- Registered owner
- Crop Air LLC
- Location
- Eaton, CO
- Owner type
- LLC
- Serial number
- 400A-0460
- Year built
- 1982
- Type
- Fixed wing single engine
- Engine
- Turbo-prop
- Airworthiness
- Restricted, agriculture and pest control
- Airworthiness date
- May 21, 1982
- Certificate issued
- March 21, 2018
- Expires
- March 31, 2028
- Mode S code
- A39A6C
From the FAA registry file of October 24, 2026. The registry lists only the engine series, so ADs for every Pratt & Whitney PT6A model are included below.
On this page
Airworthiness directives that may apply · 37
Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.
| 1968 | 1 |
|---|---|
| 1969 | 1 |
| 1970 | 1 |
| 1975 | 1 |
| 1977 | 1 |
| 1978 | 2 |
| 1980 | 2 |
| 1982 | 1 |
| 1986 | 1 |
| 1990 | 1 |
| 1992 | 2 |
| 1994 | 1 |
| 1995 | 1 |
| 1996 | 2 |
| 1997 | 2 |
| 1999 | 1 |
| 2001 | 2 |
| 2002 | 1 |
| 2003 | 3 |
| 2005 | 2 |
| 2008 | 3 |
| 2009 | 2 |
| 2011 | 2 |
| 2012 | 1 |
| 2014 | 2 |
| 2015 | 1 |
| 2016 | 1 |
| 2021 | 1 |
| 2022 | 1 |
| 2024 | 1 |
Airframe · Air Tractor AT-400A
AD 2021-05-14TE flap control systemAD 2009-11-05Cracks in the engine mountAD 2008-26-01Overturn skid plate kitInformation bulletins that may apply · 10
Advisory, not mandatory.
NTSB investigations
No NTSB investigations matched to N331KEMatched by N-number and event date, checked against the reported serial number, make and model. Investigations from before this aircraft carried the mark are under Earlier aircraft. Investigations on Air Tractor AT-400A aircraft
FAA incident reports
No FAA accident or incident reports matched to N331KEMatched by N-number and event date, checked against the reported make and model. Reports from before this aircraft carried the mark are under Earlier aircraft. Reports on Air Tractor AT-400A aircraft
Service difficulty reports
No reports matched to N331KEGeneral aviation reporting is voluntary. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Reports on Air Tractor AT-400A aircraft
STCs that may be installed · 106
Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do.
See all 106 STCs