The term "maximum elevation figure" (MEF) is defined as...
Domanda 73, Performance and flight planning - PPL(A) English - Private Pilot License (Aircraft)
| The highest elevation within an area covering 30 minutes of latitude and 30 minutes of longitude. |
| The highest elevation within an area covering 30 minutes of latitude and 30 minutes of longitude plus a safety margin, rounded to the next higher 100 ft. |
| The highest elevation within an area covering 30 minutes of latitude and 30 minutes of longitude plus a safety margin of 1000 ft (305 m), rounded to the next higher 100 ft |
| The highest elevation within an area covering 1 degree of latitude and 1 degree of longitude plus a safety margin, rounded to the next lower 100 ft. |
