DCA15CA118

NTSB accident investigation · Bombardier CL600 2D24 · Phoenix, AZ · May 4, 2015

Accident · No injuriesData collectionFinal report
Date
May 4, 2015, 14:10 UTC
Place
Phoenix, AZ
Injuries
79 uninjured
Damage
Substantial damage
Phase of flight
Taxi
Aircraft
N932LRBombardier CL600 2D24
Defining event
Taxi-from runway: Ground collision
Weather
Visual (VMC) · Day
Status
Completed · report March 30, 2020
Report
Approved by Office Director
NTSB office
Major Investigations Division
FAA report
20150504005862A
Case key
91139

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

On this page

Probable cause

the CRJ900 captain's misjudgment of the clearance between their horizontal stabilizer and the B757 winglet.

Findings · 1

NTSB’s coded findings. Those marked are part of the probable cause; the rest are factors or other findings. Under each, the cases with the same finding.

Sequence of events

The events NTSB coded, in order, by phase of flight. The defining event is the one that best describes the accident. Under each, the cases with the same event anywhere in their sequence.

Analysis

On May 4, 2015, at about 1410 UTC time, Mesa Airlines flight 5612, a CRJ900, N932LR, collided with a parked US Airways B757, while taxiing in the gate area of Phoenix Sky Harbor Airport (PHX). The left horizontal stabilizer of the CRJ900 was substantially damaged when it struck the left winglet of the B757. There were no injuries to the 81 passengers and crew onboard the CRJ900. The B757 received minor damage and there were no persons aboard. Flight 5612 was operating under 14 Code of Federal Regulations Par 121 as a regularly scheduled passenger flight from Albuquerque International Sunport (KABQ), Albuquerque, New Mexico, to KPHX. After landing in KABQ, the crew were notified via ACARS that their arrival gate had changed from B7 to B21. After arriving at the gate area, the crew inadvertently lined up with gate B23 and awaited marshallers. As the marshallers arrived, the crew noticed that they were aligned with the wrong gate and that a left turn to enter gate B21 was not possible due to ground obstructions. As a result, the flight crew decided to perform a right turn to return to the ramp area and then enter gate B23. The B757 was parked to the right of the CRJ900 at gate B25, and was aligned at about a 45 degree angle relative to the other parking configurations. As they reached approximately 90 degrees in the turn, the first officer (FO) advised the captain they were getting too close to the wing of the B757. The captain proceeded to slowly complete the right turn to exit the gate but the flight crew then felt a shudder and the FO noted possible damage to the winglet of the B757. The CRJ900 continued its taxi to the proper gate and all passengers deplaned normally. After engine shutdown, the captain exited the airplane to assess any damage to the CRJ900 and noticed the horizontal stabilizer leading edge was substantially damaged.

Factual narrative

On May 4, 2015, at about 1410 UTC time, Mesa Airlines flight 5612, a CRJ900, N932LR, collided with a parked US Airways B757, while taxiing in the gate area of Phoenix Sky Harbor Airport (PHX). The left horizontal stabilizer of the CRJ900 was substantially damaged when it struck the left winglet of the B757. There were no injuries to the 81 passengers and crew onboard the CRJ900. The B757 received minor damage and there were no persons aboard. Flight 5612 was operating under 14 Code of Federal Regulations Par 121 as a regularly scheduled passenger flight from Albuquerque International Sunport (KABQ), Albuquerque, New Mexico, to KPHX. After landing in KABQ, the crew were notified via ACARS that their arrival gate had changed from B7 to B21. After arriving at the gate area, the crew inadvertently lined up with gate B23 and awaited marshallers. As the marshallers arrived, the crew noticed that they were aligned with the wrong gate and that a left turn to enter gate B21 was not possible due to ground obstructions. As a result, the flight crew decided to perform a right turn to return to the ramp area and then enter gate B23. The B757 was parked to the right of the CRJ900 at gate B25, and was aligned at about a 45 degree angle relative to the other parking configurations. As they reached approximately 90 degrees in the turn, the first officer (FO) advised the captain they were getting too close to the wing of the B757. The captain proceeded to slowly complete the right turn to exit the gate but the flight crew then felt a shudder and the FO noted possible damage to the winglet of the B757. The CRJ900 continued its taxi to the proper gate and all passengers deplaned normally. After engine shutdown, the captain exited the airplane to assess any damage to the CRJ900 and noticed the horizontal stabilizer leading edge was substantially damaged.

Aircraft

Registration
N932LR
Reported as
Bombardier CL600 2D24 (900)
Category
Airplane
Serial number
15032
Built
2005
Airframe hours
24,875.63
Engines
General Electric CF34-8C5, 13,360 lbs thrust, turbo fanGenereal Electric CF34-8C5, 13,360 lbs thrust, turbo fan
Damage
Substantial damage
Flight
Part 121
Operator
Mesa Airlines, doing business as American Eagle
Registered owner
Mesa Airlines
Airworthiness certificate
Standard, Transport
Last inspection
Continuous airworthiness · May 3, 2015
Departed
KABQ · Albuquerque, NM
Destination
PHX · Phoenix, AZ
Flight plan
IFR
Airport
PHX · Phoenix Sky Harbor Intl
Equipment
Data recorder, Electronic flight bag or handheld device, Electronic multifunction display, Electronic primary flight display, Onboard weather, Stall warning system, Angle of attack indicator, Auto-pilot

Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

Flight crew · 2

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
27
Injuries
None
Certificates
Airline transport, Flight instructor, Commercial
Airplane ratings
Multi-engine land, Single-engine land
Instrument ratings
Airplane
Medical
Class 1, Without waivers/limitations
Last flight review
April 2, 2015
Seat
Left
Flight hours
2,609 total · 1,000 in this make and model · 1,545 as pilot in command · 127 in the last 90 days · 45 in the last 30 days · 2 in the last 24 hours
Role
Pilot
Age
29
Injuries
None
Certificates
Commercial, Airline transport
Airplane ratings
Single-engine land, Multi-engine land
Instrument ratings
Airplane
Medical
Class 1, Without waivers/limitations
Last flight review
September 11, 2014
Seat
Right
Flight hours
1,946 total · 325 in this make and model · 253 as pilot in command · 141 in the last 90 days · 56 in the last 30 days · 2 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
310° at 7 knots
Visibility
10 statute miles
Lowest ceiling
None
Altimeter
29.87 inHg
Observed at
KPHX

Docket · 3

The files NTSB released with the investigation on March 31, 2020, on NTSB’s docket system: statements, records, photos and specialists’ reports. 680 KB in all.

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.