- Registered owner
- Ski Ag Aviation LLC
- Location
- Bismarck, ND
- Owner type
- LLC
- Serial number
- 402B-1228
- Year built
- 2010
- Type
- Fixed wing single engine
- Engine
- Turbo-prop
- Airworthiness
- Restricted, agriculture and pest control, forest
- Airworthiness date
- May 21, 2010
- Certificate issued
- June 4, 2015
- Expires
- June 30, 2028
- Mode S code
- A4F0D2
From the FAA registry file of October 24, 2026.
On this page
Airworthiness directives that may apply · 17
Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.
| 1970 | 1 |
|---|---|
| 1980 | 1 |
| 1990 | 1 |
| 1996 | 1 |
| 1997 | 1 |
| 1999 | 1 |
| 2001 | 2 |
| 2002 | 3 |
| 2003 | 1 |
| 2004 | 1 |
| 2005 | 1 |
| 2006 | 1 |
| 2008 | 3 |
| 2009 | 3 |
| 2011 | 2 |
| 2014 | 1 |
| 2021 | 1 |
Airframe · Air Tractor AT-402B
AD 2021-05-14TE flap control systemAD 2009-11-05Cracks in the engine mountAD 2006-08-08 R1Wing lower spar capInformation bulletins that may apply · 7
Advisory, not mandatory.
Airframe · Air Tractor AT-402B
SAIB CE-18-06Flight Controls, Rudder Control SystemSAIB CE-16-27Flight Controls, Trailing Edge (TE) Flap Control SystemSAIB CE-16-10Stabilizers, Rudder StructureSAIB CE-11-57Powerplant, Engine Mount SectionSAIB CE-11-41Fuselage, Wing Attach FittingsSAIB CE-11-30Aircraft StructuresEngine · Pratt & Whitney Canada PT6A-15AG
SAIB NE-12-04Turbine/ Turboprop Engine: Reduction GearboxNTSB investigations · 1
Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.
FAA incident reports · 1
FAA accident and incident reports matched to this aircraft by N-number and event date, checked against the reported make and model.
Service difficulty reports
STCs that may be installed · 69
Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do.
Earlier aircraft with this N-number · 2
These aircraft carried N4172U before the one registered now. The FAA can assign a mark to another aircraft once a registration is cancelled.