Proposed airworthiness directive · Airworthiness Directives; Bell Helicopter Textron, Inc. Model 47B, 47B-3, 47D, 47D-1, 47G, 47G-2, 47G-2A, 47G-2A-1, 47G-3, 47G-3B, 47G-3B-1, 47G-3B-2, 47G-3B-2A, 47G-4, 47G-4A, 47G-5, 47G-5A, 47H-1, 47J, 47J-2, 47J-2A, and 47K Helicopters
- Published
- May 20, 1997 · 62 FR 27554
- Comments due
- July 21, 1997
- Action
- Notice of proposed rulemaking (NPRM)
- Became
- AD98-07-09
- Docket
- 96-SW-28-AD
- FR document
- 97-13083
A proposal is not in force. If adopted, it becomes an AD, usually with changes. Only the Federal Register edition is official.