# Air Tractor AT-401B

- Type: Aircraft model (FAA registry)
- Registry code: 0390207
- Manufacturer (registry): AIR TRACTOR INC
- Model: AT-401B
- Aircraft type: Fixed wing single engine
- Category: Airplane
- Engines: 1 · Turbo-prop
- Seats: 1
- Weight class: Up to 12,499 lb
- Certification: Type certificated
- Data sheet: [TCDS A17SW](https://openairdocs.org/tcds/A17SW) (OpenAirDocs)
- Holder: Air Tractor Inc.
- Registered aircraft: 17
- Page: https://openairdocs.org/model/air-tractor-at-401b

Model codes come from the FAA registry's reference file. ADs are matched to them by model name and maker.

## ADs that may apply (OpenAirDocs)

Matched to this model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment.

- [AD 2021-05-14](https://openairdocs.org/ad/2021-05-14): TE flap control system · Air Tractor AT-250, AT-300, AT-301 and 19 more. Effective Apr 29, 2021
- [AD 2006-08-08 R1](https://openairdocs.org/ad/2006-08-08-R1): Wing lower spar cap · Winglets (Aero Spraying Service STC SA00490LA). Effective May 5, 2009
- [AD 2008-26-01](https://openairdocs.org/ad/2008-26-01): Overturn skid plate kit · Air Tractor AT-250, AT-300, AT-301 and 15 more. Effective Jan 28, 2009
- [AD 2005-13-12](https://openairdocs.org/ad/2005-13-12): Front and rear spar of the horizontal stabilizer · Air Tractor AT-300, AT-301, AT-302 and 11 more. Effective Aug 5, 2005
- [AD 2004-15-15](https://openairdocs.org/ad/2004-15-15): Aft Fuselage Upper Longeron · Air Tractor AT-401, AT-401B, AT-402 and 10 more. Effective Sep 7, 2004
- [AD 2003-07-04](https://openairdocs.org/ad/2003-07-04): Vertical Fin Front Spar Fittings · Air Tractor AT-300, AT-400, AT-400A and 8 more. Effective May 22, 2003
- [AD 98-25-01](https://openairdocs.org/ad/98-25-01): Flap Actuator Overtravel Stop · Air Tractor AT-300, AT-301, AT-302 and 13 more. Effective Jan 19, 1999

Historical (superseded or no longer in force):

- [AD 2006-08-08](https://openairdocs.org/ad/2006-08-08) (historical): Wing lower spar cap · Air Tractor AT-400, AT-401, AT-401B and 3 more. Effective Apr 21, 2006
- [AD 2002-11-05](https://openairdocs.org/ad/2002-11-05) (historical): Wing Lower Spar Cap · Winglets (Aero Spraying Service STC SA00490LA). Effective Jul 12, 2002
- [AD 2001-10-04 R1](https://openairdocs.org/ad/2001-10-04-R1) (historical): Wing Lower Spar Cap · Air Tractor AT-400, AT-400A, AT-401 and 11 more. Effective Jun 8, 2001
- [AD 2001-10-04](https://openairdocs.org/ad/2001-10-04) (historical): Wing Lower Spar Cap · Air Tractor AT-400, AT-401, AT-401B and 10 more. Effective Jun 8, 2001
- [AD 96-23-19](https://openairdocs.org/ad/96-23-19) (historical): Flap Actuator Overtravel Stop · Air Tractor AT-300, AT-301, AT-302 and 13 more. Effective Dec 18, 1996

## Information bulletins (advisory) (4)

- [SAIB CE-18-06](https://openairdocs.org/saib/CE-18-06): Flight Controls, Rudder Control System. Issued Dec 1, 2017
- [SAIB CE-16-27](https://openairdocs.org/saib/CE-16-27): Flight Controls, Trailing Edge (TE) Flap Control System. Issued Oct 31, 2016
- [SAIB CE-11-41](https://openairdocs.org/saib/CE-11-41): Fuselage, Wing Attach Fittings. Issued Jun 29, 2011
- [SAIB CE-11-30](https://openairdocs.org/saib/CE-11-30): Aircraft Structures. Issued May 9, 2011

## Registered aircraft (17)

- [N39GJ](https://openairdocs.org/aircraft/N39GJ): [Tri County Ag Service Inc](https://openairdocs.org/faa-owner/TRI%20COUNTY%20AG%20SERVICE%20INC), [Ipswich, SD](https://openairdocs.org/faa-place/SD/Ipswich), built 1997, S/N 401B-1023
- [N401NE](https://openairdocs.org/aircraft/N401NE): [Bender Jace Edwin Fredrick](https://openairdocs.org/faa-owner/BENDER%20JACE%20EDWIN%20FREDRICK), [Humphrey, NE](https://openairdocs.org/faa-place/NE/Humphrey), built 1994, S/N 401B0960
- [N432DA](https://openairdocs.org/aircraft/N432DA): [Bob Donner Enterprises LLC](https://openairdocs.org/faa-owner/BOB%20DONNER%20ENTERPRISES%20LLC), [Belview, MN](https://openairdocs.org/faa-place/MN/Belview), built 1997, S/N 401B-1029
- [N50013](https://openairdocs.org/aircraft/N50013): [Georgeson Troy D](https://openairdocs.org/faa-owner/GEORGESON%20TROY%20D), [Drayton, ND](https://openairdocs.org/faa-place/ND/Drayton), S/N 401B-1012
- [N5006B](https://openairdocs.org/aircraft/N5006B): [Sky West Aviation Inc Trustee](https://openairdocs.org/faa-owner/SKY%20WEST%20AVIATION%20INC%20TRUSTEE), [Albuquerque, NM](https://openairdocs.org/faa-place/NM/Albuquerque), built 1996, S/N 401B-1015
- [N5028Q](https://openairdocs.org/aircraft/N5028Q): [Tri Rotor Spray & Chemical](https://openairdocs.org/faa-owner/TRI%20ROTOR%20SPRAY%20%26%20CHEMICAL), [Ulysses, KS](https://openairdocs.org/faa-place/KS/Ulysses), built 1997, S/N 401B-1028
- [N5081W](https://openairdocs.org/aircraft/N5081W): [Barts Flying Service Inc](https://openairdocs.org/faa-owner/BARTS%20FLYING%20SERVICE%20INC), [Storm Lake, IA](https://openairdocs.org/faa-place/IA/Storm%20Lake), built 1996, S/N 401B-1013
- [N6000Y](https://openairdocs.org/aircraft/N6000Y): [A+ Aviation Services LLC](https://openairdocs.org/faa-owner/A+%20AVIATION%20SERVICES%20LLC), [Goodland, KS](https://openairdocs.org/faa-place/KS/Goodland), built 1995, S/N 401B-0983
- [N6010U](https://openairdocs.org/aircraft/N6010U): [Gray Ron](https://openairdocs.org/faa-owner/GRAY%20RON), [Hooker, OK](https://openairdocs.org/faa-place/OK/Hooker), built 1995, S/N 401B-0985
- [N60117](https://openairdocs.org/aircraft/N60117): [1 Lowflyer Inc](https://openairdocs.org/faa-owner/1%20LOWFLYER%20INC), [Harrisonville, MO](https://openairdocs.org/faa-place/MO/Harrisonville), built 1994, S/N 401B-0956
- [N6099U](https://openairdocs.org/aircraft/N6099U): [Barajas Samuel](https://openairdocs.org/faa-owner/BARAJAS%20SAMUEL), [Mission, TX](https://openairdocs.org/faa-place/TX/Mission), S/N 401B-0975
- [N6106U](https://openairdocs.org/aircraft/N6106U): [Vernon, TX](https://openairdocs.org/faa-place/TX/Vernon), built 1995, S/N 401B-0976, Registration pending
- [N61173](https://openairdocs.org/aircraft/N61173): [L&M Decuir Inc](https://openairdocs.org/faa-owner/L%26M%20DECUIR%20INC), [Cottonport, LA](https://openairdocs.org/faa-place/LA/Cottonport), built 1996, S/N 401B1003
- [N6146W](https://openairdocs.org/aircraft/N6146W): [Adara Aircraft LLC](https://openairdocs.org/faa-owner/ADARA%20AIRCRAFT%20LLC), [Hamilton, MT](https://openairdocs.org/faa-place/MT/Hamilton), S/N 401B-0979
- [N61762](https://openairdocs.org/aircraft/N61762): [Chisenhall Agricultural Service Inc](https://openairdocs.org/faa-owner/CHISENHALL%20AGRICULTURAL%20SERVICE%20INC), [Foley, AL](https://openairdocs.org/faa-place/AL/Foley), built 1996, S/N 401B-1008
- [N61775](https://openairdocs.org/aircraft/N61775): [Cruce Aviation LLC-Series Leasing](https://openairdocs.org/faa-owner/CRUCE%20AVIATION%20LLC-SERIES%20LEASING), [Marquette Heights, IL](https://openairdocs.org/faa-place/IL/Marquette%20Heights), built 1996, S/N 401B-1009
- [N9071Z](https://openairdocs.org/aircraft/N9071Z): [Johnson Airspray Inc](https://openairdocs.org/faa-owner/JOHNSON%20AIRSPRAY%20INC), [Argyle, MN](https://openairdocs.org/faa-place/MN/Argyle), built 2001, S/N 401B-1131

## NTSB investigations (12)

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 CEN23LA241](https://openairdocs.org/ntsb/CEN23LA241), Jun 15, 2023: Air Tractor AT-401B (N6106U), Holyoke, CO, substantial damage. Probable cause: The pilot's failure to maintain directional control during the landing roll.
- [NTSB CEN21LA393](https://openairdocs.org/ntsb/CEN21LA393), Sep 1, 2021: Air Tractor AT-401B (N5081W), Storm Lake, IA, substantial damage. Probable cause: The pilot’s failure to maintain adequate airspeed during a landing approach with a tailwind that resulted in a landing overrun and impact with terrain.
- [NTSB CEN14CA427](https://openairdocs.org/ntsb/CEN14CA427), Aug 13, 2014: Air Tractor AT 401B (N9071Z), Cimarron, KS, substantial damage. Probable cause: The pilot's failure to maintain clearance from the antenna guy wire during an aerial application pass.
- [NTSB CEN14LA376](https://openairdocs.org/ntsb/CEN14LA376), Jul 18, 2014: Air Tractor AT 401B (N4223F), Ellis, KS, substantial damage, 1 fatal. Probable cause: The noninstrument-rated pilot’s inadequate preflight weather planning and subsequent inadvertent encounter with instrument meteorological conditions, which resulted in spatial disorientation and the…
- [NTSB CEN09LA503](https://openairdocs.org/ntsb/CEN09LA503), Aug 4, 2009: Air Tractor AT401 (N60747), Waterloo, IA, substantial damage. Probable cause: A loss of engine power for undetermined reasons.
- [NTSB ATL04LA173](https://openairdocs.org/ntsb/ATL04LA173), Sep 4, 2004: Air Tractor AT-401B (N3047A), Bainbridge, GA, substantial damage, 1 fatal. Probable cause: The pilot's failure to maintain adequate airspeed during an abrupt maneuver which resulted in a stall and collision with the ground.
- [NTSB ATL03LA122](https://openairdocs.org/ntsb/ATL03LA122), Jul 30, 2003: Air Tractor AT401B (N61227), Girard, GA, substantial damage. Probable cause: A loss of engine power due to the failure of the internal supercharger blower seals.
- [NTSB CHI02LA206](https://openairdocs.org/ntsb/CHI02LA206), Jul 22, 2002: Air Tractor AT-401B (N60747), Pratt, KS, substantial damage. Probable cause: The pilot's failure to maintain terrain clearance. A factor was low altitude flight.
- [NTSB FTW00LA162](https://openairdocs.org/ntsb/FTW00LA162), Jun 1, 2000: Air Tractor AT-401B (N5028Q), Thibodaux, LA, substantial damage. Probable cause: The pilot's failure to maintain clearance with the power lines while maneuvering during an aerial application flight. A factor was the sunglare on the windscreen.
- [NTSB ATL00LA046](https://openairdocs.org/ntsb/ATL00LA046), Apr 22, 2000: Air Tractor AT-401-B (N6096P), Lawrenceburg, TN, substantial damage. Probable cause: The loss of engine power due to a stuck exhaust valve that resulted in the collision with a tree while maneuvering for the forced landing.
- [NTSB CHI99LA268](https://openairdocs.org/ntsb/CHI99LA268), Jul 31, 1999: Air Tractor AT-401B (N61775), Edelstein, IL, substantial damage. Probable cause: an inadequate fuel supply which resulted in fuel exhaustion. Factors associated with the accident were the low altitude at which the power loss occurred and the corn crop the airplane contacted.
- [NTSB CHI99LA258](https://openairdocs.org/ntsb/CHI99LA258), Jul 24, 1999: Air Tractor 401B (N6006A), Mccanna, ND, substantial damage. Probable cause: the inadvertent stall by the pilot.

## FAA accident and incident reports (14)

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 20230615008099A](https://openairdocs.org/incident/20230615008099A), Jun 15, 2023: Air Tractor Inc AT-401B (N6106U), Holyoke, CO, Substantial damage. Upon landing on runway 32 Holyoke municipal airport, (heq), Holyoke, CO, [privacy data omitted] an Air tractor AT-401B ground looped. There were no injuries.…
- [Accident 20210901011429A](https://openairdocs.org/incident/20210901011429A), Sep 1, 2021: Air Tractor Inc AT-401B (N5081W), Storm Lake, IA, Substantial damage. Pilot stated that the grass runway which runs parallel to runway 31 was wet with dew and the braking action was poor. Pilot stated that he left the flaps at…
- [Accident 20140813019219A](https://openairdocs.org/incident/20140813019219A), Aug 13, 2014: Air Tractor Inc AT-401B (N9071Z), Cimmaron, KS, Substantial damage. Aerial applicator was flying for the purpose of programming entry and exit points into the aircrafts onboard GPS. The airman planned to apply chemical to the…
- [Accident 20140717016129A](https://openairdocs.org/incident/20140717016129A), Jul 17, 2014: Air Tractor Inc AT-401B (N4223F), Ellis, KS, Substantial damage, 1 fatal. On July 17, 2014, at approximately 2300 CDT, the airman was involved in an aircraft accident while operating in the vicinity of Ellis, KS. The aircraft, an Air…
- [Accident 20090804016509A](https://openairdocs.org/incident/20090804016509A), Aug 4, 2009: Airtrc AT401B (N60747), Oelwein, IA, Substantial damage. (-23) Two separate witnesses stated that the aircraft let out a puff of smoke prior to the accident. The aircraft lost engine power. The pilot made an…
- [Accident 20040903030359A](https://openairdocs.org/incident/20040903030359A), Sep 3, 2004: Airtrc AT401B (N3047A), Bainbridge, GA, Destroyed, 1 fatal. (-23) Based on multiple eyewitness accounts, pilot attempted an aerobatic maneuver at an extremely low altitude resulting in the aircraft crashing.
- [Accident 20030730022349A](https://openairdocs.org/incident/20030730022349A), Jul 30, 2003: Airtrc AT401B (N61227), Girard, GA, Substantial damage. (-23) Aircraft lifted off from private strip and engine lost power. Pilot landed in the field across the road and slid into the trees at the end of the field.…
- [Accident 20020722017579A](https://openairdocs.org/incident/20020722017579A), Jul 22, 2002: Airtrc AT401B (N60747), Pratt, KS, Substantial damage. (.19) On July 22, 2002, at 1040 central daylight time, an air tractor AT-401B, N60747, operated by farmers spraying service inc., was substantially damaged…
- [Accident 20000601043899A](https://openairdocs.org/incident/20000601043899A), Jun 1, 2000: Airtrc AT401B (N5028Q), Thibodeaux, LA, Substantial damage. (-23) During aerial application maneuvers, aircraft struck power lines. Pilot reported losing sight of power lines due to sun glare on windshield.
- [Accident 20000422012689A](https://openairdocs.org/incident/20000422012689A), Apr 22, 2000: Airtrc AT401B (N6096P), Lawrenceburg, TN, Substantial damage. (-23) Aircraft lost power during aerial application near lewisburg, TN airport. Pilot stated that he had just made an application run and was pulling up when…
- [Incident 19991120035279I](https://openairdocs.org/incident/19991120035279I), Nov 20, 1999: Airtrc AT401B (N61775), Pittsburgh, KS, Minor damage. (-23) Air tractor, N61775, piloted by murray j. brian, ran out of gas and made a forced landing in a milo field about 8 miles short of his intended fuel stop…
- [Accident 19990730010269A](https://openairdocs.org/incident/19990730010269A), Jul 30, 1999: Airtrc AT401B (N61775), Edelstein, IL, Substantial damage. Acft ran off the end of the rwy, other circumstances are unknown. (.19) on July 30, 1999, at 1900 central daylight time, an air tractor AT-401B, N61775,…
- [Accident 19990724009639A](https://openairdocs.org/incident/19990724009639A), Jul 24, 1999: N6006A, Mccana, ND, Substantial damage. Acft stalled during aerial application and crashed, other circumstances ae unknown. (-23)the aircraft was being operated in commerical aerial application…
- [Incident 19990518014549I](https://openairdocs.org/incident/19990518014549I), May 18, 1999: Airtrc AT401B (N6106U), Penelope, TX, No damage. On may 18, 1999, at 1350 an air tractor, ST-401B, registration number N6106U, operated by Mr. Guy taylor, was involved in any incident just forth of Penelope,…

## Service difficulty reports (1)

As reported by operators and repair stations, by the model named in the report.

- [SDR CA010724009](https://openairdocs.org/sdr/CA010724009), Jul 16, 2001: ROCKER BOSS. CRACKED. (CAN) THE EXHAUST VALVE ROCKER ARM BOSS CRACKED THROUGH THE PIVOT BOLT HOLES WHICH ALLOWED THE ROCKER ARM TO MOVE WITHOUT OPENING THE EXHAUST VALVE, SEVERLY RED

## STCs that may be installed (OpenAirDocs) (48)

Approved for this model: the STC's model list names it on its data sheet, or a series that includes it. In force first, then newest. The registry doesn't record which STCs an aircraft has.

- [STC SA01800SE](https://openairdocs.org/stc/SA01800SE): Fabrication and installation of new or replacement of existing instrument panel lights dimmer control. TCW Technologies, LLC
- [STC SA01861SE](https://openairdocs.org/stc/SA01861SE): Fabrication and installation of Landing Light Controller. TCW Technologies, LLC
- [STC SA04837NY](https://openairdocs.org/stc/SA04837NY): Installation of AeroLED's Holdings, LLC., position lights, navigation lights, strobe lights and beacon lights. AeroLED's Holdings, LLC
- [STC SA02019SE-D](https://openairdocs.org/stc/SA02019SE-D): Installation of Garmin Model GTN 625/635/650; 725/750 Navigation System. Garmin International Inc
- [STC SA09719AC](https://openairdocs.org/stc/SA09719AC): Installation electrostatic spray equipment and controls. Zee Systems Inc
- [STC SA12204WI](https://openairdocs.org/stc/SA12204WI): Wing Spar Cap manufacturing process change. Air Tractor Inc
- [STC SA02738CH](https://openairdocs.org/stc/SA02738CH): Installation of L-3 Communications Avionics Systems. Acron Aviation Inc
- [STC SA04046CH PAGE 1](https://openairdocs.org/stc/SA04046CH%20PAGE%201): Installation of L-3 GENESIS (TM) Electronic Standby Instrument System (ESI-500/MAG-500). Acron Aviation Inc
- [STC SA01240SE](https://openairdocs.org/stc/SA01240SE): Installation of secondary voltage indication system. Visual Instruments LLC
- [STC SA04676CH](https://openairdocs.org/stc/SA04676CH): Installation of a True Quantity Gauge System. Reabe Design LLC
- [STC SA02266SE](https://openairdocs.org/stc/SA02266SE): Installation of a Lever Throttle Quadrant. Kawak Aviation Technologies Inc
- [STC SA02444AK](https://openairdocs.org/stc/SA02444AK): Approval of the L-3 Communications NGT 9000/9000R ADS-B system installed. ADS-B Technologies LLC
- [STC SA00888SE](https://openairdocs.org/stc/SA00888SE): Option 1: Install Walter M601-E11S engine and a Hartzell HC-B3TW-3/T10282N+4 propeller or a Walter M601-E11 engine and an Avia V508-E-AG 106/A propeller per the Master Drawing List and Installation Instructions given in Approved Model List SA00888SE. (Note: Prior to July 17, 2002, the model M601-E11S engine was designated as the model M601-E11 engine). Option 2: Install a Walter M601-D11 engine and Avia V508-E-AG 106/A propeller per Cascade Flying Service Master Drawing List CFS-MDL-0001 Rev G, dated June 15, 2004, and Cascade Flying Service Document CFS-IM-107, Rev A, dated July 29, 2003, “Installation Instructions for Walter Turbine Installation on Air Tractor 300 & 400 Series Ag Aircraft,” or later FAA-approved revisions to these documents. NOTE: The Air Tractor model AT-400, AT-402B, AT-502, AT-502B, and AT-503A airplanes are not eligible for modification under option 2. Cascade Flying Service LLC
- [STC SA02268CH](https://openairdocs.org/stc/SA02268CH): Installation of Airwolf Filter Corp. Air Oil Separator. Airwolf Filter Corporation
- [STC SA01714WI](https://openairdocs.org/stc/SA01714WI): Installation of a Garmin transponders: (a) GTX 330/330D/33/33D with ADS-B Out functionality; (b) GTX 335/335R/345/345R with ADS-B Out and In functionality; or (c) GTX 335R/345R with ADS-B Out functionality in select airplanes installed with G950/G1000 systems. Garmin International Inc
- [STC SA00344BO PAGE 2](https://openairdocs.org/stc/SA00344BO%20PAGE%202): Installation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights. Whelen Aerospace Technologies
- [STC SA04165NY](https://openairdocs.org/stc/SA04165NY): Installation of Latitude Technologies Skynode S200 Satcom system must be performed. Latitude Technologies Corporation
- [STC SA01435SE](https://openairdocs.org/stc/SA01435SE): Installation of J.P. Instruments (JPI) Primary Engine Data Management System. J. P. Instruments
- [STC SA01323CH](https://openairdocs.org/stc/SA01323CH): Installation of a ground single point fueling system. Turbine Conversions Ltd
- [STC SA02205SE](https://openairdocs.org/stc/SA02205SE): Installation of a replacement airframe fuel pump in accordance with Cascade Flying Service Master Drawing List FW-CFS545-90, Rev. B, dated October 19, 2011, or later FAA approved revision. Cascade Aircraft conversions LLC
- [STC SA01282NY](https://openairdocs.org/stc/SA01282NY): Installation of Airwolf remote mounted engine oil filter kit AFC-K015 on aircraft powered by Pratt & Whitney radial reciprocating engine Series R-985, R-1340 and R-1830. Airwolf Filter Corporation
- [STC SA01745WI](https://openairdocs.org/stc/SA01745WI): Installation of a Cable Cutter System on the Main Landing Gear. Hershey Flying Service Inc
- [STC SA01845WI](https://openairdocs.org/stc/SA01845WI): Installation of a Center Windshield. Hershey Flying Services
- [STC SA00382BO](https://openairdocs.org/stc/SA00382BO): Installation of Globalstar Antenna and Cradle provisions to support a Globalstar GPS-1700 in non-composite airplanes. Avidyne Corporation
- [STC SA02276AK](https://openairdocs.org/stc/SA02276AK): Installation of AMSAFE Aviation Inflatable Restraints. AMSAFE Inc
- [STC SA02119SE PAGE 1](https://openairdocs.org/stc/SA02119SE%20PAGE%201): Installation of Garmin GDL 88 ADS-B UAT Transceiver System. Garmin International Inc
- [STC SA02442AK PAGE 1](https://openairdocs.org/stc/SA02442AK%20PAGE%201): Approval of the L-3 Communications NGT 2000/2500 ADS-B system. ADS-B Technologies, LLC
- [STC SA00490LA](https://openairdocs.org/stc/SA00490LA): Installation of winglets. Aero Spraying Service Inc
- [STC SA02283SE PAGE 2](https://openairdocs.org/stc/SA02283SE%20PAGE%202): Installation of Electronics International Inc. Glass Panel Engine Monitor (with In Flight Data) CGR-30P. Electronics International Inc
- [STC ST03554CH](https://openairdocs.org/stc/ST03554CH): Installation of Rotary Gatekeeper and provisions equipment. Turbine Conversions Ltd
- [STC SA02402SE PAGE 1](https://openairdocs.org/stc/SA02402SE%20PAGE%201): Installation of Electronics International Inc. Glass Panel Engine Monitor (with In-Flight Data) CGR-30C. Electronics International Inc
- [STC SA00403SE](https://openairdocs.org/stc/SA00403SE): Installation of Vortex Generators on the wings. Micro AeroDynamics Inc
- [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 SA01583CH](https://openairdocs.org/stc/SA01583CH): Installation of a Trace Engines, LP OE600A model engine, McCauley 3FF34C529/106AW[X]-0 model propeller and associated systems. Trace Engines LP
- [STC SA02985CH](https://openairdocs.org/stc/SA02985CH): Installation of a Cool Start System in accordance with Installation Instructions , Revision A, dated April 14, 2011, or later FAA Approved revision. Turbine Conversions Ltd
- [STC SA4294SW](https://openairdocs.org/stc/SA4294SW): Installation of freon air conditioning unit (wind-driven compressor). Collins Aircraft Dynamics Inc
- [STC SA00068SE](https://openairdocs.org/stc/SA00068SE): Installation of fuel flow/pressure instruments. (W/TSIO-360-MB1). Electronics International Inc
- [STC SA02110CH](https://openairdocs.org/stc/SA02110CH): Installation of a Time Trac Data Recorder. P2 Incorporated
- [STC SA2693NM](https://openairdocs.org/stc/SA2693NM): Installation of Electronics International digital volt/amp gauges and accessories. Electronics International Inc
- [STC SA4005NM](https://openairdocs.org/stc/SA4005NM): Precise Flight Inc. Pulselite Control System. Precise Flight Inc
- [STC SA01639NY](https://openairdocs.org/stc/SA01639NY): Replacement of 12 refrigerant in air conditioning system with Enviro Refrigerant Hotshot R414B. Scale Modelbuilders Inc
- [STC SA01295LA](https://openairdocs.org/stc/SA01295LA): Installation of modified Pratt & Whitney R-1340 engine. This mod must be done concurrently with STC SE01200LA which modifies R-1340 engine. Aircraft Cylinder & Turbine Inc
- [STC SA00622LA](https://openairdocs.org/stc/SA00622LA): Installation of an electronic digital engine tachometer horizon model P-1000. Horizon Instruments Inc
- [STC SA01528CH](https://openairdocs.org/stc/SA01528CH): Installation of Walter M601E-11 model turbine engine and an AVIA Propeller Limited VJ8.510 or VJ8.510AG propeller system or Hartzell HC-B3TW-3/T10282NS+4 model propeller. Turbine Conversions Ltd
- [STC SA00751SE](https://openairdocs.org/stc/SA00751SE): Installation of Cold Air Induction System. French Aviation Inc
- [STC SA00569WI](https://openairdocs.org/stc/SA00569WI): Installation of a Compro Aviation Driftfinder DFS-10 system which injects oil into engine exhaust to produce smoke that determines wind speed and direction. Compro Aviation Inc
- [STC SA00198SE](https://openairdocs.org/stc/SA00198SE): Fabrication and installation of vortex generators and 'delta wings' mounted on the wings and strakes mounted above the left- and right-hand wing/ fuselage junctions. Aeronautical Testing Service Inc

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