Crash of a Douglas C-47 in Laramie: 13 killed

Date & Time: Oct 17, 1946 at 0057 LT
Registration:
NC38942
Survivors:
No
Schedule:
Oakland – Cheyenne – Newark
MSN:
12971
YOM:
1944
Crew on board:
3
Crew fatalities:
Pax on board:
10
Pax fatalities:
Other fatalities:
Total fatalities:
13
Captain / Total flying hours:
3222
Captain / Total hours on type:
840.00
Copilot / Total flying hours:
1500
Aircraft flight hours:
1861
Circumstances:
Enroute, the crew was informed that weather conditions in Cheyenne were poor and was rerouted to Laramie. Unfortunately, upon arrival, weather conditions were not so good with light snow and a visibility of two miles. The captain decided to attempt to land but was unable to locate the airport and passed over without seeing it. Shortly later, while at an altitude of 75 feet and in a left bank of 70°, the aircraft hit the ground with its left wing, crashed and burned. All 13 occupants were killed.
Probable cause:
On the basis of the above, the Board determines that the probable cause of this accident was the action of the pilot in maneuvering the aircraft at a dangerously low altitude under extremely adverse weather conditions in an attempt to land. A contributing factor was the negligence of the pilot in planning a flight into an area in which adverse weather conditions were forecast without making adequate provisions for a suitable alternate airport.
Final Report:

Crash of a Douglas DC-4 in Cheyenne: 2 killed

Date & Time: Oct 8, 1946 at 0433 LT
Type of aircraft:
Operator:
Registration:
NC30051
Survivors:
Yes
Schedule:
San Francisco – Cheyenne – Chicago
MSN:
10471
YOM:
1944
Flight number:
UA028
Crew on board:
4
Crew fatalities:
Pax on board:
43
Pax fatalities:
Other fatalities:
Total fatalities:
2
Captain / Total flying hours:
12573
Captain / Total hours on type:
2425.00
Copilot / Total flying hours:
3551
Copilot / Total hours on type:
831
Aircraft flight hours:
3077
Circumstances:
An approach from the west was then decided on by the Captain as visibility there had been fair. The First Officer contacted the tower and was cleared to land on Runway 12 (to the southeast). While headed west the Captain started a gradual left turn at the western boundary of the field, continued it for a short time and then entered a right turn in an attempt to line up with and land on Runway 12. This right turn was continued at an altitude of some 200 feet above the ground with, wheels down, 15 degree of flap and airspeed of approximately 120 mph (once as low as 110 mph). The Captain instructed the First Officer, who occupied the right hand pilot seat, (on the low and field side of the turn) to "sing out" when he saw the field. When the First Officer did see it he said "There's the field at 2 o'clock" (at a relative bearing of 60 degree). The Captain then leaned to the right to see the field himself and during this momentary diversion from the instruments enough altitude was lost to permit the right wing tip to strike the ground. The site was on rolling prairie approximately 20 feet higher than, and about 1 1/2 miles northwest of the Cheyenne Airport, on the U. S. Military Reservation of Fort Warren. At the instant of impact the aircraft was still in a right turn, banked approximately 15 degree and headed northeast. It came to rest about 700 feet beyond the point of first impact. A gasoline fire developed on the ground along the crash path and the right wing, which had been torn from the fuselage, was partly burned. Two passengers were killed while most of the other occupants were injured, some of them seriously.
Probable cause:
The Captain started a standard instrument approach to the Cheyenne Airport but did not follow through with the prescribed missed-approach procedure after descending below the minimum altitude. During the final attempt to land, the aircraft struck the ground with its right wing while in a right turn. The Board determines that the probable cause of this accident was a loss of altitude during a turn preparatory to a final approach while the pilot was maneuvering in an attempt to land.
Final Report:

Crash of a DDouglas C-47A-5-DL in Elko: 20 killed

Date & Time: Sep 5, 1946 at 0132 LT
Registration:
NC57850
Survivors:
Yes
Schedule:
New York – Cheyenne – Elko – San Francisco
MSN:
9214
YOM:
1943
Location:
Crew on board:
3
Crew fatalities:
Pax on board:
18
Pax fatalities:
Other fatalities:
Total fatalities:
20
Captain / Total flying hours:
2944
Copilot / Total flying hours:
1339
Aircraft flight hours:
2137
Circumstances:
The aircraft was reported over Elko, Nevada, at 0121 and the pilot stated to the Aircraft Communicator at Elko that he had the field n and that he anticipated no difficulty in landing. The latest weather information was transmitted to the pilot and acknowledged by him: Ceiling measured 200 feet, thin overcast; lower thin scattered clouds at 100 visibility 7 miles; wind ENE at 6 mph; altimeter setting 30.14. No further transmission was received from the flight. Elko radio made several attempts to contact Aircraft 850 without success and, at approximately 0133, notified Airway Traffic control that radio contact was no longer being maintained with the flight. Salt Lake City Air Traffic Control requested Battle Mountain radio to attempt to contact the aircraft in the event the pilot had elected to continue to his alternate. However, although several attempts were made, no contact was established with the flight. United Air Lines' Flight 16, of September 4, 1946, en route to Salt Lake City on Airway Green 3, was called by the United Air Lines station at Salt Lake City and requested to check the vicinity of Elko for any sign of fire or other indications of an aircraft accident. The time of this contact was 0200, at which time Flight 16 was approximately 5 miles east of Elko Range Station. The Caption of Flight 16 returned to Elko and scanned the area in the vicinity of the airport. On approaching the airport the flight crew of the United Air Lines' DC-3 observed an intense fire approximately 2 miles west and almost directly in line with Runway 23 of the Elko Airport. This information was transmitted to the United Air Lines' ground station at Elko, Nevada, and Salt Lake City, Utah. The fire warden at Elko was immediately notified of the location of the fire and was requested to proceed to the scene of the fire. Personnel from the C. A. Communications Station at Elko arrived at the scene of the fire at approximately 0230 and found that the aircraft had crashed near the top of a ridge, the elevation of which was approximately 11' feet above that of the field, and at a point approximately 2 1/2 miles west of the west and of Runway 23 at Elko Airport. At this time the wreckage was found to be burned severely and, with the exception of two passengers, one of whom died shortly afterward, all occupants had been fatally injured in the aircraft.
Probable cause:
On the basis of the above findings, the Board determines that the probable cause of this accident was the pilot's action in continuing a landing approach after having lost visual contact with the airport under conditions of dense ground fog. A contributing factor was the pilot's unfamiliarity with the terrain in the immediate vicinity of the airport.
Final Report:

Crash of a Douglas A-20A Havoc I near Elk Mountain: 1 killed

Date & Time: Feb 15, 1942 at 1800 LT
Operator:
Registration:
AL477
Flight Phase:
Flight Type:
Survivors:
No
Site:
Schedule:
Ogden - Cheyenne
Crew on board:
1
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
1
Circumstances:
The airplane was on a flight to Canada to be delivered to the Royal Air Force. En route from Ogden to Cheyenne, the pilot encountered poor weather conditions. In heavy snow falls, the airplane contacted ground and crashed near Elk Mountain. SAR operations were initiated but eventually suspended six days later. The wreckage was found in July. The pilot was killed.
Crew:
Robert S. Gleghorn, pilot.

Crash of a Douglas DC-3A-197 near Knight: 19 killed

Date & Time: Oct 17, 1937 at 2100 LT
Type of aircraft:
Operator:
Registration:
NC16074
Flight Phase:
Survivors:
No
Site:
Schedule:
Newark – Chicago – Cheyenne – Salt Lake City – Los Angeles
MSN:
1914
YOM:
1936
Flight number:
UA001
Location:
Crew on board:
3
Crew fatalities:
Pax on board:
16
Pax fatalities:
Other fatalities:
Total fatalities:
19
Captain / Total flying hours:
11000
Copilot / Total flying hours:
3500
Circumstances:
While cruising at an altitude of 10,000 feet at night and in bad weather conditions, the pilot tried to contact ATC without any success. He could not receive any signal from the regional beacons and decided to continue ahead to Salt Lake City Airport. Few minutes later, in low visibility, the aircraft impacted the slope of Haydens Peak located 81 km east from Salt Lake City and 32 km southwest from Knight. The aircraft was destroyed by impact forces and all 19 occupants were killed.
Crew:
Earl D. Woodgerd, pilot,
John B. Adams, copilot,
Leah Derr, stewardess.
Passengers:
George Ferreira,
Phyllis Ferreira,
Louis Cleaver,
Ralph McKeown,
John Conroy,
Charles D. Renouf,
W. Pischell,
William Pitt,
J. Percola,
Mrs. C. Pritchett,
D. A. McMillan,
Mrs. J. Hammer,
W. J. Hart,
Charles Jamison,
C. L. Jensen,
Dr. L. Gross.
Probable cause:
It is the opinion of the Investigating Board that the probable cause of this accident was a combination of the following three factors:
- Static conditions encountered in the last portion of the flight which rendered the reception of radio range signals unintelligible,
- The continuation of the flight into mountainous country at an altitude below of higher mountains without the aid of ground visibility or radio signals to definitely identify position,
- A change in the weather caused by the approach of an unpredicted cold front.
Final Report:

Crash of a Boeing 247D in Cheyenne: 4 killed

Date & Time: Oct 30, 1935 at 1940 LT
Type of aircraft:
Operator:
Registration:
NC13323
Flight Phase:
Flight Type:
Survivors:
No
Site:
Schedule:
Cheyenne - Cheyenne
MSN:
1704
YOM:
1935
Crew on board:
4
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
4
Circumstances:
The crew was performing a local test flight out from Cheyenne Airport following modifications on few cockpit instruments. After take off, while climbing in light rain, the captain initiated a relative sharp turn to the right when the aircraft entered an uncontrolled descent, reached a nose-down angle of 70° and crashed on the top of a hill. All four crew members were killed.
Probable cause:
An examination of the wreckage did not indicate any failure or malfunctioning of any part of the airplane or engines. It is reasonable to believe that the windshield was iced sufficiently to obscure forward vision but this would not have hindered the pilot materially as he had a full complement of navigation instruments and presumable had unobstructed vision out either side. It is the opinion of the Accident Board that the probable cause of this accident was poor judgment on the part of the pilot for executing an abrupt maneuver with insufficient altitude for safety and failure of the pilot to maintain proper control of the aircraft during this maneuver.

Crash of a Boeing 247D in Cheyenne: 12 killed

Date & Time: Oct 7, 1935 at 0219 LT
Type of aircraft:
Operator:
Registration:
NC13317
Survivors:
No
Site:
Schedule:
Oakland – Salt Lake City – Denver – Cheyenne
MSN:
1698
YOM:
1935
Flight number:
UA004
Crew on board:
3
Crew fatalities:
Pax on board:
9
Pax fatalities:
Other fatalities:
Total fatalities:
12
Circumstances:
Following an uneventful flight from Denver, the crew initiated the approach to Cheyenne Airport. The visibility was poor due to the night and marginal weather conditions. Too low, the airplane impacted the top of a hill, continued for about 300 metres and crashed, bursting into flames. All 12 occupants were killed.
Probable cause:
Whether or not the pilot was flying entirely on instruments, the question still arises as to why he was flying so close to the ground at the point of first contact with the ground. It is possible that the copilot in giving their position as Silver Crown could have done so having observed that the airplane was approaching Silver Crown. The pilot, hearing this over the interphones, might have taken this literally and started losing altitude factor or sooner than he should have from actual location. Another possibility is that the pilot misread his altimeter and as a consequence was actually flying at a much lower altitude than he believed. An additional 1,000 feet of altitude at the point of the accident would have placed the airplane in suitable position for a normal power glide to the airport for a landing. It is the opinion of the Accident Board that the probable cause of this accident was an error on the part of the pilot in judging his altitude or his distance from the airport, or both.

Crash of a Boeing 221A Monomail near Glendo: 1 killed

Date & Time: May 27, 1935 at 1605 LT
Type of aircraft:
Operator:
Registration:
NC725W
Flight Phase:
Flight Type:
Survivors:
No
Site:
Schedule:
Billings – Sheridan – Casper – Cheyenne
MSN:
1153
YOM:
1930
Location:
Crew on board:
1
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
1
Circumstances:
The pilot was performing a mail flight from Billings to Cheyenne with intermediate stops in Sheridan and Casper. While cruising in poor weather conditions, he reduced his altitude to maintain a visual contact with the ground. While following Route 185 to Cheyenne, he failed to realize his altitude was too low when the airplane impacted a hill located 21 kilometers south from Glendo. The pilot, sole on board, was killed.
Probable cause:
It is the opinion of the Accident Board that the probable cause of this accident was an accidental collision with the ground while flying low due to severe local conditions.

Crash of a Boeing 247D in Salt Lake City: 8 killed

Date & Time: Feb 23, 1934 at 1415 LT
Type of aircraft:
Operator:
Registration:
NC13357
Flight Phase:
Survivors:
No
Site:
Schedule:
Los Angeles – Salt Lake City – Cheyenne – Chicago
MSN:
1739
YOM:
1933
Crew on board:
3
Crew fatalities:
Pax on board:
5
Pax fatalities:
Other fatalities:
Total fatalities:
8
Captain / Total flying hours:
7000
Circumstances:
The airplane was completing a schedule service from Los Angeles to Chicago with intermediate stops in Salt Lake City and Cheyenne. It departed Salt Lake City Airport at 1400LT bound for Cheyenne with five passengers and three crew members on board. Weather conditions were poor with limited visibility due to snow falls and fog. While flying at an altitude of 8,000 feet at full speed, the airplane impacted the slope of the Parley's Canyon located about 17 km southeast of Salt Lake City Airport. The aircraft disintegrated on impact and all eight occupants were killed.
Crew:
Lloyd Anderson, pilot,
Eric G. Danielson, copilot.
Probable cause:
Controlled flight into terrain. Investigations were unable to determine the exact cause of the accident.

Crash of a Boeing 40B in Knight: 1 killed

Date & Time: Feb 7, 1932 at 0600 LT
Type of aircraft:
Operator:
Registration:
NC273
Flight Phase:
Flight Type:
Survivors:
No
Schedule:
Salt Lake City – Cheyenne
MSN:
884
YOM:
1927
Location:
Crew on board:
1
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
1
Circumstances:
While cruising at night on a mail flight from Salt Lake City to Cheyenne, the pilot encountered poor weather conditions with heavy snow falls. Control was lost and the airplane crashed in a field located 6 miles east of Knight. The pilot Paul 'Red' Andret was killed.