N144KS1986 Air Tractor INC AT-400
Registration validUnclaimedSource: FAA, updated Oct 20, 2026
Safety record in brief:No NTSB accidents or incidents since 19827 ADs may apply
Registration
FAA Aircraft Registry · Oct 20, 2026- Registered owner
- Aas LLC
- Owner type
- LLC
- City, state
- Ovid, MI
- Certificate issued
- Aug 28, 2008
- Expires
- Jan 31, 2028
- Airworthiness
- Restricted · Agriculture and Pest Control
- Airworthiness date
- Jan 20, 1986
We never show street addresses, even though they appear in the public FAA file. Individual owners are shown by city and state only.
Airframe & engine
FAA Registry + type dataAirframe
- Manufacturer
- Air Tractor INC
- Model
- AT-400
- Year
- 1986
- Serial number
- 400-0640
- Aircraft type
- Fixed wing single engine
- Category
- Land
- Certification
- Type Certificated
- Seats
- 1
- Engines
- 1
- Max takeoff weight
- Up to 12,499 lb
- Mode S code
- A0B27E
Engine
- Make and model
- P&W Pt6a Series
- Type
- Turbo-prop
- Power
- 500 hp
Total time and engine hours aren't public. They appear here once the owner adds logbooks.
Ownership history
Ownership history from FAA records- 2008 – nowAas LLCOvid, MI · current
Individual owners are shown by city and state only.
Safety record
NTSB · Oct 15, 2026 · FAA ADs · Oct 20, 2026 · SDRs · Oct 16, 2026NTSB events (0)
No NTSB accidents or incidents found for this airframe since 1982.
Accident history for this modelADs published since 1998 that may apply (7)
These match the airframe or engine model. Whether each one applies, and whether it's been complied with, depends on serial numbers, equipment and logbook entries. Applicability must be confirmed by a mechanic against the aircraft's records.
| AD | Subject | Effective | Applies to |
|---|---|---|---|
| 2021-05-14 | Air Tractor, Inc., Airplanes | Apr 29, 2021 | Airframe (AT-400) |
| 2009-11-05 | Air Tractor, Inc. Models AT-400, AT-400A, AT-402, AT-402A, AT-402B, AT-502, AT-502A… | Jun 1, 2009 | Airframe (AT-400)Certain serial numbers: AT-400 -0001–-1175; AT-400A -0001–-1175; AT-402 -0001–-1175; AT-402A -0001–-1175; AT-402B -0001–-1175; AT-502 -0001–-2597; … |
| 2008-09-10 | Air Tractor, Inc. Models AT-300, AT-301, AT-302, AT-400, and AT-400A Airplanes | May 8, 2008 | Airframe (AT-400)Certain serial numbers: AT-400 400-0244–400-0415. Only with: Airplanes that have aluminum spar caps (including AT-300 and AT-301 airplanes converted to turbine power). |
| 2002-25-09 | Air Tractor, Inc. Models AT-250, AT-300, AT-301, AT-302, AT-400, AT-400A, AT-401… | Feb 10, 2003 | Airframe (AT-400)Certain serial numbers: AT-250 …–0829; AT-300 …–0829; AT-301 …–0829; AT-302 …–0829; AT-400 …–0829; AT-400A …–0829; … |
| 2002-11-05 | Air Tractor, Inc. Models AT-400, AT-401, AT-401B, AT-402, AT-402A, AT-402B, AT-501… | Jul 12, 2002 | Airframe (AT-400)Certain serial numbers: AT-400 0416–on; AT-401 0662–0951; AT-401B 0952–1014; AT-401B 1015; AT-401B 1016–1020; AT-401B 1021–1124; …. Only with: AT-802 and AT-802A airplanes equipped with factory-supplied P/N 80540 computerized fire gate are excluded; winglet usage factors apply to airplanes with Marburger Enterprises winglets per STC SA00490LA. |
Show all 7 ADsShow fewer ADs
| AD | Subject | Effective | Applies to |
|---|---|---|---|
| 98-25-01 | Air Tractor, Inc. AT-300, AT-400, and AT-500 Series Airplanes | Jan 19, 1999 | Airframe (AT-400)Certain serial numbers: AT-300, AT-301, AT-302, AT-400, AT-400A, AT-401, AT-401A, AT-401B, AT-402, AT-402A, AT-402B 300-0001–401B-1063; AT-501, AT-502, AT-502A, AT-502B, AT-503A 502-0001–502B-0500. Only with: Airplanes that do not have P/N 70975-1 flap actuator overtravel stop installed per Snow Engineering Co. Service Letter #165, dated May 15, 1998. |
| 96-24-08 | Air Tractor, Inc. Models AT-250, AT- 300, AT-301, AT-302, AT-400, AT-400A, AT-401… | Dec 23, 1996 | Airframe (AT-400)Certain serial numbers: AT-250 250-0491; AT-300 300-0001–300-0708; AT-301 301-0001–301-0708; AT-302 302-0001–302-0708; AT-400 400-0001–400-0708; AT-400A 400A-0001–400A-0708; …. Only with: Equipped with a Gerdes P/N A-850-5 or Cleveland P/N 60-9 parking brake valve. |
AI-extracted — verify against original. Matched from each AD's applicability section; ADs replaced by a later AD are left out.
Service Difficulty Reports (0)
No Service Difficulty Reports found for this airframe since 1995.
Sources
- FAA Aircraft RegistryRegistration, owner city and state, airframe, engineupdated Oct 20, 2026
- NTSB accident and incident databaseAccidents and incidents since 1982updated Oct 15, 2026
- FAA Airworthiness Directives (Federal Register)ADs published since 1998updated Oct 20, 2026
- FAA Service Difficulty ReportsReports since 1995updated Oct 16, 2026