NTSB CAROL · Event
Event DCA15CA012
Aircraft involved
Probable cause & findings
the B757 Captain's failure to maintain a safe clearance between his wing and the wingtip of the ERJ-170. Contributing to the accident was the positioning of the ERJ-170 by the Compass ground personnel.
Factual narrative
The ERJ-170 had been pushed back from gate G4 and positioned facing northwest on taxiway B with its parking brake set. The B757 was taxiing along taxiway A and the captain reported that he observed the ERJ-170 and ground personnel, however, it was difficult to judge the distance so he offset his taxi to the left to "be on the safe side". He reported the presence of the wing walker gave him "a false sense of security." The wing walker reported he signaled with his lighted wands for the B757 to stop but it was too late and the airplanes collided. The left wing spar of the ERJ-170 was fractured, resulting in substantial damage, and the B757 experienced minor damage to its right wing leading edge slat. In the vicinity of the collision, taxiway B has a distinct bend which brings it closer to taxiway A. Weather at the time of the event was reported as night visual conditions. The ERJ-170 had been pushed back from gate G4 and positioned facing northwest on taxiway B with its parking brake set. The B757 was taxiing along taxiway A and the captain reported that he observed the ERJ-170 and ground personnel, however, it was difficult to judge the distance so he offset his taxi to the left to "be on the safe side". He reported the presence of the wing walker gave him "a false sense of security." The wing walker reported he signaled with his lighted wands for the B757 to stop but it was too late and the airplanes collided. The left wing spar of the ERJ-170 was fractured, resulting in substantial damage, and the B757 experienced minor damage to its right wing leading edge slat. In the vicinity of the collision, taxiway B has a distinct bend which brings it closer to taxiway A. Weather at the time of the event was reported as night visual conditions. Source: NTSB Aviation Accident Database Retrieved: 2026-02-12
NTSB Findings
Hierarchical cause / factor breakdown from the FAA bulk avdata database. Each finding tagged C (Cause) or F (Factor).
- C Personnel issues-Action/decision-Action-Incorrect action selection-Pilot of other aircraft - C
- F Aircraft-Aircraft handling/service-Towing and taxiing-Towing-Not specified - F
- C Personnel issues-Action/decision-Action-Incorrect action selection-Pilot - C
- F Aircraft-Aircraft handling/service-Towing and taxiing-Towing-Not specified - F
Verbatim from NTSB's published report. Source file
NTSB_2014_DCA15CA012.txt.
Findings + structured fields enriched from FAA avall.mdb.
Full investigation docket on
data.ntsb.gov ↗.
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