travel california - Google News
Grand Canyon crash a game-changer in air travel - Sacramento Bee
SFGate | Grand Canyon crash a game-changer in air travel Sacramento Bee The United Airlines Douglas DC-7 and a TWA Lockheed Super Constellation both left California on June 30, 1956, eventually cruising at the same altitude — 21,000 feet — after the TWA pilot requested to fly above the clouds. Shortly before 10 a.m ... Grand Canyon plane crash site designated historic |
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