▁The ▁apparent ▁cause ▁was ▁a ▁run - away ▁var ic am ▁elev ator ▁control , ▁which ▁caused ▁a ▁ham mer head ▁st all ▁at ▁very ▁low ▁alt itude . ▁The ▁aircraft ▁did ▁an ▁overhead ▁loop ▁revers ing ▁its ▁direction ▁but ▁crash ed ▁into ▁the ▁woods ▁near ▁the ▁take ▁off ▁end ▁of ▁the ▁run way ▁next ▁to ▁the ▁base ▁golf ▁course . ▁There ▁were ▁no ▁surv iv ors . ▁On ▁ 2 1 ▁July ▁ 1 9 5 7 ▁a ▁US ▁Navy ▁Ne pt une ▁searching ▁for ▁a ▁sister ▁P 2 V ▁Ne pt une ▁crash ed ▁near ▁Mount ▁Pra , ▁Italy ▁near ▁the ▁French ▁border ▁killing ▁ 9 ▁air men . ▁The ▁P 2 V ▁being ▁searched ▁for ▁disappeared ▁two ▁days ▁earlier , ▁ 1 9 ▁July , ▁with ▁ 1 1 ▁on ▁board ▁on ▁a ▁flight ▁from ▁Cas ab lan ca ▁to ▁Tre vis o . ▁ ▁On ▁ 1 ▁February ▁ 1 9 5 8 ▁US AF ▁C - 1 1 8 A ▁ 5 3 - 3 2 7 7 ▁coll ided ▁in ▁mid - air ▁with ▁US ▁Navy ▁Lock he ed ▁P 2 V ▁Ne pt une ▁ 1 2 7 7 2 3 ▁over ▁Nor walk , ▁California , ▁killing ▁ 4 7 ▁of ▁ 4 9 ▁on ▁board ▁both ▁aircraft ▁and ▁one ▁person ▁on ▁the ▁ground . ▁On ▁ 4 ▁February ▁ 1 9 5 9 ▁RA AF ▁A 8 9 - 3 0 8 ▁crash ed ▁at ▁RA AF ▁Richmond , ▁NS W , ▁Australia .