Contingency Hazard Area (CHA)
Contingency Hazard Area (CHA)
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22.Jan.2025
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SKYbrary Aviation Safety. (January 22, 2025). Contingency Hazard Area (CHA).
Retrieved June 4, 2026
from https://skybrary.aero/articles/contingency-hazard-area-cha
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Definition
Areas of airspace that are defined and distributed (by air traffic control) in advance of a launch or reentry operation and are activated in response to a failure.
(As defined by the U.S. Federal Aviation Administration's Aeronautical Information Manual, Pilot/Controller Glossary.)
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