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Crash of a Douglas DC-6A on Mt Rainier: 5 killed

Date & Time: Apr 23, 1965 at 1423 LT
Type of aircraft:
Operator:
Registration:
N6541C
Flight Phase:
Flight Type:
Survivors:
No
Site:
Schedule:
Seattle – Ogden-Hill
MSN:
45369/984
YOM:
1958
Flight number:
AAX1422A
Crew on board:
5
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
5
Captain / Total flying hours:
6861
Captain / Total hours on type:
4088.00
Copilot / Total flying hours:
17310
Copilot / Total hours on type:
5214
Aircraft flight hours:
18315
Circumstances:
On April 23, 1965, at 1423 P.s.t., an AAXICO Airlines, Inc., Douglas DC-6A, N6541C, crashed on the west slope of Mt. Rainier, Washington. The accident site was 40.2 nautical miles southeast of the Seattle ‘VORTAC, on the 125° radial, at an elevation of 10,200 feet m.s.l. The aircraft was being operated as Logair Flight 1422A, on a Visual Flight Rules (VFR) flight from Boeing Field, Seattle, Washington, to Hill Air Force Base (AFB), Utah. All five crew members received fatal injuries as a result of the crash. The flight was attempting to obtain an Instrument Flight Rules (IFR) clearance when it struck the snow covered glacier. The aircraft was destroyed by impact. There was no fire.
Probable cause:
The Board determines that the probable cause of this accident was the improper correlation of the aircraft position with respect to obstructing terrain while continuing the flight on a VFR flight plan in instrument weather conditions.
Final Report:

Crash of a Curtiss RC5-1 Commando on Mt Rainier: 32 killed

Date & Time: Dec 10, 1946 at 1636 LT
Type of aircraft:
Operator:
Registration:
39528
Flight Phase:
Flight Type:
Survivors:
No
Site:
Schedule:
El Toro - Sand Point
MSN:
26715
YOM:
1943
Crew on board:
3
Crew fatalities:
Pax on board:
29
Pax fatalities:
Other fatalities:
Total fatalities:
32
Circumstances:
On December 10, 1946, six Curtis Commando R5C transport planes carrying more than 200 U.S. Marines leave San Diego en route to Seattle. The aircraft, flying entirely by instruments at an altitude of 9,000 feet, encounter heavy weather over southwest Washington. Four turn back, landing at the Portland Airport; one manages to land safely in Seattle, but the sixth plane, carrying 32 Marines, vanishes. Search-and-rescue aircraft, hampered by continuing bad weather, are unable to fly for a week and ground searches prove fruitless. After two weeks, the search for the missing aircraft is suspended. The Navy determines that the aircraft was blown off course by high winds and flew into the side of Mount Rainier (14,410 feet). In July 1947, a ranger at Mount Rainier National Park spots wreckage on South Tahoma Glacier. Search parties examine the debris and confirm that it came from the missing plane. Four weeks later, the bodies are found high on the face of the glacier, but extremely hazardous conditions force authorities to abandon plans to remove them for burial. The 32 U.S. Marines remain entombed forever on Mount Rainier. In 1946, it was the worst accident, in numbers killed aboard an aircraft, in United States aviation history and remains Mount Rainier’s greatest tragedy.
Crew:
Maj Robert V. Reilly, pilot,
Lt Col Alben C. Robertson, copilot,
M/Sgt Wallace J. Slonina, crew chief.
Passengers:
M/Sgt Charles F. Criswell,
Pvt Duane R. Abbott,
Pvt Robert A. Anderson,
Pvt Joe E. Bainter,
Pvt Leslie R. Simmons Jr.,
Pvt Harry K. Skinner,
Pvt Lawrence E. Smith,
Pvt Buddy E. Snelling,
Pvt Bobby J. Stafford,
Pvt William D. St. Clair,
Pvt Walter J. Stewart,
Pvt John C. Stone,
Pvt Albert H. Stubblefield,
Pvt William R. Sullivan,
Pvt Chester E. Taube,
Pvt Harry L. Thompson Jr.,
Pvt Duane S. Thornton,
Pvt Keith K. Tisch,
Pvt Eldon D. Todd,
Pvt Richard P. Trego,
Pvt Charles W. Truby,
Pvt Harry R. Turner,
Pvt Ernesto R. Valdovin,
Pvt Gene L. Vremsak,
Pvt William E. Wadden,
Pvt Donald J. Walker,
Pvt Gilbert E. Watkins,
Pvt Duane E. White,
Pvt Louis A. Whitten.
Source:
http://www.historylink.org/index.cfm?DisplayPage=output.cfm&file_id=7820
Probable cause:
The crew encountered poor weather conditions with severe icing , turbulence and high winds. At the time of the accident, the aircraft was off track.