Each hose in the fuel transfer system for helicopter refueling must meet the standards of the __________.

Correct Answer: Option D — Federal Aviation Administration

Per 46 CFR 108.489, hoses used in helicopter fuel transfer systems on MODUs must comply with Federal Aviation Administration (FAA) standards, or equivalent recognized aviation industry specifications. This ensures hose materials can withstand aviation fuel pressure, chemical exposure, and mechanical stress without degrading or leaking.