Definition
An emergency directive indicating that a landing should be made at the nearest suitable airport or landing site without delay. The condition is serious but not immediately critical, so the pilot may select a site that offers reasonable safety and facilities rather than the absolute closest patch of ground.
Plain English
Get on the ground soon at a sensible place. The situation is bad enough that you should not continue the flight, but you have time to pick somewhere with a proper runway or services if one is reasonably close.
Context Anchor
Used in emergency procedures, checklist instructions, and pilot reports when continuing flight would add unnecessary risk.
Why Pilots Care
It signals an emergency requiring immediate diversion, affecting fuel planning, weather decisions, and landing priority.
Intuition Check
Do not read this as “land when convenient” or “land at the planned destination.” It means begin getting the aircraft to the nearest safe landing place without delay.
Example Sentence 1
After the engine chip light came on, the checklist directed the crew to land as soon as possible, so they diverted to the nearest towered airport rather than continuing another forty miles to their home base.
Example Sentence 2
The controller instructed the pilot to land as soon as possible due to an electrical system failure.