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Aircraft record

N4223FAir Tractor INC AT-401B

DeregisteredUnclaimedSource: FAA, updated Oct 20, 2026

This N-number isn't registered right now. Below is its last known registration, canceled Feb 13, 2018.

Safety record in brief:1 NTSB accident (substantial damage, Jul 2014)3 ADs may apply

Registration
Deregistered
Last based in
Oakley, KS
owner city / state
Owners
1
since 2008
NTSB events
1
substantial, 2014
ADs may apply
3
confirm with A&P
Service reports
0
since 1995

Registration

FAA Aircraft Registry · Oct 20, 2026
Last registered owner
Frontier Ag INC
Owner type
Corporation
City, state
Oakley, KS
Certificate issued
Nov 10, 2008
Canceled
Feb 13, 2018

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 data

Airframe

Manufacturer
Air Tractor INC
Model
AT-401B
Serial number
401B-1208
Aircraft type
Fixed wing single engine
Category
Land
Certification
Type Certificated
Seats
1
Engines
1
Max takeoff weight
Up to 12,499 lb
Type certificate data sheet
A17SW
Mode S code
A505D4

Engine

Type
Turbo-prop

Total time and engine hours aren't public. They appear here once the owner adds logbooks.

Ownership history

Ownership history from FAA records
  1. 2008 – 2018Frontier Ag INCOakley, KS
  2. 1997 – 2001Individual ownerRapid City, SD · different airframe: 1958 Cessna 172 S/N 46123

Individual owners are shown by city and state only.

Safety record

NTSB · Oct 15, 2026 · FAA ADs · Oct 20, 2026 · SDRs · Oct 16, 2026

NTSB events (1)

Accident · substantial damage

Jul 18, 2014 · Ellis, KS

The noninstrument-rated pilot’s inadequate preflight weather planning and subsequent inadvertent encounter with instrument meteorological conditions, which resulted in spatial disorientation and the loss of airplane control. Contributing to the accident was the pilot’s decision to continue the flight in deteriorating weather conditions.

Damage
Substantial
Injuries
Fatal
Report
CEN14LA376

From NTSB records; matched by serial number.Read NTSB report (search CAROL for CEN14LA376)

Accident history for this model

ADs published since 1998 that may apply (3)

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.

ADSubjectEffectiveApplies to
2021-05-14Air Tractor, Inc., AirplanesApr 29, 2021Airframe (AT-401B)
2002-11-05Air Tractor, Inc. Models AT-400, AT-401, AT-401B, AT-402, AT-402A, AT-402B, AT-501…Jul 12, 2002Airframe (AT-401B)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.
98-25-01Air Tractor, Inc. AT-300, AT-400, and AT-500 Series AirplanesJan 19, 1999Airframe (AT-401B)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.

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.

Related aircraft

Show all 8 related aircraft
All 17 registered Air Tractor INC AT-401B aircraft

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

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