# Revisions to Digital Flight Data Recorder Requirements
> **Rule** · Final rule. · Published 2002-08-21 · Effective 2002-08-20 · 67 FR 54320
## Document
- **Document number:** 02-21171
- **Category:** other
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 67 FR 54320
- **Publication date:** 2002-08-21
- **Effective date:** 2002-08-20
- **FAA docket:** Docket No.: FAA-2002-11705
## Abstract

This action amends the flight data recorder regulations by expanding the recording ranges for certain data parameters for all covered airplanes. This amendment is necessary because certain airplanes are unable to record certain flight parameters under the existing resolution criteria without undergoing unintended and expensive retrofit.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2002/08/21/02-21171/revisions-to-digital-flight-data-recorder-requirements)
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