| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| crash over grand canyon | 1.11 | 0.4 | 937 | 75 | 23 |
| crash | 1.24 | 0.6 | 1285 | 26 | 5 |
| over | 1.02 | 0.8 | 8097 | 66 | 4 |
| grand | 0.92 | 0.7 | 856 | 3 | 5 |
| canyon | 0.13 | 0.2 | 9339 | 78 | 6 |
Find out more here. When a United Airlines DC-7 collided with a TWA Super Constellation over the Grand Canyon on June 30, 1956, resulting in the deaths of all 128 people aboard both planes, it was more than just the worst commercial air disaster up until that time — it was a watershed moment in the history of air safety in the United States.
What happened to the plane that crashed in the Grand Canyon?Two men from the rescue party looking at a section of the wrecked fuselage of the TWA Super constellation plane that crashed in the Grand Canyon, in July of 1956. A round 11:30 a.m. on June 30, 1956, a TWA Super Constellation and a United DC-7, together carrying 128 people, collided over the Grand Canyon at 21,000 feet.
What is the 60th anniversary of the Grand Canyon tragedy?Thursday marks the 60th anniversary of a tragic event often forgotten today but seen by aviation experts as a pivotal moment in air safety. On June 30, 1956, two planes collided over the Grand Canyon in one of the largest commercial airline disasters in American history.
How common were mid-air collisions before the Grand Canyon?Mid-air collisions were fairly common prior to the Grand Canyon accident: one 1956 Aviation Week article noted that, between 1948 and 1955 there were 127 mid-air collisions in the U.S. with 30 involving commercial airliners; today, by comparison, the last major airline crash in the U.S. was now more than a decade ago.
