- Effective
- August 18, 1975
- Models
- BO-105A, BO-105C
- Data sheet
- TCDSH3EU
- Registered aircraft
- 4 matched by model
- Product
- Aircraft · Rotorcraft
- Amendment
- 39-2315
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 | 20 KB | 6a5e17fa…07d2261 | FAA DRS (API key needed) |
On this page
The airworthiness directive
75-17-13 MESSERSCHMITT-BOLKOW-BLOHM.: Amendment 39-2315. Applies to Messerschmitt-Bolkow-Blohm (MBB) Models BO-105A and BO-105C helicopters, certificated in all categories, incorporating tail rotor blade P/N 105-31742, Serial Numbers 548 and lower. Compliance is required within the next 100 hours' time in service after the effective date of this AD, unless already accomplished in accordance with MBB BO-105 Service Bulletin No. 30-8. To prevent failure of the tail rotor blade tip cap, inspect tail rotor blades for condition, modify as prescribed, and return to service, in accordance with paragraph 2 of MBB BO-105 Service Bulletin No. 30-8, dated July 5, 1974, or an equivalent approved by the Chief, Aircraft Certification Staff, FAA, Europe, Africa, and Middle East Region. This amendment becomes effective August 18, 1975.
Affected TCDS · 1
The type certificate data sheets for the models this AD names, matched by model and maker.
Registered aircraft · 4
Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.
| 1973 | 1 |
|---|---|
| 1974 | 1 |
2 with no year recorded