A forced landing is a landing by an
aircraft
An aircraft is a vehicle that is able to fly by gaining support from the air. It counters the force of gravity by using either static lift or by using the dynamic lift of an airfoil, or in a few cases the downward thrust from jet engines. ...
made under factors outside the pilot's control, such as the failure of engines, systems, components, or weather which makes continued flight impossible. For a full description of these, see article on ''
emergency landing
An emergency landing is a premature landing made by an aircraft in response to an emergency involving an imminent or ongoing threat to the safety and operation of the aircraft, or involving a sudden need for a passenger or crew on board to term ...
''. However, the term also means a landing that has been forced by interception.

A plane may be compelled to land through the
use, or threat of use, of force, if it strays off course into hostile foreign territory. The
Chicago Convention on International Civil Aviation
The Convention on International Civil Aviation, also known as the Chicago Convention, established the International Civil Aviation Organization (ICAO), a specialized agency of the United Nations charged with coordinating international air tra ...
contains guidance in Annex 2 on "Signals for Use in the Event of Interception":
[ customarily for the military plane approaches the airliner from below and to the left, where his plane is easily visible from the left seat where the captain sits. The intercepting plane waggles his wings to signal the demand to be followed.]
Territorial airspace is under the sovereignty of the relevant state, and their domestic law would regulate the treatment of intruding aircraft. Consequences could include:[
]
See also
* Deadstick landing
* Hard landing
References
External links
*
{{Types of take-off and landing
Types of landing
Aviation accidents and incidents