Pierre - Rapid City
Flight / Schedule
Pierre - Rapid City
Aircraft
Beechcraft 99 AirlinerRegistration
N99TH
MSN
U-155
Year of Manufacture
1974
Operator
Alpine AirDate
December 29, 2006 at 02:00 AM
Type
CRASHFlight Type
Cargo
Flight Phase
Landing (descent or approach)
Crash Site
Plain, Valley
Crash Location
Rapid City South Dakota
Region
North America • United States of America
Coordinates
44.0806°, -103.2280°
Crash Cause
Human factor
Narrative Report
On December 29, 2006 at 02:00 AM, Pierre - Rapid City experienced a crash involving Beechcraft 99 Airliner, operated by Alpine Air, with the event recorded near Rapid City South Dakota.
The flight was categorized as cargo and the reported phase was landing (descent or approach) at a plain, valley crash site.
1 people were known to be on board, 0 fatalities were recorded, 1 survivors were identified or estimated. This corresponds to an estimated fatality rate of 0.0%.
Crew on board: 1, crew fatalities: 0, passengers on board: 0, passenger fatalities: 0, other fatalities: 0.
The listed crash cause is human factor. The airplane was on an instrument flight rules flight in night instrument meteorological conditions when the accident occurred. The airplane had been cleared for an ILS approach and the pilot elected to use a non-published procedure to intercept the final approach. After becoming established on the final approach, the airplane impacted the ground about 7 miles from the destination airport at an elevation approximately the same as the airport elevation. Flight inspections of the instrument approach performed prior to and subsequent to the accident revealed satisfactory performance of both the localizer and glideslope functions. The number one altimeter setting did not match the altimeter setting that was current at the time of the accident. Post accident examination of the altimeters revealed that the number one altimeter read 360 feet high. No determination was made as to whether the discrepancy existed prior to impact. However, the pilot did not report any pre-flight discrepancies with regard to the airplane's altimeters. No other anomalies were found or reported with regard to the airplane's structure or systems.
Aircraft reference details include registration N99TH, MSN U-155, year of manufacture 1974.
Geospatial coordinates for this crash are approximately 44.0806°, -103.2280°.
Fatalities
Total
0
Crew
0
Passengers
0
Other
0
Crash Summary
The airplane was on an instrument flight rules flight in night instrument meteorological conditions when the accident occurred. The airplane had been cleared for an ILS approach and the pilot elected to use a non-published procedure to intercept the final approach. After becoming established on the final approach, the airplane impacted the ground about 7 miles from the destination airport at an elevation approximately the same as the airport elevation. Flight inspections of the instrument approach performed prior to and subsequent to the accident revealed satisfactory performance of both the localizer and glideslope functions. The number one altimeter setting did not match the altimeter setting that was current at the time of the accident. Post accident examination of the altimeters revealed that the number one altimeter read 360 feet high. No determination was made as to whether the discrepancy existed prior to impact. However, the pilot did not report any pre-flight discrepancies with regard to the airplane's altimeters. No other anomalies were found or reported with regard to the airplane's structure or systems.
Cause: Human factor
Occupants & Outcome
Crew On Board
1
Passengers On Board
0
Estimated Survivors
1
Fatality Rate
0.0%
Known people on board: 1
Operational Details
Schedule / Flight
Pierre - Rapid City
Operator
Alpine AirFlight Type
Cargo
Flight Phase
Landing (descent or approach)
Crash Site
Plain, Valley
Region / Country
North America • United States of America
Aircraft Details
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