What is a Pilot in Command (PIC) in Aviation?

What is a Pilot in Command (PIC) in Aviation? Roles and EASA Regulations

Publicado por Ignacio Espila el 18 June, 2026

Última actualización: 26 June, 2026

If you are thinking about becoming a commercial pilot, or if you’ve already taken your first steps in flight training, there are three letters you will hear and write almost every day: PIC (Pilot in Command).

Far from being just another technical acronym on your uniform, being the PIC of an aircraft means taking on one of the most rewarding and demanding responsibilities in the world.

Whether you are at the controls of a two-seat single-engine training aircraft or in the cockpit of a commercial airliner with hundreds of passengers, the final word and the legal signature for everything that happens up there are yours.

What Does It Really Mean to Be Pilot In Command or PIC?

If we open the official manuals of the European Union Aviation Safety Agency (EASA) and look up regulation Part-FCL.010, the definition is very clear: the PIC is the pilot designated to be in command and charged with the safe conduct of a flight or specific phases of it.

But let’s translate this into daily life at the airfield. Being the Pilot in Command means you are the ultimate authority on board from the moment you start the engines until you shut them down completely at the parking stand.

During all that time, any decision affecting operational safety goes through your filter. Your primary mission is not just to move the controls; it is to anticipate unexpected events, proactively mitigate risks, and manage the flight with a cool head.

Is Being PIC the Same as Being a Flight Commander?

This is a classic question in the classroom. Operationally, in an airline environment, yes. The commander of a commercial aircraft is, by definition, the Pilot in Command of the flight.

However, conceptually there is a small technical difference. “PIC” refers to a function and a legal responsibility mandated by aviation regulations, while “Commander” represents a professional and labor rank within an airline.

When you fly solo during your training phases at the academy, you are the PIC of that aircraft, but you still have a path ahead before earning the rank of airline commander.

The Captain and the Tokyo Convention

As an anecdote we sometimes share with students during briefings: did you know that the Tokyo Convention grants you tremendous legal authority in flight?

If someone on board compromises operational safety or disrupts order, the PIC has the legal power to apply restrictive or restraining measures.

Furthermore, if weather conditions become complicated or any technical contingency arises, the PIC can unilaterally decide to divert the aircraft to an alternate airport if they consider it best to safeguard the operation.

The judgment as a commander is internationally backed above the commercial interests of the airline itself.

PIC in the Flight School vs. PIC in an Airline Commercial Operation

The way you exercise your role as Pilot in Command evolves drastically throughout your training and professional career.

In the Flight School

In your first dual-command flights, your instructor is the PIC, as they assume the legal responsibility for the flight.

However, once you have obtained your Private Pilot Licence (PPL) or completed your solo flight stages,, you officially become the PIC.

In this environment, you are responsible for yourself and your aircraft, facing individual decisions that consolidate your basic technique.

In a Commercial Airline

Here the scenario changes completely. As commander of a commercial jet, you no longer fly alone. You lead a human team composed of your co-pilot, the cabin crew (CC), and ground personnel.

You are responsible for hundreds of passengers, for meeting strict schedules, for managing fatigue, and for applying advanced CRM in adverse weather or complex system failures.

Your mindset shifts from being an individual pilot to becoming an integral manager of operational safety.

Responsibilities of the Pilot in Command: Functions by Flight Phase

To give you an idea of a captain’s operational routine, the PIC’s responsibility extends throughout an entire operational cycle divided into three distinct phases:

Before Flying: Preparation is Key

Before stepping into the aircraft, your mandatory tasks as PIC consist of verifying in detail that everything is in order:

Reviewing documentation: Ensuring all technical documents of the aircraft are valid (Certificate of Airworthiness, registration certificate, radio licenses, maintenance logs).
Studying the weather environment: Analyzing the weather en route (METAR and TAF) and the day’s NOTAMs to anticipate any airspace restrictions or adverse weather conditions.
Supervising the load: Reviewing and signing the mass and balance sheet. An improperly balanced aircraft seriously compromises its lift and control.
Safety fuel: Calculating that you carry the regulatory fuel for the trip plus legal and contingency reserves in case you need to hold or divert.
The exterior inspection: Performing the famous walkaround. Walking around the aircraft to visually verify that everything is in perfect condition before boarding.

In the Air: Risk Management and CRM

Once airborne, your role becomes more strategic than physical. In airlines, being the PIC does not mean you have to physically fly the aircraft the entire time.

Your true function up here is Crew Resource Management (CRM). You must maintain perfect situational awareness, monitor your partner’s work, and lead decision-making during any contingency, always prioritizing operational safety above all else.

After Landing: Closing the Cycle

Upon engine shutdown, the PIC’s job concludes by reflecting everything on paper. You must fill in the exact flight times in the aircraft logs and, most importantly, record any technical discrepancies in the Technical Logbook (TLB) so that the maintenance team can take over knowing exactly what needs to be inspected.

PIC, SIC, or PICUS? Learning to Differentiate the Roles

In multi-pilot airline cockpits, you will live with different acronyms according to the flight’s logbook logging. Here is a table to differentiate them at a glance under the OACI/EASA standard:

Key differences between the PIC, SIC and PICUS roles.
Role (Acronym)	Official Title	Legal Role	Logbook
PIC	Pilot in Command	Absolute. You are the ultimate authority for the aircraft and lives on board.	You sign the flight plan and log the hours in the PIC column.
SIC	Second in Command (Co-pilot / First Officer)	Assistance. You directly support the Commander during the operation.	You cooperate in the flight and log the hours in the Co-pilot column.
PICUS	Pilot in Command Under Supervision	Shared. You act as PIC but under the direct supervision of the Commander.	You fly as the manipulator of controls and the Commander supervises you. It is key to accumulating command experience.

From Solo Flight to Leading a Multi-Crew Cockpit (MCC)

During your initial training phases, you will get used to flying simple aircraft where you are the sole crew member. You manage your radio, navigation, and parameters completely alone.

But the true professional leap happens when you enter the cockpit of a commercial airliner that requires, by law, two pilots. This is where everything changes and the essential learning of the Multi Crew Cooperation (MCC) course comes into play.

In this phase, you learn that the leadership of the PIC is not about doing everything yourself, but about knowing how to delegate, relying on your co-pilot through assertive communication, and applying Standard Operating Procedures (SOPs) so that the cockpit runs with the highest safety standards.

Forging Pilots in Command at One Air

At One Air, EASA-approved E-ATO 190, we know perfectly well that the character and safety of an excellent Pilot in Command do not magically appear on the day of your checkride; they are trained from the very first time you conduct a pre-flight check before your first take-off.

Our commitment to quality has led us to be awarded three times with the prestigious Avion Revue Award for Excellence in Training, making us the only pilot school in the history of these awards to receive this recognition more than once.

Therefore, our program is not just about accumulating hours to fill a logbook; we prepare you using next-generation immersive technology with certified simulators and immersive Airbus A320, Boeing 737-800 and 737 MAX replicas with 100% real hardware.

Here, you will learn to operate as a true PIC long before facing your first airline assessment.

What is a Pilot in Command (PIC) in Aviation? Roles and EASA Regulations

What Does It Really Mean to Be Pilot In Command or PIC?