Please see below for a glossary of terms to better help you understand the verbiage of aircraft lending and loans.

Glossary of Terms

Air Charter

Act of renting or leasing a jet or plane for transport of cargo or passengers.


A machine used for flight which gains lift or support from the air.

Airway Distance

Actual distance flown by the aircraft between two points (as opposed to straight line). Calculated after deviations required by Air Traffic Control and navigation along published routes.


Base of operations or a HUB for an airline. The base leg is also one of the many words describing the approach segments.


A family of business jets.

Business Jet Charter

An aircraft that is chartered for the purpose or use in business transportation.

Carbon Emissions

The principal greenhouse gas emission. Carbon is largely thought to be the most dangerous greenhouse gas.


Height above ground or water level of the base of the lowest layer of cloud, below 20,000 feet, covering more than half of the sky. The absolute ceiling is the highest altitude at which the aircraft can maintain level flight.


Authorization given by ATC to proceed as requested or instructed (for example: “Cleared for take-off”, “Cleared for visual approach”).

Controlled Airspace

Defined airspace where Air Traffic Control service is provided to IFR flights and to VFR flights.


Winds blowing perpendicular or not parallel to the runway or the aircrafts flight path.

Density Altitude

Pressure altitude (as indicated by the altimeter) corrected for air temperature.


One of the many words describing the approach segments.

Empty Legs

A re-positioning flight where the aircraft is flying empty. Chartering an empty leg can cost significantly less than a full-price charter.


Final Approach. One of the many words describing the approach segments. The part of a landing sequence or aerodrome circuit procedure in which the aircraft has made its final turn and is inbound to the active runway.

Flight Plan

Filed with an Air Traffic Control Facility a flight plan is the specific information regarding the flight or intended flight of an aircraft.


An aircraft’s main body structure housing the flight crew, passengers, and cargo.

General Aviation

An aircraft’s main body structure housing the flight crew, passengers, and cargo.

Ground Speed

The speed of an aircraft relative to the surface of the earth.

Jet Airliner

An airliner that uses jet engine propulsion. Capable of efficiently functioning at a high altitudes and high speeds.

Jet Engine

An internal combustion air-breathing duct engine.


A rest stop away from home base for the aircraft and crew in the middle of a flight.


Long Range Operational Performance Standards. Certification intended to replace ETOPS as it would include all types of aircraft (not just twin-engine).

Mach Number

Ratio of true airspeed to the speed of sound. Mach 1 is the speed of sound at sea level. Its value is approximately 760 mph.


Maximum Take-Off Weight.


National Aircraft Resale Association.


Nautical Miles.


The air charter of an aircraft for a particular leg of an existing air charter itinerary.




The hard-surfaced space in front of an FBO or terminal facility, used for deplaning, parking of aircraft, etc.

Revenue Flight

Any flight that generates revenue for the operator. i.e. not a positioning, crew training or maintenance flight.


Segment involving a take-off and landing (for example: a London-Bangkok-Sydney flight contains two sectors).

Stage Length

The distance of the air charter client’s itinerary.


Short Take-Off and Landing.

Tail Number

The airplane’s registration number.


True Airspeed. Rectified airspeed corrected for altitude and outside air temperature.


Synonym of landing. May also refer to a stopover that does not involve a change of aircraft or flight.


One of the many words describing the approach segments.

Wait Time

The time the aircraft is waiting on the tarmac for the departure of its next leg of the itinerary.


Reference point used for navigation, usually indicated by latitude and longitude and sometimes altitude and typically used for GPS and INS navigation.


Used to improve fuel economy; a small rudder-like addition placed on the tips of a wing used to stabilize, control or employ air movement, thereby increasing fuel economy.

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