# Airworthiness Directives; Airbus Model A300 B2 and A300 B4 (A300); Model A300 B4-600, A300 B4-600R, and A300 F4-600R (A300-600); and Model A310 Series Airplanes; Equipped With Dowty Ram Air Turbines
> **Rule** · Final rule. · Published 2001-01-18 · Effective 2001-02-22 · 66 FR 4649
## Document
- **Document number:** 01-1076
- **Category:** airworthiness
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 66 FR 4649
- **Publication date:** 2001-01-18
- **Effective date:** 2001-02-22
- **FAA docket:** Docket No. 99-NM-202-AD
## Abstract

This amendment supersedes an existing airworthiness directive (AD), applicable to certain Airbus Industrie Model A300, A300-600, and A310 series airplanes; equipped with Dowty ram air turbines (RAT). That AD currently requires repetitive deployment tests of the RAT and checks of the adjustment of the locking rod. This amendment also requires modification of the RAT, which terminates the repetitive tests and checks. This amendment is prompted by issuance of mandatory continuing airworthiness information by a foreign civil airworthiness authority. The actions specified by this AD are intended to ensure the availability of the RAT in case of need.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2001/01/18/01-1076/airworthiness-directives-airbus-model-a300-b2-and-a300-b4-a300-model-a300-b4-600-a300-b4-600r-and)
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