# Air Tractor AT-501 - Type: Aircraft model (FAA registry) - Registry code: 0390302 - Manufacturer (registry): AIR TRACTOR INC - Model: AT-501 - Aircraft type: Fixed wing single engine - Category: Airplane - Engines: 1 · Reciprocating - 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: 4 - Page: https://openairdocs.org/model/air-tractor-at-501 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 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 2006-24-10](https://openairdocs.org/ad/2006-24-10): Wing spar lower cap · Winglets (Aero Spraying Service STC SA00490LA). Effective Jan 8, 2007 - [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 2000-11-05](https://openairdocs.org/ad/2000-11-05): Vertical Fin Front Spar · Air Tractor AT-301, AT-401 and AT-501. Effective Jun 23, 2000 - [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 - [AD 97-14-05](https://openairdocs.org/ad/97-14-05): Fin Front Spar Attachment Fittings · Air Tractor AT-301, AT-302, AT-400 and 5 more. Effective Aug 25, 1997 - [AD 96-24-08](https://openairdocs.org/ad/96-24-08): Parking Brake Valve · Air Tractor AT-250, AT-300, AT-301 and 7 more. Effective Dec 23, 1996 Historical (superseded or no longer in force): - [AD 2008-11-17](https://openairdocs.org/ad/2008-11-17) (historical): Overturn skid plate in the cockpit area · Air Tractor AT-250, AT-300, AT-301 and 14 more. Effective Jul 7, 2008 - [AD 2002-11-05 R1](https://openairdocs.org/ad/2002-11-05-R1) (historical): Wing lower spar cap · Air Tractor AT-501. Effective Apr 21, 2006 - [AD 2002-25-09](https://openairdocs.org/ad/2002-25-09) (historical): Overturn skid plate · Air Tractor AT-250, AT-300, AT-301 and 10 more. Effective Feb 10, 2003 - [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 2000-14-51](https://openairdocs.org/ad/2000-14-51) (historical): Wing Lower Spar Cap · Air Tractor AT-501, AT-502 and AT-502A. Effective Aug 4, 2000 - [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) (3) - [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 (4) - [N1004B](https://openairdocs.org/aircraft/N1004B): [James R Cartillar III](https://openairdocs.org/faa-owner/JAMES%20R%20CARTILLAR%20III), [Hickory Ridge, AR](https://openairdocs.org/faa-place/AR/Hickory%20Ridge), S/N 501-0022 - [N501BR](https://openairdocs.org/aircraft/N501BR): [Johnson Airspray Inc](https://openairdocs.org/faa-owner/JOHNSON%20AIRSPRAY%20INC), [Argyle, MN](https://openairdocs.org/faa-place/MN/Argyle), S/N 501-0123 - [N7314Q](https://openairdocs.org/aircraft/N7314Q): [Tall Towers Ag Service Inc](https://openairdocs.org/faa-owner/TALL%20TOWERS%20AG%20SERVICE%20INC), [Page, ND](https://openairdocs.org/faa-place/ND/Page), S/N 501-0004 - [N7314R](https://openairdocs.org/aircraft/N7314R): [Newberg Sky Spray LLC](https://openairdocs.org/faa-owner/NEWBERG%20SKY%20SPRAY%20LLC), [Hector, MN](https://openairdocs.org/faa-place/MN/Hector), built 1987, S/N 501-0005 ## NTSB investigations (3) 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 IAD98WA029](https://openairdocs.org/ntsb/IAD98WA029), Jan 24, 1998: Air Tractor AT-501W (N1006T), Santa Maria, Portugal, destroyed, 1 fatal - [NTSB FTW96LA286](https://openairdocs.org/ntsb/FTW96LA286), Jul 1, 1996: Air Tractor AT-502 (N7314C), Almyra, AR, destroyed. Probable cause: The pilot's failure to maintain aircraft control. A factor was the pilot's excessive use of flaps during the maneuver. - [NTSB FTW92LA134](https://openairdocs.org/ntsb/FTW92LA134), May 14, 1992: Air Tractor AT-501 (N1006T), Mooreland, OK, substantial damage. Probable cause: THE FAILURE OF THE NUMBER 3 CYLINDER FOR UNDETERMINED REASONS. A FACTOR WAS THE LACK OF SUITABLE TERRAIN FOR THE ENSUING FORCED LANDING. ## FAA accident and incident reports (4) 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. - [Incident 20060517011649I](https://openairdocs.org/incident/20060517011649I), May 17, 2006: Airtrc AT501 (N7314R), Lodi, CA, Minor damage. (-23) Pilot reported that he had just completed mosquito abatement spraying along the mokelumne river and was returning back to his base airport in Lodi CA… - [Accident 19980124006209A](https://openairdocs.org/incident/19980124006209A), Jan 24, 1998: Airtrc AT501 (N1006T), Santa Maria, PO, Destroyed, 1 fatal. Ferry flight from Canada to portugal. Crashed at night heavy rain and fog near azores. (.19) delivery flight from st. john's, Canada to Santa Maria, azores,… - [Accident 19960701015699A](https://openairdocs.org/incident/19960701015699A), Jul 1, 1996: Airtrc AT501 (N7314C), Almyra, AR, Destroyed. Aircraft experienced control lock in a turn and spun into a lake. (-23) on July 1, 1997, at approximately 1218 CDT, an air tractor AT-502, N7314C, registered… - [Accident 19920514014939A](https://openairdocs.org/incident/19920514014939A), May 14, 1992: Airtrc AT502 (N1006T), Mooreland, OK, Substantial damage. Cylinder failed. Engine backfired,lost power. Elected to land on a ridge. Struck trees and nosed down. ## Service difficulty reports (2) As reported by operators and repair stations, by the model named in the report. - [SDR 96ZZZX2958](https://openairdocs.org/sdr/96ZZZX2958), May 15, 1996: VALVE. FAILED. DURING OPERATIONS FOR WEIGHT & BAL PURPOSES, FUEL VALVE TURNED TO 'OFF'. AS VALVE WAS BEING TURNED BACK TO 'ON', IT BECAME STUCK IN INTERMEDIATE POS. LINKAGE BT - [SDR 96ZZZX2859](https://openairdocs.org/sdr/96ZZZX2859), Dec 5, 1995: CYLINDER. CRACKED. CYLINDER CRACKED COMPLETELY AT EXHAUST ROCKER ARM. THE ROCKER ARM CEASED TO FUNCTION THROWING THE FLOATING CAM RING OUT OF TIME. ENGINE QUIT, LANDED IN ROAD, CH ## STCs that may be installed (OpenAirDocs) (41) 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 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 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 SA02268CH](https://openairdocs.org/stc/SA02268CH): Installation of Airwolf Filter Corp. Air Oil Separator. Airwolf Filter Corporation - [STC SA5190NM](https://openairdocs.org/stc/SA5190NM): Installation of Gustin Aviation chip detector light system. A & L Aircraft Parts Inc - [STC SA04165NY](https://openairdocs.org/stc/SA04165NY): Installation of Latitude Technologies Skynode S200 Satcom system must be performed. Latitude Technologies Corporation - [STC SA1607GL](https://openairdocs.org/stc/SA1607GL): Installation of Sky-Tractor Model200 Scavenge oil filter system. Airwolf Filter Corp - [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 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 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 SA00770CH](https://openairdocs.org/stc/SA00770CH): Replace front 30 inches of fiberglass canopy top with L.P. Aero Plastics Inc. acrylic top in accordance with Reabe Aircraft Improvement Inc. Installation Instructions as listed on AML No. SA00770CH, amended January 14, 2011, or later FAA approved revisions. Reabe Aircraft Improvement 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 SA00171BO](https://openairdocs.org/stc/SA00171BO): Installation of Pratt & Whitney Engine Services, Inc. Aircraft Data Acquisition System ADAS+, P/N ADAS-K-010. Pratt & Whitney Engine Services 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 SA01258SE](https://openairdocs.org/stc/SA01258SE): Installation of the Automatic Flagman Dispenser Models in accordance with Automatic Flagman Master Drawing Lists specified in attached AML, or later FAA approved revision.This STC supercedes several existing STC s as listed in the notes on the attached AML. R-S Sales 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 SA4735NM](https://openairdocs.org/stc/SA4735NM): Installation of automatic flagman Model 4 dispensor system on the upper surface of the right wing root. R-S Sales Inc - [STC SA09189AC](https://openairdocs.org/stc/SA09189AC): Installation of a Walter M601E-11 turboprop engine and a Avia Hamilton Standard VJ8.510AG propeller . Riddell Flying Service, 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 SA00390SE](https://openairdocs.org/stc/SA00390SE): Fabrication and installation of vortex generators and delta wings mounted on wings, and strakes mounted above left- and right-hand wing/fuselage junctions. Aeronautical Testing Service Inc - [STC SA00648AT](https://openairdocs.org/stc/SA00648AT): Installation of chemical rinsing system. Paul S Woods - [STC SA7469SW](https://openairdocs.org/stc/SA7469SW): Install freon air conditioning system with inverter and 117 VAC compressor. Collins Aircraft Dynamics Inc - [STC SA2611CE](https://openairdocs.org/stc/SA2611CE): Operation on unleaded automotive gasoline. Petersen Aviation Inc --- 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.