# FDR

CEFR C1 · Noun

Source: https://englishreference.com/word/fdr
Updated: 2026-05-09

## Definition

Stands for Flight Data Recorder. A device on an airplane that records information about the flight to help investigators if there is an accident.

For teachers: Abbreviation for Flight Data Recorder. An electronic device, often referred to as a 'black box', that captures specific aircraft performance parameters to facilitate accident investigation and safety analysis.

## Examples

- Investigators recovered the FDR from the crash site.
- After the emergency landing, technicians downloaded the data from the FDR to determine why the engines lost power.
- Modern aviation safety relies heavily on the FDR, which monitors hundreds of variables including altitude, airspeed, and heading to provide a comprehensive digital record of every flight phase.

## Usage notes

- Commonly used in aviation and news reports; usually preceded by the definite article 'the'.

---

From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.