# Airworthiness Directives; Fire Fighting Enterprises Limited Portable Halon 1211 Fire Extinguishers as Installed on Various Transport Airplanes, Small Airplanes, and Rotorcraft
> **Rule** · Final rule; request for comments. · Published 2010-01-05 · Effective 2010-01-20 · 75 FR 221
## Document
- **Document number:** E9-31134
- **Category:** airworthiness
- **Manufacturer:** Fire Fighting Enterprises Limited Portable Halon 1211 Fire Extinguishers as Installed on Various Transport
- **Type:** Rule
- **Action:** Final rule; request for comments.
- **Citation:** 75 FR 221
- **Publication date:** 2010-01-05
- **Effective date:** 2010-01-20
- **FAA docket:** Docket No. FAA-2009-1225
## Abstract

We are adopting a new airworthiness directive (AD) for the products listed above. This AD results from mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as:

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2010/01/05/E9-31134/airworthiness-directives-fire-fighting-enterprises-limited-portable-halon-1211-fire-extinguishers-as)
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