Final answer:
Long Call Availability in aviation requires a minimum rest time for pilots before reporting for a Flight Duty Period (FDP). The minimum rest time is 10 hours.
Step-by-step explanation:
Long Call Availability in aviation refers to the minimum rest time required for a pilot before reporting for a Flight Duty Period (FDP). According to the Federal Aviation Administration (FAA) regulations, a pilot must receive a minimum of 10 hours of rest prior to reporting for an FDP.