NONE · BOEING 737-522 · 1993-04-24 · DENVER, CO, USA
Event
NTSB number
DEN93IA044
Event ID
20001211X12116
Type
Incident
Date
1993-04-24
Location
DENVER, CO, USA
Coordinates
39.759849, -104.919342
Injuries
Highest injury
NONE
Fatal
0
Serious
0
Minor
0
Uninjured
133
Total aboard
133
Aircraft
Make
BOEING
Model
737-522
Registration
N905UA
FAR Part
121
Engines
2
Damage
—
Conditions
Light
DUSK
Weather
VMC
Probable cause
THE PILOT-IN-COMMAND'S FAILURE TO MAINTAIN ADEQUATE SEPARATION FROM THE BOEING 757, AND HIS FAILURE TO STAY ABOVE THE PROBABLE PATH OF THE BOEING'S WAKE VORTICES, WHICH RESULTED IN THE VORTEX ENCOUNTER. FACTORS RELATED TO THE ACCIDENT WERE: THE CROSSWIND, AND AN INADEQUACY IN ATC PROCEDURES CONCERNING VISUAL APPROACHES OF AIRCRAFT, BEHIND AND DOWNWIND FROM APPROACHES OF HEAVIER AIRCRAFT TO PARALLEL OR ADJACENT RUNWAYS.