Upon successful completion of a flight, the post-flight phase is crucial for ensuring safety, regulatory compliance, and operational efficiency. This phase involves a series of checks, documentation, and communication activities that bridge the gap between landing and the next flight.

After the aircraft has taxied to its parking stand and all engines have been shut down, a thorough post-flight walk-around inspection is performed. This is distinct from the pre-flight inspection and focuses on identifying any issues that may have arisen during the flight or any new damage that might have occurred. Key areas include checking for leaks, damage to control surfaces, landing gear condition, and any foreign object debris (FOD) that might have been ingested.

Accurate and timely logbook entries are a cornerstone of post-flight procedures. Pilots are responsible for recording details of the flight, including flight time, any discrepancies or defects observed, and maintenance actions taken or required. This logbook serves as a legal record of the aircraft's operational history and is vital for maintenance planning and regulatory compliance. Any significant issues or recurring problems must be clearly documented to ensure they are addressed promptly.

Post-flight, the actual fuel consumed is reconciled with the planned fuel. This involves comparing the fuel remaining on board (FOB) with the expected FOB, accounting for any diversions or changes in flight plan. Similarly, weight and balance calculations are confirmed. Any significant discrepancies in fuel or weight can indicate potential issues with fuel systems, flight planning accuracy, or even airworthiness, and must be investigated.

Effective communication is paramount. Pilots brief ground crew on any immediate needs, such as specific parking requirements or assistance. Crucially, they communicate any reported defects or observations to the maintenance department. This handover ensures that maintenance teams are aware of the aircraft's status and can begin addressing any issues promptly, minimizing downtime and ensuring the aircraft is ready for its next flight.

Once all checks and documentation are complete, the aircraft is secured. This involves setting parking brakes, chocking the wheels, and ensuring all external access panels and doors are closed and locked. For aircraft parked outdoors, specific procedures may be followed to protect them from environmental factors, such as covering engines or control surfaces.

For flight crews, post-flight procedures also include completing duty time records and participating in debriefings if required. These debriefings can be informal discussions about the flight or formal reviews, especially after significant events. This ensures that lessons learned are shared and contributes to continuous improvement in operational procedures and safety.