6 fatal · BRITISH AEROSPACE BAE-3101 · 1989-12-27 · PASCO, WA, USA
Event
NTSB number
DCA90MA011
Event ID
20001213X29944
Type
Accident
Date
1989-12-27
Location
PASCO, WA, USA
Injuries
Highest injury
FATL
Fatal
6
Serious
0
Minor
0
Uninjured
0
Total aboard
6
Aircraft
Make
BRITISH AEROSPACE
Model
BAE-3101
Registration
N410UE
FAR Part
135
Engines
2
Damage
DEST
Conditions
Light
NDRK
Weather
VMC
Probable cause
THE FLIGHTCREW'S DECISION TO CONTINUE AN UNSTABILIZED INSTRUMENT LANDING SYSTEM (ILS) APPROACH THAT LED TO A STALL, MOST LIKELY OF THE HORIZONTAL STABILIZER, AND LOSS OF CONTROL AT LOW ALTITUDE. CONTRIBUTING TO THE ACCIDENT WAS THE AIR TRAFFIC CONTROLLER'S IMPROPER VECTORS THAT POSITIONED THE AIRPLANE INSIDE THE OUTER MARKER WHILE IT WAS STILL WELL ABOVE THE GLIDESLOPE. CONTRIBUTING TO THE STALL AND LOSS OF CONTROL WAS THE ACCUMULATION OF AIRFRAME ICE THAT DEGRADED THE AERODYNAMIC PERFORMANCE OF THE AIRPLANE.