MBB-BK 117 All Series
Flight Crew Commercial
Troubleshooting
Aircraft Equipment Problem Less Severe; Deviation / Discrepancy - Procedural Published Material / Policy
Flight Crew Overcame Equipment Problem
Human Factors; Procedure
During post flight/refueling discovered the fuel cap was missing behind secured fuel door. After further investigation the aircraft was flown the night before to another airport/FBO where the fuel cap was not reinstalled after refueling. Fuel cap was recovered by Airport personnel. Fuel sample was taken after post flight.Always verify the fuel cap and door are secured after refueling. Also follow all items on the aircraft preflight checklist.
Air taxi helicopter pilot reported a fuel cap was discovered missing during preflight.