- Effective
- November 8, 1960
- Models
- 42A, 42B, 44A, 44B
- Data sheet
- TCDS1H12
- Product
- Aircraft · Rotorcraft
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.
| File | Size | SHA-256 | Original |
|---|---|---|---|
| FAA DRS HTML | 18 KB | e920106c…bec9900 | FAA DRS (API key needed) |
On this page
The airworthiness directive
60-23-05 VERTOL: Amdt. 218 Part 507 Federal Register November 8, 1960. Applies to All 42 and 44 Series Helicopters.
Compliance required as indicated.
As a result of a recent fatigue failure of the lower directional bellcrank assembly, P/N 22C1611-13, all Vertol parts P/N 22C1611-13 must be retired upon the accumulation of 2,500 hours of time in service.
This directive effective November 8, 1960.
Affected TCDS · 1
The type certificate data sheets for the models this AD names, matched by model and maker.
Registered aircraft
No registered aircraft matched this AD’s modelsForeign aircraft aren’t included, and ADs on propellers and appliances aren’t matched by model.