# Airworthiness Directives; Bombardier Model DHC-8-400 Series Airplanes
> **Rule** · Final rule; request for comments. · Published 2001-06-06 · Effective 2001-06-21 · 66 FR 30305
## Document
- **Document number:** 01-13995
- **Category:** airworthiness
- **Manufacturer:** Bombardier Model DHC-8-400 Series
- **Type:** Rule
- **Action:** Final rule; request for comments.
- **Citation:** 66 FR 30305
- **Publication date:** 2001-06-06
- **Effective date:** 2001-06-21
- **FAA docket:** Docket No. 2001-NM-144-AD
## Abstract

This amendment adopts a new airworthiness directive (AD) that is applicable to certain Bombardier Model DHC-8-400 series airplanes. This action requires revising the Normal and Abnormal Sections of the FAA-approved Airplane Flight Manual to include procedures that enable the flightcrew to determine if the main landing gear (MLG) is extended before landing and to take appropriate actions, if necessary. The actions specified in this AD are intended to ensure that the flightcrew is advised of a potential gear-up landing due to misleading indications of the MLG extension, and has the procedures necessary to address that potential condition. This action is intended to address the identified unsafe condition.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2001/06/06/01-13995/airworthiness-directives-bombardier-model-dhc-8-400-series-airplanes)
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