- Registered owner
- Mountain 47 LLC
- Location
- Boulder, CO
- Owner type
- LLC
- Serial number
- 6754
- Type
- Rotorcraft
- Engine
- Turbo-prop
- Certificate issued
- January 22, 2021
- Expires
- January 31, 2028
- Mode S code
- A26F6D
From the FAA registry file of October 20, 2026.
On this page
Airworthiness directives that may apply · 42
Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.
| 1961 | 1 |
|---|---|
| 1962 | 1 |
| 1963 | 1 |
| 1965 | 1 |
| 1971 | 1 |
| 1972 | 1 |
| 1973 | 1 |
| 1974 | 2 |
| 1976 | 1 |
| 1977 | 1 |
| 1978 | 1 |
| 1979 | 1 |
| 1980 | 2 |
| 1981 | 3 |
| 1985 | 2 |
| 1987 | 1 |
| 1991 | 1 |
| 1996 | 1 |
| 1998 | 1 |
| 2000 | 1 |
| 2001 | 1 |
| 2005 | 1 |
| 2009 | 1 |
| 2021 | 1 |
| 2023 | 2 |
See all 45 ADs
Information bulletins that may apply
Advisory, not mandatory.
No bulletins matched this aircraft’s models
NTSB investigations
No NTSB investigations matched to N256SWMatched by N-number and event date. Investigations from before this aircraft carried the mark are under Earlier aircraft. Investigations on Bell 47G-3B-2 aircraft
FAA incident reports
No FAA accident or incident reports matched to N256SWMatched by N-number and event date. Reports from before this aircraft carried the mark are under Earlier aircraft. Reports on Bell 47G-3B-2 aircraft
Service difficulty reports
No reports filed for N256SWGeneral aviation reporting is voluntary. Reports on Bell 47G-3B-2 aircraft