# Revisions to Digital Flight Data Recorder Regulations for Boeing 737 Airplanes and for All Part 125 Airplanes
> **Rule** · Final rule. · Published 2008-12-02 · Effective 2009-02-02 · 73 FR 73171
## Document
- **Document number:** E8-28562
- **Category:** other
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 73 FR 73171
- **Publication date:** 2008-12-02
- **Effective date:** 2009-02-02
- **FAA docket:** Docket No. FAA-1999-6482
## Abstract

The FAA amends the regulations governing flight data recorders to increase the number of digital flight data recorder parameters for all Boeing 737 series airplanes manufactured after August 18, 2000. This change is based on safety recommendations from the National Transportation Safety Board following its investigations of two accidents and several incidents involving 737s. The rule also adopts a prohibition on deviations from flight recorder requirements for all airplanes operated under part 125.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2008/12/02/E8-28562/revisions-to-digital-flight-data-recorder-regulations-for-boeing-737-airplanes-and-for-all-part-125)
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