#forced_landing__emergency_landing__emergencylanding  an unscheduled airplane landing that is made under circumstances (engine failure or adverse weather) not under the pilot's control
  subtype:  #crash_landing  an emergency landing under circumstances where a normal landing is impossible (usually damaging the aircraft)
  supertype:  #aircraft_landing__airplane_landing  landing an aircraft
     supertype:  #landing.arrival  the act of coming down to the earth (or other surface); "the plane made a smooth landing"; "his landing on his feet was catlike"
        supertype:  #arrival  the act of arriving at a certain place; "they awaited her arrival"
           supertype:  #action  something done (usually as opposed to something said); "there were stories of murders and other unnatural actions"
              supertype:  #human_action__humanaction__act__human_activity__humanactivity  something that people do or cause to happen
                 supertype:  pm#process__proces  situation commonly considered as making a change during some period of time
                    supertype:  pm#situation  something that "occurs" in a real/imaginary region of time and space
                       supertype:  pm#thing__something___T__t___3D_or_4D_thing_or_anything_else  any category (type or individual) is instance of this type; any type is also a subtype of this type
                    supertype:  pm#process_or_process_description
                       supertype:  pm#processing_thing
                          supertype:  pm#thing_playing_some_role  category to classify things according to roles/viewpoints; classification under this category is application-dependant
                             supertype:  pm#thing__something___T__t___3D_or_4D_thing_or_anything_else  any category (type or individual) is instance of this type; any type is also a subtype of this type
                 supertype:  sumo#process__proces__physicalsituation  intuitively, the class of things that happen and have temporal parts or stages; examples include extended events like a football match or a race, actions like pursuing and reading, and biological processes; sumo#process is not identical to pm#situation because an instance of pm#situation is not necessarily an instance of sumo#physical
                    supertype:  pm#situation  something that "occurs" in a real/imaginary region of time and space
                    supertype:  pm#process_or_process_description
                    supertype:  sumo#physical__physical_thing  an entity that has a location in space-time; locations are themselves understood to have a location in space-time; click here for more details on the identical category sowa#physical_thing
                       supertype:  pm#thing__something___T__t___3D_or_4D_thing_or_anything_else  any category (type or individual) is instance of this type; any type is also a subtype of this type

No statement uses or specializes #forced_landing; click here to add one.