- Effective
- January 14, 1966
- Models
- 269A, 269A-1, 269B
- Data sheet
- TCDS4H12
- Registered aircraft
- 134 matched by model
- Product
- Aircraft · Rotorcraft
- Amendment
- 39-181
Unofficial copy of the text in the FAA’s Dynamic Regulatory System. The FAA’s own copy is the authoritative one. DRS record last changed May 30, 2024.
Copies of the files this page was built from, with their SHA-256. Retrieved October 18, 2026.
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On this page
The airworthiness directive
66-03-02 HUGHES: Amdt. 39-181, Part 39, Federal Register January 14, 1966. Applies to Models 269A, 269A-1, and 269B Helicopters.
Compliance required within the next 100 hours' time in service after the effective date of this AD, unless already accomplished.
To eliminate a possible navigational hazard, accomplish the following:
(a) On helicopters with the 12-volt electrical system, remove the existing tail position light bulb and replace it with General Electric No. 1777 bulb or FAA-approved equivalent.
(b) On helicopters with the 24-volt electrical system, remove the existing bulb and replace it with a Grimes No. 1683 bulb or FAA-approved equivalent.
(Hughes Service Notices Nos. 2A-54 (269A), 2A-1-21 (269A-1 and (2B-22), (269B) dated October 28, 1965, pertain to this same modification.)
This directive effective January 14, 1966.
Affected TCDS · 1
The type certificate data sheets for the models this AD names, matched by model and maker.
Registered aircraft · 134
Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.
| 1952 | 1 |
|---|---|
| 1961 | 2 |
| 1962 | 10 |
| 1963 | 12 |
| 1964 | 17 |
| 1965 | 11 |
| 1966 | 12 |
| 1967 | 6 |
| 1968 | 8 |
| 1969 | 6 |
| 1970 | 1 |
| 1971 | 2 |
46 with no year recorded