Mulgrew was killed in the crash of Air New Zealand Flight 901 , an Antarctic sightseeing flight that slammed into Mount Erebus , killing all 257 on board . He was a commentator on the flight , having replaced his close friend Sir Edmund Hillary , who was on a scheduled speaking tour of the United States . In 1989 his widow , June , married Hillary
Air New Zealand Flight 901
Air New Zealand Flight 901
Peter Mulgrew