Narrative:
The Beechcraft 1900C-1 struck Blue Hill at 2280 feet during an ILS approach to Saranac Lake runway 23. The glide slope elevation at that point was approx. 2900 feet.
PROBABLE CAUSE: "Failure of the captain to establish a stabilized approach, his inadequate cross-check of instruments, his descent below specified minimum altitude at the final approach fix, and failure of the copilot to monitor the approach. Factors related to the accident were: weather conditions and possible precipitation static interference, caused by inadequate grounding between the radome and fuselage that could have resulted in unreliable glide slope indications."
» Flight Safety Foundation - Accident Prevention - July 1995
» ICAO Adrep Summary 1/95 (#15)
» NTSB Safety Recommendations A-94-74/-76
» Scramble 153
| Status: | Accident investigation report completed and information captured |
| Date: | Friday 3 January 1992 |
| Time: | 05:46 |
| Type: |  Beechcraft 1900C-1 |
| Operated by: | Commutair |
| On behalf of: | USAir Express |
| Registration: | N55000 |
| MSN: | UC-135 |
| First flight: | 1990 |
| Total airframe hrs: | 1675 |
| Engines: | 2 Pratt & Whitney Canada PT6A-65B |
| Crew: | Fatalities: 1 / Occupants: 2 |
| Passengers: | Fatalities: 1 / Occupants: 2 |
| Total: | Fatalities: 2 / Occupants: 4 |
| Aircraft damage: | Destroyed |
| Aircraft fate: | Written off (damaged beyond repair) |
| Location: | 8 km (5 mls) NE of Saranac Lake-Adirondack Airport, NY (SLK) ( United States of America)
|
| Crash site elevation: | 695 m (2280 feet) amsl |
| Phase: | Approach (APR) |
| Nature: | Domestic Scheduled Passenger |
| Departure airport: | Plattsburgh-Clinton County Airport, NY (PLB/KPLB), United States of America |
| Saranac Lake-Adirondack Airport, NY (SLK/KSLK), United States of America | |
| Flightnumber: | 4821 |
The Beechcraft 1900C-1 struck Blue Hill at 2280 feet during an ILS approach to Saranac Lake runway 23. The glide slope elevation at that point was approx. 2900 feet.
Probable Cause:
PROBABLE CAUSE: "Failure of the captain to establish a stabilized approach, his inadequate cross-check of instruments, his descent below specified minimum altitude at the final approach fix, and failure of the copilot to monitor the approach. Factors related to the accident were: weather conditions and possible precipitation static interference, caused by inadequate grounding between the radome and fuselage that could have resulted in unreliable glide slope indications."
Accident investigation:
 |
|
Classification:
Controlled Flight Into Terrain (CFIT) - Mountain
Sources:
» Air Transport World 2/92» Flight Safety Foundation - Accident Prevention - July 1995
» ICAO Adrep Summary 1/95 (#15)
» NTSB Safety Recommendations A-94-74/-76
» Scramble 153
Follow-up / safety actions
NTSB issued 3 Safety Recommendations
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Photos
Map
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 Plattsburgh-Clinton County Airport, NY to Saranac Lake-Adirondack Airport, NY as the crow flies is 63 km (39 miles).
Accident location: Exact; deduced from official accident report.
Distance from Plattsburgh-Clinton County Airport, NY to Saranac Lake-Adirondack Airport, NY as the crow flies is 63 km (39 miles).
Accident location: Exact; deduced from 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.
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