contingency rating

contingency rating

A power rating on helicopters or vertical takeoff and landing aircraft (VTOL), which is resorted to in an emergency, such as when one engine fails. Special checks are required on engine(s) after this rating has been used beyond a stipulated period.
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The Scope of Work will include performing a detailed inspection of all aspects of the various facilities, preparing an evaluation of the condition of the facilities, contingency ratings, sign structures and preparing a detailed report of the findings.
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