from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A crashworthy device that records data about an aircraft's flight, such as airspeed, heading, and the procedures of the pilot. Also called black box.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. a device which records data that would be of use in investigating the cause of an aircraft accident; comprises a flight data recorder and a cockpit voice recorder
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