Pre-Flight Checklist
Before you board your flight, something remarkable happens behind the scenes that often goes unnoticed. While you get ready to embark on your journey, pilots and engineers are hard at work performing a crucial set of procedures that is second nature to them: the pre-flight check.
Preparation Before Flight
Pre-flight checks are a systematic series of inspections carried out by pilots and maintenance crew before an aircraft is cleared for takeoff. These checks cover everything from reviewing paperwork and weather conditions to physically inspecting the aircraft.
For flight crew, this process typically starts hours before departure. Pilots arrive early and receive a full briefing that includes weather updates, route planning, fuel requirements and any technical issues listed in the aircraft’s maintenance log.
Once inside the cockpit, all relevant switches, instruments and appropriate systems are methodically tested during what’s called the cockpit preparation.
The Walk-Around
One of the most critical elements of the pre-flight process is the external walkaround. This involves a visual inspection of the aircraft exterior from nose to tail, wingtip to landing gear. This is usually conducted by the captain or first officer, typically when acting as the Pilot Monitoring (PM).
In a two-pilot cockpit, the PM supports the Pilot Flying (PF) who is in charge of flying the aircraft. The PM handles radio communications, monitors instrument, reads checklists, and watches for traffic or other problems. Both roles are equally important and usually alternate between flights.
Pilots look for anything that might be out of place and affect a flight: fluid leaks, dents, ice buildup or missing fasteners. A pre-flight walk-around can uncover potential issues before they become problems. For example, a small hydraulic leak or worn tyre may not seem alarming at the terminal, but if left unchecked, these issues can become a safety hazard in the air.
Why It Matters
A modern aircraft is an engineering marvel, with thousands of interdependent systems that must operate flawlessly. Preflight checks ensure that these systems are ready to perform under the demanding conditions of flight.
These checks aren’t just best practices, but are regulatory requirements. Civil aviation authorities around the world, such as the Federal Aviation Administration (FAA), European Union Aviation Safety Agency (EASA), and others mandate strict compliance with pre-flight procedures. Failure to adhere to them can result in penalties, grounding of aircraft, or worse: accidents. Many incidents in aviation history can be traced to missed or inadequate pre-flight inspections. The industry has learned from these events, and procedures have evolved to become more thorough and standardized.
Human Judgment Is Important
Modern aircraft are equipped with advanced diagnostics, sensors and systems that monitor performance in real time. While these tools are invaluable, they don’t eliminate the need for human judgment.
Pilots are trained to spot the subtle signs that technology might overlook. A faint fuel smell, a strange vibration in the flight controls, or an unusual sound during the engine startup are things machines won’t always catch, but experienced aviators will.
A Smooth Take-off
The next time you hear the engines spool up and feel the plane push back from the gate, take a moment to appreciate the quiet diligence that made it all possible. From checklist reviews to visual inspections and technical briefings, countless steps are taken to ensure your flight is as safe as it is comfortable.
Pre-flight checks may not be glamorous, but in the world of aviation, they are sacred. They are the rituals of responsibility that every pilot upholds with the safety of every passenger in mind.
As the saying goes among pilots: “Take-off is optional, landing is mandatory.” And a safe landing always begins with a good pre-flight check.
*This article is featured in the August 2025 issue of AirAsia’s in-flight magazine ‘redcap’.