| Status: | Definitief |
| Datum: | 11 FEB 1999 |
| Tijd: | 23:45 AST |
| Type: | Beechcraft 1900C-1 |
| Luchtvaartmaatschappij: | ACE Air Cargo |
| Registratie: | N31240 |
| Constructienummer: | UC- 28 |
| Bouwjaar: | 1988 |
| Aantal vlieguren: | 19588 |
| Motoren: | 2 Pratt & Whitney Canada PT6A-65B |
| Bemanning: | slachtoffers: 0 / inzittenden: 1 |
| Passagiers: | slachtoffers: 0 / inzittenden: 0 |
| Totaal: | slachtoffers: 0 / inzittenden: 1 |
| Schade: | Groot |
| Gevolgen: | Written off (damaged beyond repair) |
| Plaats: | 7,6 km (4.8 mijl) N of Saint Mary's, AK (Verenigde Staten)
|
| Fase: | Nadering (APR) |
| Soort vlucht: | Vracht |
| Vliegveld van vertrek: | Anchorage International Airport, AK (ANC/PANC), Verenigde Staten |
| Vliegveld van aankomst: | Saint Mary's Airport, AK (KSM), Verenigde Staten |
| Vluchtnummer: | 91 |
Beschrijving:Flight 91 departed Anchorage at 21:45 for an IFR cargo flight to Saint Mary's. The pilot was cleared for a runway 16 LOC/DME approach at 23:25. Ten minutes later the aircraft crashed and broke into three. The pilot seats were found 50feet in front of the cockpit section. The wreckage was found at 04:00 the following morning.
PROBABLE CAUSE: "The pilot's descent below the minimum descent altitude on the instrument approach. Factors were pilot fatigue resulting from the pilot's rest period being interrupted by scheduling discussions and the night weather conditions of low ceilings and whiteout."
Bronnen:
» NTSB
Foto's

N31240 was sold to Business Express in 1994. After two years it was bought by Raytheon and in 1996 leased to Alaska Central Express.
Kaart
Deze kaart geeft het vliegveld van vetrek weer en de geplande bestemming van de vlucht. De lijn tussen de vliegvelden geeft
niet de exacte vliegroute weer.
De afstand tussen Anchorage International Airport, AK en Saint Mary's Airport, AK bedraagt 703 km (440 miles).
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.