- Effective
- August 13, 1974
- Model
- 107-II
- Data sheet
- TCDS1H16
- Registered aircraft
- 12 matched by model
- Product
- Aircraft · Rotorcraft
- Amendment
- 39-1915
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 | 19 KB | 75e9770a…0f77818 | FAA DRS (API key needed) |
On this page
The airworthiness directive
74-17-02 VERTOL: Amendment 39-1915. Applies to Vertol Model 107-II type helicopters certificated in all categories.
1. Prior to the next flight after the effective date of this AD, unless already accomplished, an inspection program for the rotor blades which has been approved by the Chief, Engineering and Manufacturing Branch, FAA, Eastern Region, subsequent to March 28, 1974 must be initiated.
2. An acceptable program is one afforded by forward and aft rotor blades altered, inspected and maintained in accordance with Boeing Vertol Service Bulletin 107-329 or later FAA approved revisions. The visual checks of the rotor blade pressure indicator required by paragraph 2 of this AD may be performed by the pilot.
This amendment is effective August 13, 1974.
Affected TCDS · 1
The type certificate data sheets for the models this AD names, matched by model and maker.
Registered aircraft · 12
Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.
| 1962 | 5 |
|---|---|
| 1963 | 1 |
| 1964 | 3 |
| 1965 | 1 |
2 with no year recorded