Mather - Mather
Flight / Schedule
Mather - Mather
Aircraft
Boeing B-52 StratofortressRegistration
57-6482
MSN
464187
Year of Manufacture
1957
Operator
United States Air Force - USAFDate
December 16, 1982 at 12:00 AM
Type
CRASHFlight Type
Training
Flight Phase
Takeoff (climb)
Crash Site
Airport (less than 10 km from airport)
Crash Location
Sacramento-Mather California
Region
North America • United States of America
Coordinates
38.5696°, -121.2963°
Crash Cause
Human factor
Narrative Report
On December 16, 1982 at 12:00 AM, Mather - Mather experienced a crash involving Boeing B-52 Stratofortress, operated by United States Air Force - USAF, with the event recorded near Sacramento-Mather California.
The flight was categorized as training and the reported phase was takeoff (climb) at a airport (less than 10 km from airport) crash site.
9 people were known to be on board, 9 fatalities were recorded, 0 survivors were identified or estimated. This corresponds to an estimated fatality rate of 100.0%.
Crew on board: 9, crew fatalities: 9, passengers on board: 0, passenger fatalities: 0, other fatalities: 0.
The listed crash cause is human factor. The crew was engaged in a local training flight at Sacramento-Mather AFB, consisting in a Minimum Interval Takeoff and Landing (MITO) mission. The crew started the takeoff procedure 10 seconds after a first USAF B-52 that departed the same runway. After liftoff, during initial climb, the airplane encountered wake turbulences. The pilot-in-command decided to reduce the engine power but his reaction was excessive, causing all eight engines to flame out. Due to a loss of speed, the aircraft stalled and struck the ground. It exploded on impact and debris were found on a 400 yards distance. All nine crew members were killed. Crew: Maj James Henry York, pilot, Cpt Lyle Allen Brunner, instructor, Cpt Dennis Earl Davis, electronic warfare instructor, M/Sgt Jere E. LeFever, gunner, 2nd Lt Scott A. Semmel, student copilot, 2nd Lt Peter M. Riley, student copilot, 2nd Lt Richard P. Robeson, student navigator, 2nd Lt Benjamin C. Berndt, student navigator, 2nd Lt Daniel N. Bader, student navigator.
Aircraft reference details include registration 57-6482, MSN 464187, year of manufacture 1957.
Geospatial coordinates for this crash are approximately 38.5696°, -121.2963°.
Fatalities
Total
9
Crew
9
Passengers
0
Other
0
Crash Summary
The crew was engaged in a local training flight at Sacramento-Mather AFB, consisting in a Minimum Interval Takeoff and Landing (MITO) mission. The crew started the takeoff procedure 10 seconds after a first USAF B-52 that departed the same runway. After liftoff, during initial climb, the airplane encountered wake turbulences. The pilot-in-command decided to reduce the engine power but his reaction was excessive, causing all eight engines to flame out. Due to a loss of speed, the aircraft stalled and struck the ground. It exploded on impact and debris were found on a 400 yards distance. All nine crew members were killed. Crew: Maj James Henry York, pilot, Cpt Lyle Allen Brunner, instructor, Cpt Dennis Earl Davis, electronic warfare instructor, M/Sgt Jere E. LeFever, gunner, 2nd Lt Scott A. Semmel, student copilot, 2nd Lt Peter M. Riley, student copilot, 2nd Lt Richard P. Robeson, student navigator, 2nd Lt Benjamin C. Berndt, student navigator, 2nd Lt Daniel N. Bader, student navigator.
Cause: Human factor
Occupants & Outcome
Crew On Board
9
Passengers On Board
0
Estimated Survivors
0
Fatality Rate
100.0%
Known people on board: 9
Operational Details
Schedule / Flight
Mather - Mather
Operator
United States Air Force - USAFFlight Type
Training
Flight Phase
Takeoff (climb)
Crash Site
Airport (less than 10 km from airport)
Region / Country
North America • United States of America
