After parking and shutdown, before exiting the airplane, the proper procedure is

Choices

• exit immediately to avoid wasting time.

  Skipping shutdown invites damage and safety hazards.

• ✓ complete the after-landing/shutdown checklist: control lock installed.correct

  or seatbelt secured around yoke), parking brake set per POH, fuel selector to the proper position (some POHs say BOTH for parking, others OFF), magnetos OFF, master OFF, lights off, cabin secure. Standard post-shutdown sequence (from POH): control lock to prevent control surface damage from wind, parking brake (or chocks), fuel selector per POH (varies by airframe — Cessna typically BOTH for parking; some OFF), mags OFF, master OFF, all lights off, cabin door locked, log entries made. Skipping items risks airframe damage or starting incident on the next flight.

• leave master switch ON to keep instruments warm.

  Master ON drains battery, no benefit to instruments.

• leave magnetos in the BOTH position.

  Mags BOTH means a hot start could occur.