Plain English Meaning
Flights where small aircraft climb up so skydivers can jump out. The places where this regularly happens are marked on charts so other pilots know to watch out for the aircraft and the people coming down under canopy.
Full Definition
Flight operations conducted for the purpose of carrying parachutists aloft and releasing them for a planned parachute jump. Published parachute jump areas are charted on Sectional Charts and listed in the Chart Supplement, and pilots operating near these areas are expected to remain alert for jump aircraft and descending parachutists.
Context Anchor
Seen in discussions of other airspace areas, airport information listings, Notices to Air Missions, and or near parachute jump areas.