Airline pilots perform a role that extends far beyond manipulating flight controls. The profession involves responsibility for safely transporting passengers and assets across the globe. This work requires constant diligence, technical understanding, and a commitment to procedural adherence. Pilot duties begin long before boarding the aircraft and continue after the engines are shut down at the destination gate.
The Pilot Hierarchy: Captain Versus First Officer
The flight deck operates under a defined structure where two qualified pilots share the workload but not the final authority. The Captain, or Pilot in Command (PIC), occupies the left seat and wears four stripes. The PIC holds ultimate legal responsibility for the safety of the flight, encompassing all decisions regarding operations, safety, and regulatory adherence. All crew members are accountable to the PIC.
The First Officer, also known as the Co-Pilot, sits in the right seat and acts as the Second-in-Command (SIC), typically wearing three stripes. Both pilots are qualified to operate the aircraft. They alternate flying duties to share experience and reduce fatigue. This division of labor designates one pilot as the Pilot Flying (PF), who handles the controls, and the other as the Pilot Monitoring (PM).
The PM is responsible for communication with Air Traffic Control (ATC), managing aircraft systems, and cross-checking the PF’s actions and the flight path. The roles of PF and PM are switched for each flight segment or “leg” to maintain proficiency and balance the workload.
Pre-Flight Operations and Planning
A significant portion of a pilot’s work occurs on the ground, starting with a review of the operational flight plan, often an hour or more before departure. Pilots check the planned route, including waypoints, cruising altitudes, and estimated times over locations. They must also gather aeronautical information, such as Notices to Airmen (NOTAMs), which detail temporary changes to airspace, navigation aids, or airport conditions like runway closures.
Calculating the required fuel load is a precise procedure governed by strict regulations. Pilots determine the amount of fuel needed for the trip, factoring in contingency fuel for unexpected delays, fuel to reach an alternate airport, and a final reserve amount for holding time. This calculation is influenced by the current and forecasted weather, including winds aloft, and the aircraft’s projected weight and balance.
The pilots conduct a pre-flight briefing to discuss all potential threats, including significant weather along the route and any known maintenance issues. Following this, one pilot performs the exterior walk-around inspection, checking the aircraft for damage, ensuring control surfaces move freely, and verifying the integrity of the tires, landing gear, and fluid levels. This inspection verifies that the aircraft is in an airworthy condition and that the flight is safe and legal to commence before pushback.
In-Flight Management and Execution
Once the flight deck is secured, the pilots manage taxiing, takeoff, and the climb to cruising altitude. While initial phases involve manual control, modern commercial flight relies on automated systems, such as the autopilot and the Flight Management System (FMS). The pilot’s role shifts from hands-on flying to system management, monitoring the aircraft’s flight path and performance.
Pilots monitor the status of aircraft systems, including hydraulics, the electrical power system, and the pressurization and air conditioning systems that maintain a safe cabin environment. The FMS is used to program and manage the route. Pilots input and verify performance data, such as takeoff speeds and fuel burn predictions. Monitoring involves cross-checking data from separate sources to ensure the aircraft’s actual performance matches the expected performance.
Throughout the flight, the Pilot Monitoring (PM) manages communications with Air Traffic Control (ATC) using standard phraseology over VHF or HF radio. ATC provides clearances for altitude changes, route amendments, and speed adjustments, which the pilot must read back exactly to confirm understanding. Takeoff and landing require intense coordination between the PF and PM, especially in low-visibility or high-wind conditions, demanding precise coordination of pitch, power, and configuration changes.
Post-Flight Procedures and Documentation
The duties of the flight crew conclude only after the aircraft is parked at the gate and administrative work is finished. Upon arrival, pilots complete a post-flight checklist to ensure the aircraft systems are shut down and secured.
A primary post-flight task involves updating the aircraft’s technical logbook, a record maintained for every flight segment. The pilots record the flight times, fuel remaining, and any mechanical issues or defects observed during the flight, often referred to as “squawks.” Anomalies must be documented so maintenance personnel can inspect and rectify them before the next departure, ensuring continued airworthiness.
Administrative paperwork includes completing journey logs and fuel receipts, much of which is now handled electronically via tablets or Electronic Flight Bags. The flight crew conducts a debriefing to review the flight’s performance, note any unusual events, and discuss safety or procedural concerns with the cabin crew.
Managing Safety, Security, and Regulatory Compliance
The pilot’s role is linked to upholding standards set by regulatory bodies, such as the Federal Aviation Administration (FAA). Compliance involves strict adherence to Federal Aviation Regulations (FARs), particularly Part 121 for commercial air carriers, which dictates operational procedures, crew rest requirements, and maintenance standards. This compliance forms the basis for the airline’s Safety Management System (SMS), a process for identifying and mitigating risks.
Security protocols are a constant duty, with the reinforced cockpit door serving as the primary barrier against unauthorized entry. Pilots enforce strict procedures for accessing the flight deck, including using a camera or peephole to verify identity and a specific protocol for when the door must be opened during flight. If one pilot leaves the flight deck, a designated member of the cabin crew must temporarily occupy the seat to ensure two authorized personnel are present.
Maintaining professional currency requires recurrent training and medical checks. Airline pilots undergo full-motion flight simulator checks every six to twelve months, depending on their rank and the airline’s approved program. These sessions practice handling emergencies, such as engine failures or severe weather events, which cannot be safely trained in the actual aircraft. Pilots must also maintain a current medical certificate, which involves a physical examination performed by an FAA-designated Aviation Medical Examiner at regular intervals.
The Reality of the Pilot Lifestyle and Schedule
The professional pilot lifestyle is defined by a seniority-based scheduling system that dictates work assignments and quality of life. Pilots bid monthly for their preferred “lines” or schedules. The most senior pilots receive their choices of routes, aircraft type, and days off. This system means that new pilots start at the bottom of the list, having little control over their schedules.
Junior pilots find themselves on “reserve” status, meaning they are on call and must be available to report for duty on short notice, sometimes within two hours. A pilot on reserve covers flights for colleagues who call in sick, for mechanical delays, or for unexpected operational needs, resulting in an unpredictable monthly schedule.
The job involves long stretches away from the home base, with multi-day “tours of duty” that include layovers in various cities. Federal regulations mandate minimum rest periods to mitigate fatigue. However, frequent time zone changes and lack of a consistent daily routine can make the work physically and mentally demanding. As a pilot gains seniority, they gain the ability to hold a set schedule, known as a “line holder,” which provides predictability and control over their rest and personal life.

