# Airworthiness Directives; British Aerospace (Jetstream) Model 4101 Airplanes
> **Rule** · Final rule. · Published 2000-02-03 · Effective 2000-03-09 · 65 FR 5228
## Document
- **Document number:** 00-2088
- **Category:** airworthiness
- **Manufacturer:** British Aerospace (Jetstream) Model 4101
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 65 FR 5228
- **Publication date:** 2000-02-03
- **Effective date:** 2000-03-09
- **FAA docket:** Docket No. 99-NM-309-AD
## Abstract

This amendment adopts a new airworthiness directive (AD), applicable to all British Aerospace (Jetstream) Model 4101 airplanes, that requires manufacture and installation of a placard on the left- hand instrument panel in the cockpit to prohibit push-backs of the airplane while the engines are running. In lieu of accomplishing the placard installation, this amendment requires repetitive installation of a new tow bracket sub-assembly that has the serial number and date of installation vibro etched on it. 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 prevent fatigue failure of the towing bracket. Failure of the towing bracket could cause a towing vehicle to collide into the propeller while the airplane engines are running, and consequently, cause damage to the airplane, and injure ground personnel, flight crew, or passengers.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2000/02/03/00-2088/airworthiness-directives-british-aerospace-jetstream-model-4101-airplanes)
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