- Registered owner
- American Airpower Heritage Flying Museum
- Location
- Dallas, TX
- Owner type
- Corporation
- Serial number
- 7689
- Year built
- 1969
- Type
- Rotorcraft
- Engine
- Turbo-shaft
- Airworthiness
- Multiple
- Airworthiness date
- May 17, 1972
- Certificate issued
- July 12, 2017
- Expires
- July 31, 2027
- Mode S code
- A6FF55
From the FAA registry file of October 24, 2026. The registry lists only the engine series, so ADs for every Lycoming VO-540 model are included below.
On this page
Airworthiness directives that may apply · 56
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 | 2 |
| 1963 | 1 |
| 1965 | 1 |
| 1967 | 1 |
| 1968 | 1 |
| 1969 | 2 |
| 1971 | 1 |
| 1972 | 1 |
| 1973 | 1 |
| 1974 | 3 |
| 1976 | 1 |
| 1977 | 2 |
| 1978 | 1 |
| 1979 | 1 |
| 1980 | 3 |
| 1981 | 3 |
| 1985 | 2 |
| 1987 | 1 |
| 1989 | 1 |
| 1991 | 1 |
| 1992 | 1 |
| 1996 | 1 |
| 1997 | 1 |
| 1998 | 1 |
| 2000 | 1 |
| 2001 | 1 |
| 2004 | 1 |
| 2005 | 1 |
| 2009 | 1 |
| 2012 | 1 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 1 |
| 2026 | 1 |
See all 60 ADs
Information bulletins that may apply · 2
Advisory, not mandatory.
NTSB investigations
No NTSB investigations matched to N55ZDMatched 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 Bell 47G-4A aircraft
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 N55ZDGeneral 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-4A aircraft
STCs that may be installed · 154
Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do.
Airframe · Bell 47G-4A
STC SA800EAInstallation of Whelen Anti-Collision, Position, or Anti-Collision/Position Light System, and applicable associated power suppliesSTC SH100WEInstallation of fiberglass baggage carriers.STC SH3319NMInstallation of Precise Flight Pulselite Control Unit in the
Landing /Taxi Recognition Visual Control Light system,