The updraft would help in getting the glider airborne. Also, there was an ideal area from which to launch a glider: the castle's chapel roof, which was hidden from the guards' watchful eyes.

Archaeologists began excavating beside Auckland Castle a couple of years prior, gradually uncovering the chapel's vast remains. Sir Arthur Hesilrigg (1601-1661), who blew up Bek's chapel in 1650 ...