N4223F is not currently registered. It was last assigned to an Air Tractor Inc AT-401B. The FAA cancelled the registration on February 13, 2018. The last status on file was "registration expired, pending cancellation". The number has been on and off the register 2 times.
Air Tractor Inc AT-401B cancelled February 13, 2018
- Serial number
- 401B-1208
- Type
- Fixed-wing, single engine · Turboprop
- Year built
- —
- Last status
- Registration expired, pending cancellation
- Certificate issued
- November 10, 2008
- Last FAA action
- November 8, 2012
- Last owner
- Frontier AG INC (Corporation)
Oakley, KS - Airworthiness
- None on file
Cessna 172 cancelled November 1, 2001
- Serial number
- 46123
- Type
- Fixed-wing, single engine · Piston (reciprocating)
- Year built
- 1958
- Last status
- Valid registration
- Certificate issued
- August 18, 1997
- Last FAA action
- September 26, 2000
- Last owner
- Krebs Ernest S (Individual)
Rapid City, SD - Airworthiness
- Multiple · Standard; Restricted; Aerial advertising
NTSB accident and incident record under N4223F
Aircraft on the NTSB record: Air Tractor INC AT 401B · serial 401B-1208
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.
Aircraft on the NTSB record: Cessna 172 · serial 17246123
the pilot's VFR flight into instrument meteorological conditions, and his subsequent failure to maintain terrain clearance, which resulted in an in-flight collision with terrain. Contributing factors were the pilot's failure to obtain a weather briefing, low ceilings, snow, high winds, and dark night light conditions.
A tail number passes between aircraft over the years; match the serial number on the NTSB record against the airframe above. Source: NTSB aviation accident database, records through September 30, 2026.
Source: FAA Civil Aviation Registry, Releasable Aircraft Database, October 2, 2026. See this number on the FAA site