 93-21-03](https://openairdocs.org/ad/93-21-03): Magnesium Tailboom Fitting · Schweizer 269A, 269A-1 and 269B. Effective Dec 17, 1993 - [AD 93-05-11](https://openairdocs.org/ad/93-05-11): Fuel Pump Drain Tube Assembly · Schweizer 269A, 269A-1, 269B and 1 more. Effective May 25, 1993 - [AD 89-20-03 R1](https://openairdocs.org/ad/89-20-03-R1): Tail Rotor Blades · Schweizer 269A, 269A-1, 269B and 1 more. Effective Feb 22, 1991 - [AD 90-06-10](https://openairdocs.org/ad/90-06-10): Throttle Cable Assembly · Schweizer 269A, 269A-1, 269B and 1 more. Effective Apr 6, 1990 - [AD 88-17-04](https://openairdocs.org/ad/88-17-04): Aft Cluster Fittings · Schweizer 269A, 269A-1, 269B and 1 more. Effective Aug 19, 1988 - [AD 82-15-01 R1](https://openairdocs.org/ad/82-15-01-R1): Main Transmission · Schweizer 269A, 269A-1, 269B and 1 more. Effective Oct 4, 1982 - [AD 82-15-03](https://openairdocs.org/ad/82-15-03): Rotor System · Schweizer 269A, 269A-1, 269B and 1 more. Effective Jul 16, 1982 - [AD 81-17-01](https://openairdocs.org/ad/81-17-01): Starting Vibrator Assemblies · Bendix Starting Vibrator Assemblies, B-2, B-2A and 49 more. Effective Aug 13, 1981 - [AD 79-23-03 R1](https://openairdocs.org/ad/79-23-03-R1): Tail Rotor Blades · Schweizer 269A, 269A-1, 269B and 1 more. Effective Nov 19, 1979 - [AD 78-26-04](https://openairdocs.org/ad/78-26-04): Tail Rotor Hub Assembly · Schweizer 269A, 269A-1, 269B and 6 more. Effective Dec 27, 1978 - [AD 78-25-04](https://openairdocs.org/ad/78-25-04): Pinion Assemblies · Schweizer 269A, 269A-1, 269B and 1 more. Effective Dec 18, 1978 - [AD 78-02-02](https://openairdocs.org/ad/78-02-02): Tail Rotor Control Pedals · Schweizer 269A, 269A-1, 269B and 1 more. Effective Jan 24, 1978 - [AD 77-23-08](https://openairdocs.org/ad/77-23-08): Cracks in Main Rotor Blades · Schweizer 269A, 269A-1 and 269B. Effective Dec 27, 1977 - [AD 77-07-01](https://openairdocs.org/ad/77-07-01): Clutch Actuator · Schweizer 269A, 269A-1, 269B and 1 more. Effective Apr 4, 1977 - [AD 76-10-02](https://openairdocs.org/ad/76-10-02): Lateral control · Schweizer 269A, 269A-1, 269B and 1 more. Effective May 21, 1976 - [AD 75-15-02](https://openairdocs.org/ad/75-15-02): Throttle and Engine Power Control · Schweizer 269A, 269A-1 and 269B. Effective Jul 15, 1975 - [AD 74-21-04](https://openairdocs.org/ad/74-21-04): Canopy Slats · Schweizer 269A, 269A-1, 269B and 1 more. Effective Apr 4, 1975 - [AD 75-08-12](https://openairdocs.org/ad/75-08-12): Actuator and Cover · Schweizer 269A, 269A-1, 269B and 1 more. Effective Mar 7, 1975 - [AD 71-20-05](https://openairdocs.org/ad/71-20-05): Idler Pulley Bearings · Schweizer 269A, 269A-1 and 269B. Effective Dec 18, 1971 - [AD 70-08-01](https://openairdocs.org/ad/70-08-01): Flapping Hinge Bolts · Schweizer 269A, 269A-1 and 269B. Effective Apr 14, 1970 - [AD 70-01-06](https://openairdocs.org/ad/70-01-06): Lateral pitch idler bell crank · Schweizer 269A, 269A-1 and 269B. Effective Jan 17, 1970 - [AD 69-04-03](https://openairdocs.org/ad/69-04-03): Rotor Blade · Schweizer 269A, 269A-1 and 269B. Effective Mar 22, 1969 - [AD 68-26-01](https://openairdocs.org/ad/68-26-01): Lower Coupling Drive Shaft · Schweizer 269A, 269A-1 and 269B. Effective Dec 21, 1968 - [AD 64-28-02](https://openairdocs.org/ad/64-28-02): Main Rotor Blade Flapping Hinge Bearing · Schweizer 269A, 269A-1 and 269B. Effective Jul 6, 1968 - [AD 67-21-01](https://openairdocs.org/ad/67-21-01): Air Scoop · Schweizer 269A, 269A-1 and 269B. Effective Jul 3, 1967 - [AD 67-11-03](https://openairdocs.org/ad/67-11-03): Main Rotor Gear Drive · Schweizer 269A, 269A-1 and 269B. Effective Apr 7, 1967 - [AD 66-03-02](https://openairdocs.org/ad/66-03-02): Electrical System · Schweizer 269A, 269A-1 and 269B. Effective Jan 14, 1966 - [AD 64-06-04](https://openairdocs.org/ad/64-06-04): Lower Coupling Drive Shaft · Schweizer 269A, 269A-1 and 269B. Effective Mar 18, 1964 - [AD 62-14-03](https://openairdocs.org/ad/62-14-03): Tail Rotor Blade · Schweizer 269A. Effective Jun 26, 1962 - [AD 62-11-04](https://openairdocs.org/ad/62-11-04): Operating Limitations · Schweizer 269A. Effective May 15, 1962 - [AD 69-21-01](https://openairdocs.org/ad/69-21-01): Failure of Input Pinion Shaft · Schweizer 269A, 269A-1, 269B and 4 more - [AD 62-21-03](https://openairdocs.org/ad/62-21-03): Modification · Schweizer 269A ### Matched by engine (Lycoming HO-360 series) - [AD 2026-04-11](https://openairdocs.org/ad/2026-04-11): Engine (Reciprocating) · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 605 more. Effective Apr 8, 2026 - [AD 2017-16-11](https://openairdocs.org/ad/2017-16-11): Reciprocating Engine Power Section · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-360-B1G6 and 93 more. Effective Aug 15, 2017 - [AD 2012-03-07](https://openairdocs.org/ad/2012-03-07): Carburetor · Lycoming Engines GO-435, GO-435-C2 (O-435-17), GO-435-C2A and 389 more. Effective Mar 27, 2012 - [AD 2009-26-12](https://openairdocs.org/ad/2009-26-12): Cylinder assemblies · Engine Components Reciprocating Engine Cylinder Assemblies, AEIO-320-D1B, AEIO-320-D2B and 264 more. Effective Feb 4, 2010 - [AD 2009-02-03](https://openairdocs.org/ad/2009-02-03): Fuel injection servos · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 261 more. Effective Feb 9, 2009 - [AD 2006-10-21](https://openairdocs.org/ad/2006-10-21): ECi connecting rods · Engine Components Reciprocating Engine Connecting Rods, AEIO-360-B1B, AEIO-360-B1D and 171 more. Effective Jun 22, 2006 - [AD 2004-10-14](https://openairdocs.org/ad/2004-10-14): Crankshaft gear · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 642 more. Effective Jun 25, 2004 - [AD 97-15-11](https://openairdocs.org/ad/97-15-11): Cylinder kits · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 538 more. Effective Aug 12, 1997 - [AD 96-09-10](https://openairdocs.org/ad/96-09-10): Oil pump · Lycoming Engines AEIO-320-E1A, AEIO-320-E1B, AEIO-320-E2A and 334 more. Effective Jul 15, 1996 - [AD 95-07-01](https://openairdocs.org/ad/95-07-01): Connecting Rod Bolt · Lycoming Engines AEIO-360-A1E, AEIO-360-B1G6, AEIO-360-H1A and 177 more. Effective Apr 12, 1995 - [AD 92-12-05](https://openairdocs.org/ad/92-12-05): Piston Pins · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 532 more. Effective Jul 10, 1992 - [AD 90-04-06 R1](https://openairdocs.org/ad/90-04-06-R1): Propeller Governor External Oil Line · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 427 more. Effective May 28, 1991 - [AD 87-10-06 R1](https://openairdocs.org/ad/87-10-06-R1): Rocker Arm Assembly · Lycoming Engines IO-360-B4, IVO-360-A1A, O-340-A1A and 243 more. Effective Sep 1, 1989 - [AD 75-08-09](https://openairdocs.org/ad/75-08-09): Oil Pump Drive Shaft · Lycoming Engines AEIO-360-A1B, AEIO-360-A1B6, AEIO-360-A1C and 365 more. Effective Aug 18, 1977 ### Historical (superseded or no longer in force) - [AD 2021-23-13](https://openairdocs.org/ad/2021-23-13) (historical): Ground Proximity System · Airbus Helicopters K-225, K-190A, K-240 and 237 more. Effective Dec 9, 2021 - [AD 2011-01-52](https://openairdocs.org/ad/2011-01-52) (historical): Rotorcraft Tailboom · Schweizer 269A, 269A-1, 269B and 2 more - [AD 2003-13-15](https://openairdocs.org/ad/2003-13-15) (historical): Tailboom Support Strut or Lug on Cluster Fitting · Schweizer 269A, 269A-1, 269B and 1 more. Effective Aug 12, 2003 - [AD 2001-25-52](https://openairdocs.org/ad/2001-25-52) (historical): Strut Clevis Lug on Center Frame Aft Cluster Fitting · Schweizer 269A, 269A-1, 269B and 1 more. Effective May 8, 2002 - [AD 99-17-10](https://openairdocs.org/ad/99-17-10) (historical): Shaft · Schweizer 269A, 269A-1, 269B and 3 more. Effective Sep 2, 1999 - [AD 93-17-13](https://openairdocs.org/ad/93-17-13) (historical): Lower Coupling Drive Shaft · Schweizer 269A, 269A-1, 269B and 1 more. Effective Oct 20, 1993 - [AD 76-18-01](https://openairdocs.org/ad/76-18-01) (historical): Tail boom support strut · Schweizer 269A, 269A-1, 269B and 3 more. Effective Sep 7, 1976 - [AD 2024-21-02](https://openairdocs.org/ad/2024-21-02) (historical): Engine (Reciprocating) · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 548 more. Effective Dec 5, 2024 - [AD 2008-19-05](https://openairdocs.org/ad/2008-19-05) (historical): Parallel Valve'' reciprocating engines · Engine Components Reciprocating Engine Cylinder Assemblies, AEIO-320-D1B, AEIO-320-D2B and 262 more. Effective Oct 20, 2008 - [AD 2005-26-10](https://openairdocs.org/ad/2005-26-10) (historical): ECi cylinder assemblies. · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 413 more. Effective Jan 31, 2006 - [AD 81-18-04 R2](https://openairdocs.org/ad/81-18-04-R2) (historical): Engine Oil Pump Driven Impeller and Shaft · Textron Lycoming, AVCO AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 376 more. Effective Jun 7, 1982 ## Information bulletins (advisory) (4 in force) - [SAIB SW-09-44](https://openairdocs.org/saib/SW-09-44): Cabin door. Issued Jul 28, 2009 - [SAIB NE-19-08](https://openairdocs.org/saib/NE-19-08): Reciprocating Engine Cylinder Section - Lycoming Engines Parallel Valve Cylinders. Issued May 2, 2019 - [SAIB NE-14-13](https://openairdocs.org/saib/NE-14-13): Reciprocating Engine - Cylinder Mounting Studs. Issued Mar 24, 2014 - [SAIB NE-06-32R1](https://openairdocs.org/saib/NE-06-32R1): Reciprocating Engine - Crankshaft. Issued Sep 10, 2008 ## NTSB investigations (2) From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [NTSB ERA23LA146](https://openairdocs.org/ntsb/ERA23LA146), Mar 9, 2023: Hughes 269A (N8911F), Titusville, FL, substantial damage. Probable cause: The pilot’s failure to maintain adequate main rotor RPM during an autorotation which resulted in a hard landing and subsequent rotor blade strike of the tail boom. - [NTSB LAX65A0076](https://openairdocs.org/ntsb/LAX65A0076), Mar 30, 1965: Hughes 269A (N8911F), San Diego, CA, destroyed ## FAA accident and incident reports (2) From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [Accident 20230309001299A](https://openairdocs.org/incident/20230309001299A), Mar 9, 2023: Hughes 269A (N8911F), Titusville, FL, Substantial damage. On 03/09/2023 at 17:30 EST [privacy data omitted], a Hughes 269A with two souls onboard, was attempting a practice 180 auto rotation, six miles west of the… - [Incident 19980423022969I](https://openairdocs.org/incident/19980423022969I), Apr 23, 1998: Hughes 269A (N8911F), Helena, MT, Minor damage. On check ride engine lost power. Autorotated and landed hard. ## Service difficulty reports None filed for this aircraft. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. ## STCs that may be installed (OpenAirDocs) (121, first 50) Approved for this aircraft's airframe or engine model, in force first, then newest. The registry doesn't record which STCs an aircraft has; its records do. ### Approved for the airframe (Hughes 269A) - [STC SA800EA](https://openairdocs.org/stc/SA800EA): Installation of Whelen Anti-Collision, Position, or Anti-Collision/Position Light System, and applicable associated power supplies. Whelen Aerospace Technologies - [STC SR00006DE](https://openairdocs.org/stc/SR00006DE): Installation of Inframetics IRTV-445G infrared imaging system. Dart Aerospace Company - [STC SH2726NM](https://openairdocs.org/stc/SH2726NM): Installation of a cabin heater. Dart Aerospace USA Inc - [STC SH5248NM](https://openairdocs.org/stc/SH5248NM): Installation of external pod, camera mount, and 12 volt power provision. Dart Aerospace USA Inc - [STC SH4036NM](https://openairdocs.org/stc/SH4036NM): Installation of door actuators. Dart Aerospace USA Inc - [STC SR00038DE](https://openairdocs.org/stc/SR00038DE): Installation of supplemental lubrication kit for lower drive shaft. Dart Aerospace USA Inc - [STC SH3319NM](https://openairdocs.org/stc/SH3319NM): Installation of Precise Flight Pulselite Control Unit in the Landing /Taxi Recognition Visual Control Light system,. Precise Flight Inc - [STC SA11137SC](https://openairdocs.org/stc/SA11137SC): Installation of Plane-Power ALT-FLX alternator. Hartzell Engine Technologies, LLC - [STC SR01838AT](https://openairdocs.org/stc/SR01838AT): Installation of Cyclic Friction Release Levers. Thoroughbred Aviation Maintenance Inc. Lists 269 Series - [STC SR02704SE](https://openairdocs.org/stc/SR02704SE): Installation and maintenance of the Sunspot 36 and 46 series lights. AeroLED's Holdings LLC - [STC SH2334SO](https://openairdocs.org/stc/SH2334SO): Installation of a cabin heater/defroster. Schweizer RSG LLC - [STC SH7WE](https://openairdocs.org/stc/SH7WE): Fabrication of Precision Helicopters Model 4887 Cargo Rack System. Schweizer RSG LLC - [STC SH8WE](https://openairdocs.org/stc/SH8WE): Installation of Tote-All luggage/cargo carrier. NOTE: Hughes Lateral Trim Assembly 269/A9935-3 required with this installation. Schweizer RSG LLC - [STC SA615EA](https://openairdocs.org/stc/SA615EA): Installation of a Whelen Anti-Collision Strobe Light System as replacement for originally installed anti-collision lights. Whelen Aerospace Technologies - [STC SR00359BO](https://openairdocs.org/stc/SR00359BO): Installation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights. Whelen Aerospace Technologies - [STC SH444NE](https://openairdocs.org/stc/SH444NE): Installation of Whelen Strobe Lights. Schweizer RSG LLC - [STC SH586EA](https://openairdocs.org/stc/SH586EA): Installation of Hartzell Anti-Overspeed kits (D-3520-1 and D-3520-2). Schweizer RSG LLC - [STC SH1065NE](https://openairdocs.org/stc/SH1065NE): Installation of Airwolf Model AFC-500 full flow engine oil filter P/N AFC-500. Airwolf Filter Corporation - [STC SA2586NM](https://openairdocs.org/stc/SA2586NM): Installation of J.P. Instruments temperature monitoring systems. J P Instruments - [STC SR02487AK](https://openairdocs.org/stc/SR02487AK): Installation of L-3 Communications Avionics Systems ESI-500 Standby Instrument System. ADS-B Technologies, LLC - [STC SR01802WI](https://openairdocs.org/stc/SR01802WI): To allow the use of UL91 or UL94 (minimum) grade aviation fuel per ASTM D7547. Swift Fuels LLC - [STC SR02470AK](https://openairdocs.org/stc/SR02470AK): Installation of the L-3 Communications NGT -1000/2000/2500 ADS-B System. ADS-B Technologies, LLC - [STC SR02471AK](https://openairdocs.org/stc/SR02471AK): Installation of the L-3 Communications NGT -9000/9000R ADS-B System. ADS-B Technologies, LLC - [STC SR02394AK](https://openairdocs.org/stc/SR02394AK): Replacement of existing landing and/or hover light bulbs with Light Emitting Diode (LED) lighting system. Seaplanes North LLC - [STC SH1839NM](https://openairdocs.org/stc/SH1839NM): Installation of Skytronics, Part No. 7150T-300-1 Alternators. Hartzell Engine Technologies, LLC - [STC SA00432SE](https://openairdocs.org/stc/SA00432SE): Installation of EGT 701 series fuel flow instrument. J P Instruments - [STC SA00861SE](https://openairdocs.org/stc/SA00861SE): Installation of J.P. Instruments (JPI) fuel flow indicating system. J P Instruments - [STC SH249WE](https://openairdocs.org/stc/SH249WE): Installation of a searchlight kit. Allen J Gerbino, Gerbino Flight Systems - [STC SH258WE](https://openairdocs.org/stc/SH258WE): Installation of MCT-10 mounting rack. Allen J Gerbino, Gerbino Flight Systems - [STC SH259WE](https://openairdocs.org/stc/SH259WE): Installation of utility compartment. Allen J Gerbino, Gerbino Flight Systems - [STC SH152WE](https://openairdocs.org/stc/SH152WE): Installation of Hoskins Model 700801 Anti-collision light system. BF Goodrich Aerospace - [STC SH152AWE](https://openairdocs.org/stc/SH152AWE): Installation of Hoskins Model 700801 Anti-collision light system in accordance with Hoskins Drawing No. 10-201969, Rev D. Dated August 14, 1972. BF Goodrich Aerospace - [STC SH1018CE](https://openairdocs.org/stc/SH1018CE): Install landing gear damper piston. Kinzie Industries Inc - [STC SH1047CE](https://openairdocs.org/stc/SH1047CE): Install modified landing gear damper. Kinzie Industries Inc - [STC SH868SW](https://openairdocs.org/stc/SH868SW): Installation of Lycoming H10-360-A1A engine and related modifications. Kinzie Industries Inc - [STC SA2693NM](https://openairdocs.org/stc/SA2693NM): Installation of Electronics International digital volt/amp gauges and accessories. Electronics International Inc - [STC SA4172NM](https://openairdocs.org/stc/SA4172NM): Installation of Aviation Development oil filter. Aviation Development Corporation - [STC SA563CH](https://openairdocs.org/stc/SA563CH): Authorizes installation of engines equipped w/Unison Limited Authority Spark Advance Regulator (LASAR) ignition system w/Cylinder Head Temp. (CHT) monitoring capability on airframes. engines. Champion Aerospace LLC - [STC SA593CH](https://openairdocs.org/stc/SA593CH): Install Champion SlickSTART magneto booster system. Champion Aerospace LLC - [STC SA02033AT](https://openairdocs.org/stc/SA02033AT): Modification to install an air-oil separator to prevent oil from being aspirated from the engine breather line. M-20 Oil Separators LLC - [STC SA4005NM](https://openairdocs.org/stc/SA4005NM): Precise Flight Inc. Pulselite Control System. Precise Flight Inc - [STC SA00402SE](https://openairdocs.org/stc/SA00402SE): Installation of a remote spin-on oil filter adapter. (GC-1B w/Lycoming or Cont 360 engine installed). Aviation Development Corporation - [STC SA00680SE](https://openairdocs.org/stc/SA00680SE): Installation of Electronics International model UBG-16 or UBG-16T bar graph engine analyzer. Electronics International - [STC SR01430LA](https://openairdocs.org/stc/SR01430LA): Installation of Stainless Steel Skid shoes. Papas Gary Los Angeles Laboratories Inc - [STC SA02520AT](https://openairdocs.org/stc/SA02520AT): Installation of M-20 Oil Separator, model 600-WP. M-20 Oil Separators LLC - [STC SA2687NM](https://openairdocs.org/stc/SA2687NM): Installation of Truboplus/ Electronics Int'l gauges and switches. Aero Manufacturing Inc - [STC SH12CE](https://openairdocs.org/stc/SH12CE): Replace existing engine induction air filter with AC Spark Plug Filter. Brackett Aero Filters Inc - [STC SH5857SW](https://openairdocs.org/stc/SH5857SW): Installation of remote engine oil filler. Kinzie Industries Inc - [STC SA00061LA](https://openairdocs.org/stc/SA00061LA): Installation of JPI digital tachometer. J P Instruments - [STC SR00138LA](https://openairdocs.org/stc/SR00138LA): Installation of ground handling wheels carrier, P/N 300-08-00 on existing skid tubes. Brackett Aero Filters Inc All 121: https://openairdocs.org/aircraft/N8911F/stcs.md ## Related - Other Hughes 269A aircraft: https://openairdocs.org/model/hughes-269a/aircraft.md - The Lycoming HO-360 series engine: https://openairdocs.org/engine/lycoming-ho-360-series.md --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.