- Registered owner
- Minuteman Aviation Inc
- Location
- Missoula, MT
- Owner type
- Corporation
- Serial number
- 4156
- Year built
- 1991
- Type
- Rotorcraft
- Engine
- Turbo-shaft
- Airworthiness
- Standard, normal
- Airworthiness date
- April 15, 1991
- Certificate issued
- April 9, 1991
- Expires
- March 31, 2030
- Mode S code
- A521D9
From the FAA registry file of October 24, 2026. The registry lists only the engine series, so ADs for every Allison 250-C20 model are included below.
On this page
Airworthiness directives that may apply · 21
Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.
| 1972 | 1 |
|---|---|
| 1973 | 1 |
| 1974 | 1 |
| 1977 | 2 |
| 1979 | 1 |
| 1981 | 1 |
| 1982 | 2 |
| 1984 | 1 |
| 1989 | 1 |
| 1994 | 1 |
| 1996 | 1 |
| 1999 | 1 |
| 2001 | 1 |
| 2005 | 3 |
| 2006 | 2 |
| 2012 | 1 |
| 2015 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2022 | 1 |
Engine · Allison 250-C20 series
AD 2022-10-06Turbine SectionAD 2018-13-01Turbine GovernorAD 2006-16-04Inspection of the fuel nozzle screenInformation bulletins that may apply · 1
Advisory, not mandatory.
Engine · Allison 250-C20 series
SAIB CE-01-10NTSB 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 · 1
Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.
STCs that may be installed · 23
Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do.