Fixed Wing Single Engine · LYCOMING LTP 101-600 · as of Sep 21, 2026
Resources Manufacturer · Air Tractor ↗ Engine · Lycoming Engines ↗ Search FAA TCDS ↗
Distribution · currently registered
By state (top 10)
- IL 100.0% 1
By decade of manufacture
- Unknown 100.0% 1
NTSB records
No NTSB-recorded events match AIR TRACTOR INC AT-302 in the indexed corpus.
Airworthiness directives
39 directive(s) on file. Showing the most recent 25 · 14 more in the Federal Register.
- Mar 25, 2021
Airworthiness Directives; Air Tractor, Inc., Airplanes
The FAA is adopting a new airworthiness directive (AD) for all Air Tractor, Inc., (Air Tractor) Models AT-250, AT-300, AT-301, AT-302, AT-400, AT-400A, AT-401, AT-401A, AT-401B, AT-402, AT-402A, AT-402B, AT-501, AT-502, AT-502A, AT-502B, AT-503, AT-503A, AT-504, AT-602, AT- 802, and AT-802A airplanes. This AD was prom…
- Jul 28, 2020
Airworthiness Directives; Air Tractor, Inc. Airplanes
The FAA proposes to adopt a new airworthiness directive (AD) for all Air Tractor, Inc. (Air Tractor) Models AT-250, AT-300, AT-301, AT-302, AT-400, AT-400A, AT-401, AT-401A, AT-401B, AT-402, AT-402A, AT- 402B, AT-501, AT-502, AT-502A, AT-502B, AT-503, AT-503A, AT-504, AT- 602, AT-802, and AT-802A airplanes. This propo…
- Apr 12, 2011
Airworthiness Directives; Honeywell International Inc. LTS101 Series Turboshaft Engines and LTP101 Series Turboprop Engines
We are adopting a new airworthiness directive (AD) for the products listed above. This AD requires removing certain power turbine rotors from service using a specific drawdown schedule. This AD was prompted by reports of fatigue cracks in the airfoil of the power turbine blades. We are issuing this AD to prevent fract…
- Dec 17, 2010
Airworthiness Directives; Honeywell International LTS101 Series Turboshaft Engines and LTP101 Series Turboprop Engines
This supplemental NPRM revises an earlier proposed airworthiness directive (AD), for Honeywell International LTS101-600A series and LTS101-700D-2 turboshaft engines, and LTP101-600A-1A and LTP101-700A-1A turboprop engines with power turbine blades, part number (P/N) 4-141-084-06, installed. That proposed AD would have…
- Dec 21, 2009
Airworthiness Directives; Honeywell International LTS101-600A Series and LTS101-700D-2 Turboshaft Engines and LTP101-600A-1A, and LTP101-700A-1A Turboprop Engines
The FAA proposes to adopt a new airworthiness directive (AD) for Honeywell International LTS101-600A series and LTS101-700D-2 turboshaft engines and LTP101-600A-1A, and LTP101-700A-1A turboprop engines with power turbine blades, part number (P/N) 4-141-084-06, installed. This proposed AD would require removing power t…
- Nov 30, 2009
Airworthiness Directives; Honeywell International Inc. LTS101 Series Turboshaft and LTP101 Series Turboprop Engines
The FAA is adopting a new airworthiness directive (AD) for Honeywell International Inc. LTS101 series turboshaft and LTP101 series turboprop engines with certain gas generator turbine discs installed. This AD requires reducing the life limits for certain gas generator turbine discs. This AD results from an error in a…
- Mar 31, 2009
Airworthiness Directives; Air Tractor, Inc. Models AT-400, AT-401, AT-401B, AT-402, AT-402A, and AT-402B Airplanes
We are adopting a new airworthiness directive (AD) to revise AD 2006-08-08, which applies to certain Air Tractor, Inc. (Air Tractor) Models AT-400, AT-401, AT-401B, AT-402, AT-402A, and AT-402B airplanes. AD 2006-08-08 currently requires you to repetitively eddy current inspect the wing lower spar cap in order to reac…
- Dec 24, 2008
Airworthiness Directives; Air Tractor, Inc. Models AT-200, AT-300, AT-400, AT-500, AT-600, and AT-800 Series Airplanes
We are adopting a new airworthiness directive (AD) to supersede AD 2008-11-17, which applies to certain Air Tractor, Inc. Models AT-200, AT-300, AT-400, AT-500, AT-600, and AT-800 series airplanes. AD 2008-11-17 currently requires you to install an overturn skid plate kit or a modification to the overturn skid plate a…
- Dec 10, 2008
Airworthiness Directives; Air Tractor, Inc., Models AT-400, AT-401, AT-401B, AT-402, AT-402A, and AT-402B Airplanes
We propose to revise Airworthiness Directive (AD) 2006-08-08, which applies to certain Air Tractor, Inc. (Air Tractor), Models AT- 400, AT-401, AT-401B, AT-402, AT-402A, and AT-402B airplanes. AD 2006- 08-08 currently requires you to repetitively eddy current inspect the wing lower spar cap in order to reach the safe…
- Oct 23, 2008
Airworthiness Directives; Air Tractor, Inc. Models AT-200, AT-300, AT-400, AT-500, AT-600, and AT-800 Series Airplanes
We propose to supersede Airworthiness Directive (AD) 2008-11- 17, which applies to certain Air Tractor, Inc. Models AT-200, AT-300, AT-400, AT-500, AT-600, and AT-800 series airplanes. AD 2008-11-17 currently requires you to install an overturn skid plate kit or a modification to the overturn skid plate already instal…
- Sep 25, 2008
Airworthiness Directives; Honeywell International Inc. LTS101 Series Turboshaft and LTP101 Series Turboprop Engines
The FAA proposes to adopt a new airworthiness directive (AD) for Honeywell International Inc. LTS101 series turboshaft and LTP101 series turboprop engines with certain gas generator turbine discs installed. This proposed AD would require reducing the life limits for certain gas generator turbine discs. This proposed A…
- Jun 2, 2008
Airworthiness Directives; Air Tractor, Inc. AT-200, AT-300, AT-400, AT-500, AT-600, and AT-800 Series Airplanes
We are adopting a new airworthiness directive (AD) to supersede AD 2002-25-09, which applies to certain Air Tractor, Inc. (Air Tractor) AT-250, AT-300, AT-400, and AT-500 series airplanes. AD 2002-25-09 currently requires you to install an overturn skid plate in the cockpit area. Since we issued AD 2002-25-09, we rece…
- Apr 28, 2008
Airworthiness Directives; Air Tractor, Inc. Models AT-300, AT-301, AT-302, AT-400, and AT-400A Airplanes
The FAA is adopting a new airworthiness directive (AD) to supersede AD 2003-06-01, which applies to all Air Tractor, Inc. (Air Tractor) Models AT-300, AT-301, AT-302, and AT-400A airplanes that have aluminum spar caps; certain Air Tractor Models AT-400 airplanes that have aluminum spar caps; and all Models AT-300 and…
- Mar 3, 2008
Airworthiness Directives; Air Tractor, Inc. AT-200, AT-300, AT-400, AT-500, AT-600, AT-800 Series Airplanes
We propose to supersede Airworthiness Directive (AD) 2002-25- 09, which applies to certain Air Tractor, Inc. (Air Tractor) AT-250, AT-300, AT-400, and AT-500 series airplanes. AD 2002-25-09 currently requires you to install an overturn skid plate in the cockpit area. Since we issued AD 2002-25-09, we received a report…
- Nov 9, 2006
Airworthiness Directives; Air Tractor, Inc. Model AT-602 Airplanes
The FAA adopts a new airworthiness directive (AD) for all Air Tractor, Inc. (Air Tractor) Model AT-602 airplanes. This AD requires you to repetitively inspect (using the eddy current method) the wing center splice joint two outboard fastener holes on both of the wing main spar lower caps for fatigue cracking; repair o…
- Aug 9, 2006
Airworthiness Directives; Air Tractor, Inc. Model AT-602 Airplanes
The FAA proposes to revise an earlier proposed airworthiness directive (AD) that applies to all Air Tractor, Inc. (Air Tractor) Model AT-602 airplanes. The earlier NPRM would have required you to repetitively inspect (using the eddy current method) the wing center splice joint two outboard fastener holes on both of th…
- Aug 9, 2006
Airworthiness Directives; Air Tractor, Inc. Models AT-501, AT-502, AT-502A, AT-502B, and AT-503A Airplanes
The FAA proposes to revise an earlier proposed airworthiness directive (AD) that applies to certain Air Tractor, Inc. (Air Tractor) Models AT-502, AT-502A, AT-502B, and AT-503A airplanes, which proposes to supersede AD 2002-26-05. AD 2002-26-05 lowers the safe life for the wing lower spar caps for Models AT-502, AT-50…
- Sep 9, 2005
Airworthiness Directives; Goodrich De-icing and Specialty Systems “FASTprop” Propeller De-icers
The FAA is adopting a new airworthiness directive (AD) for Goodrich De-icing and Specialty Systems "FASTprop" propeller de- icers, part numbers P4E1188 series, P4E1601 series, P4E2200 series, P4E2271-10, P4E2575-7, P4E2575-10, P4E2598-10, P5855BSW, P6199SW, P6592SW, P6662SW, and P6975-11, installed. This AD requires i…
- Jul 14, 2005
Airworthiness Directives; Hartzell Propeller Inc. Models HC-B3TN-2, HC-B3TN-3, HC-B3TN-5, HC-B3MN-3, HC-B4TN-3, HC-B4TN-5, HC-B4MN-5, HC-B4MP-3, HC-B4MP-5, and HC-B5MP-3 Propellers
The FAA is adopting a new airworthiness directive (AD) for Hartzell Propeller Inc. models HC-B3TN-2, HC-B3TN-3, HC-B3TN-5, HC- B3MN-3, HC-B4TN-3, HC-B4TN-5, HC-B4MN-5, HC-B4MP-3, HC-B4MP-5, and HC- B5MP-3 propellers, installed with propeller mounting bolts, part number (P/N) B-3339. This AD requires initial and repeti…
- Jun 22, 2005
Airworthiness Directives; Air Tractor, Inc. Models AT-300, AT-301, AT-302, AT-400, AT-400A, AT-401, AT-402, AT-602, AT-802, and AT-802A Airplanes
The FAA adopts a new airworthiness directive (AD) for certain Air Tractor, Inc. (Air Tractor) Models AT-300, AT-301, AT-302, AT-400, AT-400A, AT-401, AT-402, AT-602, AT-802, and AT-802A airplanes. This AD requires you to repetitively tighten the four eyebolts that attach the front and rear spar of the horizontal stabi…
- Apr 6, 2005
Airworthiness Directives; Goodrich De-icing and Specialty Systems “FASTprop” Propeller De-icers
The FAA proposes to adopt a new airworthiness directive (AD) for Goodrich De-icing and Specialty Systems "FASTprop" propeller de- icers, part numbers P4E1188 series, P4E1601 series, P4E2200 series, P4E2271-10, P4E2575-7, P4E2575-10, P4E2598-10, P5855BSW, P6199SW, P6592SW, P6662SW, and P6975-11, installed. This propose…
- Mar 4, 2005
Airworthiness Directives; Air Tractor, Inc. Models AT-300, AT-301, AT-302, AT-400, AT-400A, AT-401, AT-402, AT-602, AT-802, and AT-802A Airplanes
The FAA proposes to adopt a new airworthiness directive (AD) for certain Air Tractor, Inc. (Air Tractor) Models AT-300, AT-301, AT-302, AT-400, AT-400A, AT-401, AT-402, AT-602, AT-802, and AT-802A airplanes. This proposed AD would require you to repetitively tighten the four eyebolts that attach the front and rear spa…
- Mar 19, 2003
Airworthiness Directives; Air Tractor, Inc. Models AT-300, AT-301, AT-302, AT-400, and AT-400A Airplanes
This amendment supersedes Airworthiness Directive (AD) 2002- 13-02, which applies to all Air Tractor, Inc. (Air Tractor) Models AT- 300, AT-301, AT-302, and AT-400A airplanes that have aluminum spar caps; certain Air Tractor Models AT-400 airplanes that have aluminum spar caps; and all Models AT-300 and AT-301 airplan…
- Dec 23, 2002
Airworthiness Directives; Air Tractor, Inc. Models AT-250, AT-300, AT-301, AT-302, AT-400, AT-400A, AT-401, AT-401A, AT-402, AT-402A, AT-501, AT-502, and AT-502A Airplanes
This amendment adopts a new airworthiness directive (AD) that applies to certain Air Tractor, Inc. (Air Tractor) Models AT-250, AT- 300, AT-301, AT-302, AT-400, AT-400A, AT-401, AT-401A, AT-402, AT-402A, AT-501, AT-502, and AT-502A airplanes. This AD requires you to install an overturn skid plate in the cockpit area.…
- Aug 29, 2002
Airworthiness Directives; Air Tractor, Inc. Models AT-250, AT-300, AT-301, AT-302, AT-400, AT-400A, AT-401, AT-401A, AT-402, AT-402A, AT-501, AT-502, and AT-502A Airplanes
This document proposes to adopt a new airworthiness directive (AD) that would apply to certain Air Tractor, Inc. (Air Tractor) Models AT-250, AT-300, AT-301, AT-302, AT-400, AT-400A, AT-401, AT-401A, AT- 402, AT-402A, AT-501, AT-502, and AT-502A airplanes. This proposed AD would require you to install an overturn skid…
PMA replacement parts · 6 on file
- SMR6975-11#https://drs.faa.gov/browse/excelExternalWindow/F027851157759E758625785E006187CD.0001## Electrical De-Icer B/E Aerospace Inc, DBA, SMR Technologies Inc replaces Goodrich 6975-11, Hartzell H6975-11
- SMR6975-11#https://drs.faa.gov/browse/excelExternalWindow/4A943AF6A686755A8625782300590116.0001## Electrical De-Icer B/E Aerospace Inc, DBA, SMR Technologies Inc replaces Goodrich 6975-11, Hartzell H6975-11
- NOHIPOT#https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID179508626520240320173402.0001## Decal Augusta Aero Innovations LLC replaces 06-201020
- 5735#https://drs.faa.gov/browse/excelExternalWindow/A0F44F6B08E010BD86257065006C8E34.0001## Propeller De-Icer UTC Aerospace Systems, Goodrich Sensors & Integrated Systems replaces Modification Part
- 6975-11#https://drs.faa.gov/browse/excelExternalWindow/3AB501C3FA1D6F3186257065006CC462.0001## Propeller De-Icer UTC Aerospace Systems, Goodrich Sensors & Integrated Systems replaces Modification Part
- 5906-13SA2#https://drs.faa.gov/browse/excelExternalWindow/251546C931F2A4398525703D005E0B7E.0001## Isolator Hutchinson Aerospace & Industry Inc replaces Air Tractor 5906-13SA2
Advisory circulars & Federal Register
Advisory circulars
No ACs explicitly mention this type. Showing universal operating-rule ACs that apply to all aircraft.
Recent Federal Register · Parts 91 & 43
- 2026-09-14 Use of Certain Restricted Category Aircraft for the Transport of Firefighters for Wildfire Suppression FR ↗
- 2026-07-31 Requirements for Interference-Tolerant Radio Altimeter Systems FR ↗
- 2026-07-02 Enabling Supersonic Overland Flight FR ↗
- 2026-07-01 Mechanic Certification: Inspection Rating and Recent Experience Requirements FR ↗
- 2026-06-30 Designation-Restrict the Operation of Unmanned Aircraft in Close Proximity to a Fixed Site Facility; Extension of Comment Period FR ↗
Registered N-numbers · 1
| N-number | St | Year | NTSB | FAA |
|---|---|---|---|---|
| N550BH | IL | — | · | Look up ↗ |
Source — FAA Aircraft Registry
Sources
- FAA Aircraft Registry ↗ Refreshed Apr 27, 2026 Available
- NTSB CAROL ↗ Refreshed Jun 10, 2026 Available
- Federal Register (FAA Airworthiness Directives) ↗ Refreshed Apr 27, 2026 Available