- Registered owner
- Bank Of Utah Trustee
- Location
- Salt Lake City, UT
- Owner type
- Corporation
- Serial number
- 504-4057
- Year built
- 2025
- Type
- Fixed wing single engine
- Engine
- Turbo-prop
- Airworthiness
- Restricted, agriculture and pest control, forest
- Airworthiness date
- October 15, 2025
- Certificate issued
- January 9, 2026
- Expires
- January 31, 2033
- Mode S code
- A125EA
Air Tractor AT-504TCDS A17SWAirframe · Air Tractor AT-504TCDS E4EAEngine · Pratt & Whitney Canada PT6A-34AG
From the FAA registry file of October 24, 2026.
On this page
Airworthiness directives that may apply · 9
Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.
| 1980 | 1 |
|---|---|
| 1990 | 1 |
| 1997 | 1 |
| 2002 | 1 |
| 2011 | 2 |
| 2014 | 1 |
| 2021 | 1 |
| 2022 | 1 |
Airframe · Air Tractor AT-504
AD 2021-05-14TE flap control systemEngine · Pratt & Whitney Canada PT6A-34AG
AD 2022-08-13Turbine SectionAD 2014-11-05Reinforcement liner to the power turbine (PT) containment ring and, for certain PT containment rings, adding scallopsAD 2011-25-12Sun gearAD 2011-20-51GearsEmergency ADAD 2002-23-13Turbine Exhaust DuctsAD 97-04-12Compressor Bleed-off ValveAD 90-12-05Engine OverhaulAD 80-08-12Fuel Pump Drive Coupling SplinesInformation bulletins that may apply · 5
Advisory, not mandatory.
Airframe · Air Tractor AT-504
SAIB CE-18-06Flight Controls, Rudder Control SystemSAIB CE-16-27Flight Controls, Trailing Edge (TE) Flap Control SystemSAIB CE-11-41Fuselage, Wing Attach FittingsSAIB CE-11-30Aircraft StructuresEngine · Pratt & Whitney Canada PT6A-34AG
SAIB NE-12-04Turbine/ Turboprop Engine: Reduction GearboxNTSB investigations
No NTSB investigations matched to N173SHMatched 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-504 aircraft
FAA incident reports
No FAA accident or incident reports matched to N173SHMatched 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-504 aircraft
Service difficulty reports
No reports matched to N173SHGeneral 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-504 aircraft
STCs that may be installed · 42
Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do.