# Airworthiness Directives; Dassault Aviation Airplanes
> **Rule** · Final rule. · Published 2016-05-02 · Effective 2016-06-06 · 81 FR 26099
## Document
- **Document number:** 2016-09800
- **Category:** airworthiness
- **Manufacturer:** Dassault Aviation
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 81 FR 26099
- **Publication date:** 2016-05-02
- **Effective date:** 2016-06-06
- **FAA docket:** Docket No. FAA-2014-0657
## Abstract

We are adopting a new airworthiness directive (AD) for certain Dassault Aviation Model FALCON 2000, FALCON 2000EX, MYSTERE-FALCON 900, and FALCON 900EX airplanes. This AD was prompted by reports of a co- pilot sliding aft on his seat during take-off at rotation. This AD requires replacement of certain springs installed on the pilot and co- pilot seats. We are issuing this AD to prevent fatigue wear, which, if not corrected, could cause the seat to slide and the pilot or co-pilot to lose contact with the controls, leading to an inadvertent input on the flight control commands during take-off or climb, possibly resulting in loss of control of the airplane.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2016/05/02/2016-09800/airworthiness-directives-dassault-aviation-airplanes)
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