October 24, 1947, United Air Lines Inc., Douglas DC-6 (NC37510) Bryce Canyon, UT
ACCIDENT SYNOPSIS:
On October 24, 1947, a Douglas DC-6 (NC37510) operating as Flight 608 by United Air Lines departed Los Angeles International Airport for a non-stop flight to Chicago, Illinois.
Flight 608 carried 47 passengers and a crew of 5. In command of the flight was Captain Everett McMillen and Co-Pilot George Griesbach. In the back attending to the passengers were stewardesses Helen Morrissey, Shirley Hickey, and Sabina Joswick.
At 12:21 PM, Captain McMillen radioed that there was a fire in the baggage compartment which they could not control, with smoke entering the passenger cabin. The flight requested an emergency clearance to Bryce Canyon Airport, Utah, which was granted.
As the aircraft descended, pieces of the plane, including portions of the right wing started to fall off. At 12:27 PM, the last radio transmission was heard from the plane: "We may make it - approaching a strip." United Flight 608 had passed over the crest of a tall plateau and was about a mile from the approach end of the runway at Bryce Canyon when the nose of the plane suddenly pitched over. Unable to counteract the loss of control, the aircraft impacted with such force that all four engines were ripped from their mounts and thrown 300 feet beyond the fireball. The airliner crashed onto National Park Service land, killing all 52 passengers and crew on board.
The cause of the fire and crash of United flight 608 was a mystery until three weeks later when an American Airlines DC-6 reported an in-flight fire over Arizona. The flight managed to make an emergency landing at Gallup, New Mexico. All 25 occupants escaped the burning plane, and the fire was extinguished. But unlike the Bryce Canyon crash a month earlier, investigators now had a damaged but intact aircraft to examine and study.
The cause of both the Bryce Canyon crash and the near-fatal Gallup incident was eventually traced to a design flaw. A cabin heater intake scoop was positioned too close to the number 3 alternate tank air vent. If flightcrews allowed a tank to be overfilled during a routine fuel transfer between wing tanks, it could lead to several gallons of excess fuel being sucked into the cabin heater system, which then ignited the fuel.
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HISTORICAL SUMMARY:
As it was in 1947, a vacant field marks the crash site of United Flight 608. Less than 100 yards across a fence line designating the Bryce Canyon National Park a visitor will find the small remnants of this air disaster.
Only a few fragments remain today since most of the wreckage was loaded onto trucks and moved to Douglas Aircraft Company in California where the plane was reassembled for the accident investigation. The remainder of the site was picked clean over the years by souvenir hunters with very little protection from the National Park Service. Due to it's age, the crash site and what little remains is protected by laws governing the preservation of historical sites.
Read MoreOn October 24, 1947, a Douglas DC-6 (NC37510) operating as Flight 608 by United Air Lines departed Los Angeles International Airport for a non-stop flight to Chicago, Illinois.
Flight 608 carried 47 passengers and a crew of 5. In command of the flight was Captain Everett McMillen and Co-Pilot George Griesbach. In the back attending to the passengers were stewardesses Helen Morrissey, Shirley Hickey, and Sabina Joswick.
At 12:21 PM, Captain McMillen radioed that there was a fire in the baggage compartment which they could not control, with smoke entering the passenger cabin. The flight requested an emergency clearance to Bryce Canyon Airport, Utah, which was granted.
As the aircraft descended, pieces of the plane, including portions of the right wing started to fall off. At 12:27 PM, the last radio transmission was heard from the plane: "We may make it - approaching a strip." United Flight 608 had passed over the crest of a tall plateau and was about a mile from the approach end of the runway at Bryce Canyon when the nose of the plane suddenly pitched over. Unable to counteract the loss of control, the aircraft impacted with such force that all four engines were ripped from their mounts and thrown 300 feet beyond the fireball. The airliner crashed onto National Park Service land, killing all 52 passengers and crew on board.
The cause of the fire and crash of United flight 608 was a mystery until three weeks later when an American Airlines DC-6 reported an in-flight fire over Arizona. The flight managed to make an emergency landing at Gallup, New Mexico. All 25 occupants escaped the burning plane, and the fire was extinguished. But unlike the Bryce Canyon crash a month earlier, investigators now had a damaged but intact aircraft to examine and study.
The cause of both the Bryce Canyon crash and the near-fatal Gallup incident was eventually traced to a design flaw. A cabin heater intake scoop was positioned too close to the number 3 alternate tank air vent. If flightcrews allowed a tank to be overfilled during a routine fuel transfer between wing tanks, it could lead to several gallons of excess fuel being sucked into the cabin heater system, which then ignited the fuel.
***********************************************************************************************************************************
HISTORICAL SUMMARY:
As it was in 1947, a vacant field marks the crash site of United Flight 608. Less than 100 yards across a fence line designating the Bryce Canyon National Park a visitor will find the small remnants of this air disaster.
Only a few fragments remain today since most of the wreckage was loaded onto trucks and moved to Douglas Aircraft Company in California where the plane was reassembled for the accident investigation. The remainder of the site was picked clean over the years by souvenir hunters with very little protection from the National Park Service. Due to it's age, the crash site and what little remains is protected by laws governing the preservation of historical sites.
It was only a few minutes after the accident when the people from the surrounding towns began arriving at the crash site to see if they could help.
During the investigation it was learned that most of the passengers had not died of the impact but in the in-flight fire before the plane had crashed into the plateau.