A device used in aircraft to determine the height above a particular point, usually the sea level.

A person who remains alive after an event that causes others to die, often in a dangerous situation.

The condition of being restricted or limited in some way, often affecting actions or decisions.

An effect or influence that something has on someone or something, often describing a notable change.

To cause physical harm or damage to someone or something.

Important, meaningful, or having a major effect.

The distance measured straight up in the air from a reference point, often used in aviation and hiking.

The area in an aircraft where the pilot controls the plane, containing the instruments and controls necessary for flying.

A device used for determining direction, often aided by a magnetic needle that points towards the Earth's magnetic north.

A panel in a vehicle that displays various instruments and controls, providing information about the vehicle's operation.

An electronic device that sends and receives signals, often used for communication over distances.

A state of affairs that is happening or existing, often influencing a situation.