Parachute Duration

« Duration Competition
31.1 Scope
Parachute Duration comprises seven events open to single-stage entries containing one or more parachutes for recovery purposes. The purpose of this competition is to achieve the longest flight duration time.
31.2 Qualification
Some portion of the parachute must protrude out of the entry and into the airflow to aid in recovery for the flight to be considered qualified.
31.3 Classes
This event is divided into classes based on the permissible total impulse of the motor(s). The following classes of Parachute Duration are established:

Motor Class Multi-Round Maximum (sec) NRC Maximum (sec)
1/8A 40
1/4A 60 180
1/2A 120 360
A 180 540
FAI A  300
B 240
C 300
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