# N550BH: Air Tractor AT-302

- Status: Valid registration
- Airframe: [Air Tractor AT-302](https://openairdocs.org/model/air-tractor-at-302) (registry code 0390104, 1 seats)
- Engine: [Lycoming LTP-101-600](https://openairdocs.org/engine/lycoming-ltp-101-600) (registry code 41565)
- Data sheets: [TCDS A9SW](https://openairdocs.org/tcds/A9SW) (Air Tractor Inc.), [TCDS E7NE](https://openairdocs.org/tcds/E7NE) (Intermountain Turbine Services Inc.) (OpenAirDocs)
- Serial number: 302-0184
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Restricted, agriculture and pest control
- Airworthiness date: June 29, 1979
- Certificate issued: October 1, 2020
- Expires: October 31, 2027
- Mode S code: A6FF8C
- Registered owner: [Woodley Aerial Leasing LLC](https://openairdocs.org/faa-owner/WOODLEY%20AERIAL%20LEASING%20LLC)
- Location: [Walnut, IL](https://openairdocs.org/faa-place/IL/Walnut)
- Owner type: LLC
- Owner's area on the map: 41.5384° N, 89.6018° W: Placed by OpenAirDocs at the center of ZIP code 61376, within about 6 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=550BH
- Page: https://openairdocs.org/aircraft/N550BH

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.

## ADs that may apply (OpenAirDocs): 22 in force

### Matched by airframe (Air Tractor AT-302)

- [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 2008-09-10](https://openairdocs.org/ad/2008-09-10): Aluminum spar caps · Air Tractor AT-300, AT-301, AT-302 and 2 more. Effective May 8, 2008
- [AD 2005-18-20](https://openairdocs.org/ad/2005-18-20): "FASTprop" propeller de-icers · Hartzell PHC-C3YF-1RF/F8468A(B,K)-8R constant speed propeller (STC SA00718LA or 17 others). Effective Oct 14, 2005
- [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 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
- [AD 92-07-14](https://openairdocs.org/ad/92-07-14): Wing Structure · Air Tractor AT-300, AT-301, AT-302 and 2 more. Effective May 8, 1992
- [AD 83-18-01](https://openairdocs.org/ad/83-18-01): Fuselage Attach Fittings · Air Tractor AT-300, AT-301 and AT-302. Effective Sep 6, 1983
- [AD 82-06-12](https://openairdocs.org/ad/82-06-12): Main Landing Gear Struts · Air Tractor AT-300, AT-301, AT-302 and 2 more. Effective Mar 25, 1982

### Matched by engine (Lycoming LTP-101-600)

- [AD 2002-03-09 R1](https://openairdocs.org/ad/2002-03-09-R1): Impellers · Honeywell International LTP 101-600, LTP 101-600A, LTP 101-600A-1A and 14 more. Effective Mar 27, 2002
- [AD 2001-22-07](https://openairdocs.org/ad/2001-22-07): Rigid Tube Fuel Manifold Assemblies · Honeywell International LTP 101-600, LTP 101-600A, LTP 101-600A-1A and 14 more. Effective Nov 30, 2001
- [AD 96-12-27](https://openairdocs.org/ad/96-12-27): Gas Generator Turbine Disk · Honeywell International LTP 101-600, LTP 101-600A, LTP 101-600A-1A and 21 more. Effective Aug 19, 1996
- [AD 96-12-05](https://openairdocs.org/ad/96-12-05): Turbine rotors · Honeywell International LTP 101-600, LTP 101-600A, LTP 101-600A-1A and 14 more. Effective Aug 12, 1996
- [AD 95-16-04](https://openairdocs.org/ad/95-16-04): Axial Compressor Rotors · Honeywell International LTP 101-600, LTP 101-600A, LTP 101-600A-1A and 21 more. Effective Oct 2, 1995
- [AD 94-18-06](https://openairdocs.org/ad/94-18-06): Bearings · Honeywell International LTP 101-600, LTP 101-600A, LTP 101-600A-1A and 21 more. Effective Sep 26, 1994
- [AD 93-13-11](https://openairdocs.org/ad/93-13-11): Gas Generator Turbine Rotor Disk · Honeywell International LTP 101-600, LTP 101-600A, LTP 101-600A-1A and 22 more. Effective Nov 8, 1993
- [AD 92-15-07](https://openairdocs.org/ad/92-15-07): Integrally Cast Power Turbine (PT) Rotor Blade · Honeywell International LTP 101-600, LTP 101-600A, LTP 101-600A-1A and 21 more. Effective Sep 2, 1992
- [AD 79-06-06 R2](https://openairdocs.org/ad/79-06-06-R2): Lubrication System Contamination · Honeywell International LTP 101-600, LTP 101-600A, LTS101-600A and 3 more. Effective Jun 2, 1980
- [AD 79-20-03](https://openairdocs.org/ad/79-20-03): Fuel Control, Fuel Pump And Oil Pump Drive Gears · Honeywell International LTP 101-600, LTP 101-600A, LTP 101-600A-1A and 5 more. Effective Sep 26, 1979
- [AD 82-20-51](https://openairdocs.org/ad/82-20-51): N2 Accessory Idler Gear Assembly · Honeywell International LTP 101-600, LTP 101-600A, LTP 101-600A-1A and 1 more

### 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 2003-06-01](https://openairdocs.org/ad/2003-06-01) (historical): Wing centerline splice joint · Air Tractor AT-300, AT-301, AT-302 and 2 more. Effective Apr 4, 2003
- [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 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
- [AD 2002-03-09](https://openairdocs.org/ad/2002-03-09) (historical): Impellers · Honeywell International LTP 101-600, LTP 101-600A, LTP 101-600A-1A and 2 more. Effective Mar 27, 2002
- [AD 95-09-02](https://openairdocs.org/ad/95-09-02) (historical): Fuel Pumps · Honeywell International LTP 101-600, LTP 101-600A, LTP 101-600A-1A and 12 more. Effective May 10, 1995

## Information bulletins (advisory) (4 in force)

- [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
- [SAIB CE-04-23](https://openairdocs.org/saib/CE-04-23): . Issued Dec 2, 2003

## NTSB investigations

None matched to N550BH.

## FAA accident and incident reports

None matched to N550BH.

## 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) (46)

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 (Air Tractor AT-302)

- [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 SA7965SW](https://openairdocs.org/stc/SA7965SW): Application of fabric and polyurethane finishing system. Shady Aviation LLC
- [STC SA01240SE](https://openairdocs.org/stc/SA01240SE): Installation of secondary voltage indication system. Visual Instruments LLC
- [STC SA4503NM](https://openairdocs.org/stc/SA4503NM): Remove original cloth covering and install Ceconite covering. Ceconite Division of Poly-Fiber Inc
- [STC SA04776NY](https://openairdocs.org/stc/SA04776NY): The HIPEC Covering and Finishing System must be performed and maintained. HIPEC Aircraft Coatings Inc
- [STC SA03819NY](https://openairdocs.org/stc/SA03819NY): Installation and maintenance of Oratex 6000 Covering and Coating System. Lanitz-Prena Folien Factory GmbH
- [STC SA00401BO](https://openairdocs.org/stc/SA00401BO): Installation of a SkyTrax100B UAT receiver. Avidyne Corporation
- [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 SA02135SE](https://openairdocs.org/stc/SA02135SE): Installation of Electronics International Inc. Glass Panel Engine Monitor (with In-Flight Data). Electronics International Inc
- [STC SA04165NY](https://openairdocs.org/stc/SA04165NY): Installation of Latitude Technologies Skynode S200 Satcom system must be performed. Latitude Technologies Corporation
- [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 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 SA00478CH](https://openairdocs.org/stc/SA00478CH): Installation of Cooper Superflite 102 Fabric. Aviation Products Systems Inc
- [STC SA00489LA](https://openairdocs.org/stc/SA00489LA): Installation of winglets. Aero Spraying Service Inc
- [STC ST03554CH](https://openairdocs.org/stc/ST03554CH): Installation of Rotary Gatekeeper and provisions equipment. Turbine Conversions Ltd
- [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 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 SP00400SE](https://openairdocs.org/stc/SP00400SE): Installation of various propeller electrical de-icer models. SMR Technologies
- [STC SA2505NM](https://openairdocs.org/stc/SA2505NM): Installation of Pheromone aerial application system. (AT-400A RESTRICTED CATEGORY). Herculite Products 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 SA8075SW](https://openairdocs.org/stc/SA8075SW): Installation of fiberglass covering. (M-62 SERIES PT-19) (G-73 SCHWEIZER). Razorback Fabrics 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 SA572EA](https://openairdocs.org/stc/SA572EA): Installation of Goodrich Model 5735K deicer kit (P/N 5735 deicer boot, P/N D-5735-1 cable, P/N 5735H hardware kit). Limited to aircraft which incorporate Goodrich Propeller Deicing Systems equipped with Goodrich Propeller Deicer Boot P/N 4E1185-5 on Hartzell propellers as listed on STC SA572EA eligibility list. Goodrich Corp
- [STC SA1110GL](https://openairdocs.org/stc/SA1110GL): Surrendered and incorporated into STC SA00478CH. AAR
- [STC SA265NW](https://openairdocs.org/stc/SA265NW): Installation of Automatic Flagman Model No. 4 (Dispenser System) on the upper surface of the right wing root. R-S Sales Inc
- [STC SA2687NM](https://openairdocs.org/stc/SA2687NM): Installation of Truboplus/ Electronics Int'l gauges and switches. Aero Manufacturing Inc
- [STC SA812NE](https://openairdocs.org/stc/SA812NE): Installation of BF Goodrich Model 6975-1 De-Icer kit or BF Goodrich Model 6975-10 De-Icer kit. BF Goodrich Aerospace
- [STC SA00151SE](https://openairdocs.org/stc/SA00151SE): Fabrication and Installation of vortex generators and "delta wings" on the wings and a strake mounted above the 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 SA7610SW](https://openairdocs.org/stc/SA7610SW): Installation of Garrett TPE-331-25 turbine engine and Hartzell HC-B3TN-5E-T10178H-11 propeller. Bailey Flying Service
- [STC SA4356WE](https://openairdocs.org/stc/SA4356WE): Installation of two Albany Int'l dispersion pods, Dwg. No. 21940 or21961. Ecogen, Inc
- [STC SA1626NM PAGE 1](https://openairdocs.org/stc/SA1626NM%20PAGE%201): Installation of Electronics Int'l Digital EGT/CHT Instruments and accessories. (201 Series). Electronics International
- [STC SA2157SO](https://openairdocs.org/stc/SA2157SO): Installation of chemical evacuation system to remove residue from the agricultural spray dispersal system. (AT-502 RESTRICTED CATEGORY). Paul S Woods
- [STC SA3325SO](https://openairdocs.org/stc/SA3325SO): Installation of a chemical rinsing system. Paul S Woods
- [STC SA2350NM PAGE 1](https://openairdocs.org/stc/SA2350NM%20PAGE%201): Installation of Electronics International Inc digital carburetor/outside air temperature gauges. Electronics International
- [STC SA4302NM](https://openairdocs.org/stc/SA4302NM): Installation of Electronics Int'l digital automatic engine analyzer. Electronics International
- [STC SA3862NM PAGE 1](https://openairdocs.org/stc/SA3862NM%20PAGE%201): Installation of Electronics International Primary TIT/EGT/CHT instruments, remote switches and associated accessories. Electronics International
- [STC SA2190NM PAGE 1](https://openairdocs.org/stc/SA2190NM%20PAGE%201): Installation of electronics International Digital Volt/Amp Gauges and Accessories. Electronics International
- [STC SA2350NM](https://openairdocs.org/stc/SA2350NM) (historical): Installation of Electronics International Inc digital carburetor/outside air temperature gauges listed on the attached continuation sheet and the associated accessories. Electronics International

## Related

- Other Air Tractor AT-302 aircraft: https://openairdocs.org/model/air-tractor-at-302/aircraft.md
- The Lycoming LTP-101-600 engine: https://openairdocs.org/engine/lycoming-ltp-101-600.md

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