# Airworthiness Directives; Bombardier Model CL-600-2B16 (CL-604) Series Airplanes
> **Rule** · Final rule; request for comments. · Published 2001-02-28 · Effective 2001-03-05 · 66 FR 12724
## Document
- **Document number:** 01-4217
- **Category:** airworthiness
- **Manufacturer:** Bombardier Model CL-600-2B16 (CL-604) Series
- **Type:** Rule
- **Action:** Final rule; request for comments.
- **Citation:** 66 FR 12724
- **Publication date:** 2001-02-28
- **Effective date:** 2001-03-05
- **FAA docket:** Docket No. 2001-NM-27-AD
## Abstract

This document publishes in the Federal Register an amendment adopting airworthiness directive (AD) 2001-03-52 that was sent previously to all known U.S. owners and operators of Bombardier Model CL-600-2B16 (CL-604) series airplanes by individual notices. This AD requires revising the airplane flight manual to provide the flight crew with revised aft center of gravity (CG) limits. This action is prompted by issuance of mandatory continuing airworthiness information by a foreign airworthiness authority. The actions specified by this AD are intended to prevent fuel migration under conditions of acceleration and/or climb, which could result in the airplane exceeding the aft center of gravity limit, and consequent loss of control of the airplane.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2001/02/28/01-4217/airworthiness-directives-bombardier-model-cl-600-2b16-cl-604-series-airplanes)
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