Alone in the Dark: The Diver Who Drew Her Own Rescue Map
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Alone in the Dark: The Diver Who Drew Her Own Rescue Map
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Fear tightens when you imagine running out of air in total darkness - and this episode opens with a folded piece of emergency Mylar left on a car hood after nine days underground. A diver with more than sixty cave dives, a broken wrist, failing air, and a guideline she knew would mislead rescuers drew a map in the dark that would determine whether she was found; how did she plan every inch while rationing breath?
In this episode, we tell the sequence of events from the moment Brenda Perry signed the log to the discovery of the Mylar map, covering her training, the cave layout she entered, the decisions she made inside the Annex passage, and the single choice on about day three that guided the searchers to her - would her map be legible enough to save her?
Person: Brenda Perry
Date: April 5 to April 15 (eleven days underground)
Location: Sable Creek cave system, Annex passage beyond survey terminus
Experience: Nine years recreational diving, four years cave diving, more than sixty cave dives
Equipment: Primary reel 400 meters, two backup reels, emergency Mylar sheet
- At 6:15 she signed into the informal log kept by Morris Vance on the morning she entered the cave.
- The Annex passage extended roughly 300 feet past a known restriction where official surveys stopped.
- She discovered a dry chamber approximately 18 feet wide and 11 feet deep somewhere past the restriction.
- She cut her guideline 230 feet past the restriction and tied it off to a rock protrusion.
- She rehearsed compass bearings, depth notations, distances and ceiling profiles for close to 30 hours before drawing them on Mylar.
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