Witham Field
4MI8 field elevation is 782 ft MSL. The standard traffic pattern altitude at 4MI8 is 1,780 ft MSL (1,000 ft AGL).
FAA NASR data, cycle 2026-09-03
CTAF 122.9 MHz — 4MI8 is non-towered; self-announce position and intentions on CTAF.
Check 4MI8 against your personal minimums, plan a route to it, and see the best runway for the current wind — free.
No, 4MI8 is a non-towered airport. The CTAF frequency is 122.9 MHz.
4MI8 uses the standard traffic pattern altitude of 1,000 feet AGL — about 1,780 feet MSL at a field elevation of 782 feet.
4MI8 (Witham Field) has a field elevation of 782 feet MSL.
4MI8 (Witham Field) is located in Croswell, MI.