How (un)common is it to carry a parachute on a glider?
Common in high performance sailplanes because the cockpit is designed for it. High performance sailplanes are designed for cross country racing which involves flying in gaggles and with as many as 50 gliders on a single task. Midair’s are a distinct possibility in those situations so chutes are mandatory.
Required for aerobatics. Yes some gliders can do a full range of a maneuvers and some are designed specifically for aerobatic competition.
Not common in training ships because training is not inherently dangerous and the type of accidents that occur involve ground contact while taking off or landing.
I’ve never been aware of glider guiders wearing chutes to protect themselves from structural failure in flight except during aerobatics. Design concepts around maneuvering speed and redline apply. The worse turbulence encountered is generally related to rotor in standing wave conditions, e.g. “my eyelids turned inside out as I temporarily lost control of the aircraft”. Since glider flying is usually limited to visual conditions, the inside of thunderstorms are generally not explored.
A story:
I ‘witnessed’ a midair at competition while loitering with 50 other sailplanes waiting to start a task. Both pilots announced “midair” on the common frequency. One then said he had a damaged wing and was going to jump, which he did. The other said he had a damaged wing but thought he could land it, which he did after having the damage inspected by another pilot. Once both pilots were on the ground and deemed safe, the start gate was opened and the competition resumed.
Hours later I finished the task and headed off to the scoring trailed coincidently at the same time the pilot that had jumped was entering. He even had the balled up chute under his arm (!!).
The consensus among all who viewed the 2 aircraft was that the guy who jumped could have easily stayed with the aircraft and landed but the guy who flew it in probably should have jumped.
Turned out that the guy who jumped had dozens of sport jumps under his belt and was perfectly comfortable ‘hitting the silk’. (Taking care of the chute and not losing the D-ring is sort of jumper culture which may explain why he still had it under his arm when I met up with him.) The guy who stayed with his ship had never jumped before and like me, would have had to be kicked out of ship before attempting to use the ‘chute.
Even though the start gaggles had over 50 sailplanes in roughly a 5 mile radius of the airport, and the collision took place at about 5,000’ while I was circling at about 4,000’, I never saw a thing. Not the middair, not the canopy, and not the abandoned sailplane that reportedly slowly fluttered down and landed yards from the pilot, which apparently is not uncommon in such situations.
My old, never used ‘chute is moldering proudly in the hangar.
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