After tying down for the night, you should

Choices

• drain fuel sumps after the next morning's flight.

  Sump after THIS flight, not next.

• ✓ secure the tiedowns or chocks, install control locks.correct

  or use the seatbelt as a control restraint), pitot cover, and complete a postflight walk-around looking for any damage that occurred during flight (rock dings, oil leaks, broken antennas). Postflight tiedown: chocks/tiedowns installed, control lock or seatbelt restraint (prevents wind from slamming controls and damaging hinges), pitot cover (keeps insects out), then a walk-around looking for new damage that may have occurred in flight. Document any squawks. This is standard pilot responsibility, not the FBO's.

• just walk away — the FBO handles everything.

  Pilot is responsible for securing the airplane.

• lock the cockpit only.

  Cockpit lock alone leaves controls and airframe vulnerable.