- Models
- 47B, 47B3
- Data sheet
- TCDSH-1
- Registered aircraft
- 1 matched by model
- 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 | f400c6f1…5f34d4a | FAA DRS (API key needed) |
On this page
The airworthiness directive
47-32-10 BELL: (Was Mandatory Note 10 of AD-1H-1.) Applies to Models 47B and 47B3 Helicopters.
Compliance required at the next 50-hour transmission teardown inspection.
Replace the main rotor mast assembly with mast assembly, 47-130-100-2.
(Bell Service Bulletin 47C24, dated June 26, 1947, also covers this same subject.)
Affected TCDS · 1
The type certificate data sheets for the models this AD names, matched by model and maker.
Registered aircraft · 1
Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.