Mejit AirportMejit Airport is a public use airstrip on Mejit Island, Marshall Islands. This airstrip is assigned the location identifier Q30 by the FAA and MJB by the IATA.FacilitiesMejit Airport is at an elevation of 5 feet above mean sea level. The runway is designated 07/25 with a coral gravel surface measuring 3,000 by 50 feet. There are no aircraft based at Mejit.