- Registered owner
- Classic Rotors Museum
- Location
- Ramona, CA
- Owner type
- Corporation
- Serial number
- 6704
- Type
- Rotorcraft
- Engine
- Turbo-prop
- Airworthiness
- Multiple
- Airworthiness date
- August 18, 1972
- Certificate issued
- April 27, 2026
- Expires
- April 30, 2033
- Mode S code
- A4C98D
From the FAA registry file of October 24, 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 · 3
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
No reports matched to N4074GGeneral 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 Bell 47G-3B-2 aircraft
STCs that may be installed · 130
Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do.
See all 130 STCs