ASN logo
Fecha:martes 17 agosto 2004
Tipo:Silhouette image of generic BE99 model; specific model in this crash may look slightly different
Beechcraft 99 Airliner
Operador:Alpine Aviation
Registración: N199GL
Numéro de série: U-15
Año de Construcción: 1968
Horas Totales de la Célula:40521
Motores: 2 Pratt & Whitney Canada PT6A-27
Tripulación:Fatalidades: 1 / Ocupantes: 1
Pasajeros:Fatalidades: 1 / Ocupantes: 1
Total:Fatalidades: 2 / Ocupantes: 2
Daños en la Aeronave: Destruido
Consecuencias: Written off (damaged beyond repair)
Ubicación:11 km (6.9 milles) NE of Neihart, MT (   Estados Unidos de América)
Elevación del lugar del accidente: 2767 m (9078 feet) amsl
Fase: En ruta (ENR)
Aeropuerto de Salida:Billings-Logan International Airport, MT (BIL/KBIL), Estados Unidos de América
Aeropuerto de Llegada:Kalispell-Glacier National Park Airport, MT (FCA/KFCA), Estados Unidos de América
Número de Vuelo:5071
The airplane departed Billings at 23:05 carrying 2,665 pounds of mail on behalf of the U.S. Postal Service to Kalispell.
The airplane flew into the southern slope of Mt. Baldy in the middle of a large skree field approximately 150 feet below the summit, at an altitude of 9,079 feet amsl (2767 m).

Probable Cause:

PROBABLE CAUSE: "The pilot's failure to maintain adequate terrain clearance during cruise, which resulted in the in-flight collision with mountainous terrain. Dark night conditions and mountainous terrain were contributing factors."

Accident investigation:
Investigating agency: NTSB
Status: Investigation completed
Duration: 1 year and 2 months
Accident number: SEA04FA166
Download report: Summary report
Language: English

» NTSB id. SEA04FA166


photo of Beechcraft-99-N199GL
accident date: 17-08-2004
type: Beechcraft 99
registration: N199GL

This map shows the airport of departure and the intended destination of the flight. The line between the airports does not display the exact flight path.
Distance from Billings-Logan International Airport, MT to Kalispell-Glacier National Park Airport, MT as the crow flies is 511 km (319 miles).
Accident location: Exact; as reported in the official accident report.

This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.
languages: languages


Beech 99

  • 239 built
  • 45th loss
  • 24th accidente fatal
  • 15th worst accident (a la hora)
  • 18th worst accident (actualmente)
» safety profile

The Aviation Safety Network is an exclusive service provided by:
Quick Links:

CONNECT WITH US: FSF Facebook FSF Twitter FSF Youtube FSF LinkedIn FSF Instagram

©2022 Flight Safety Foundation

701 N. Fairfax St., Ste. 250
Alexandria, Virginia 22314