# Airworthiness Directives; Gulfstream Aerospace LP Model Astra SPX and 1125 Westwind Astra Series Airplanes
> **Rule** · Final rule. · Published 2002-12-27 · Effective 2003-01-31 · 67 FR 78963
## Document
- **Document number:** 02-32300
- **Category:** airworthiness
- **Manufacturer:** Gulfstream Aerospace LP Model Astra SPX and 1125 Westwind Astra Series
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 67 FR 78963
- **Publication date:** 2002-12-27
- **Effective date:** 2003-01-31
- **FAA docket:** Docket No. 2002-NM-114-AD
## Abstract

This amendment adopts a new airworthiness directive (AD), applicable to all Gulfstream Aerospace LP Model Astra SPX and 1125 Westwind Astra series airplanes, that requires revising the Airplane Flight Manual to advise the flightcrew to don oxygen masks as a first and immediate step following a cabin altitude alert. This action is necessary to prevent incapacitation of the flightcrew due to lack of oxygen. This action is intended to address the identified unsafe condition.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2002/12/27/02-32300/airworthiness-directives-gulfstream-aerospace-lp-model-astra-spx-and-1125-westwind-astra-series)
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