# Bell Alert Service Bulletin 412CF-11-47

Copy: Revision A ("Bell Helicopter Alert Service Bulletin - 2"), 4 pages: PDF https://openairdocs.org/files/sha256/36/3a/363afc43f1b97ece606f8e27324ef128c85137b4c350f44fd2b829a93b574671; text https://openairdocs.org/service-documents/bell/412cf-11-47/file/363afc43f1b9.md. Rights: © Bell Textron Inc. Filed by the FAA in regulations.gov docket FAA-2012-0530; AD 2012-22-11 incorporates this document by reference. Not covered by OpenAirDocs’ CC0 dedication.

## Details

- Manufacturer: [Bell](https://openairdocs.org/service-documents/bell.md)
- Type: Service bulletin (Alert Service Bulletin)
- Number: 412CF-11-47
- Latest revision known: 412CF-11-47, Revision A, dated December 12, 2011 (OpenAirDocs)
- Page: https://openairdocs.org/service-documents/bell/412cf-11-47

## ADs that cite it (1) (OpenAirDocs)

Newest first, with the revision each names, as OpenAirDocs read it from the AD's text.

- [AD 2012-22-11](https://openairdocs.org/ad/2012-22-11.md), effective Dec 20, 2012: Revision A

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain, except the copies of manufacturers’ service documents, which belong to their rights holders.