# Accident 20080113000352A: Boeing 757222, San Francisco, CA, January 13, 2008

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: January 13, 2008, 19:32 local time
- Place: San Francisco, CA
- Airport: San Francisco International
- Damage: Substantial damage
- Collision: Midair collision, second aircraft
- Phase of flight: Other Ground Ops
- Operating rules: Air carrier (Part 121)
- Operator: UALA
- Location: 37.6189° N, 122.3747° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=37.6189&lon=-122.3747&mi=10
- Aircraft: N508UA, registered now (https://openairdocs.org/aircraft/N508UA) (OpenAirDocs)
- Registry model: Boeing 757-222 (registry code 1384956, https://openairdocs.org/model/boeing-757-222) (OpenAirDocs)
- Registry engine: Pratt & Whitney PW2040 (registry code 52121, https://openairdocs.org/engine/pratt-whitney-pw2040) (OpenAirDocs)
- Reported make and model: BOEING 757222
- Reported engine: PWA PW2037
- Fatal injuries: 0
- NTSB investigation: [NTSB SEA08LA061](https://openairdocs.org/ntsb/SEA08LA061) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20080113000352A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

(-23) ON JANUARY 13, 2008 AT SAN FRANCISCO INTERNATIONAL AIRPORT, APPROXIMATELY 1932 HRS PST TWO AIRCRAFT BACKED INTO EACH OTHER DURING PUSH BACK. THE UNITED AIRLINES (UAL) BOEING 757-222 AIRCRAFT, REGISTRATION NUMBER N508UA, SERIAL NUMBER 24744 WAS BEING PUSHED FROM GATE 80 TO BE TOWED TO UAL MAINTENANCE OPERATIONS CENTER (MOC). THE UNITED EXPRESS (SKY WEST) BOMBARDIER CL-600-2C10 AIRCRAFT, REGISTRATION NUMBER N705SK, SERIAL NUMBER 10145 HAD BEEN PUSHED FROM GATE 79 ONTO TAXIWAY ALPHA WITH BRAKES SET FOR DISPATCH. DURING PUSH FROM THE GATES BOTH AIRCRAFT MADE TAIL TO TAIL CONTACT THAT RESULTED IN SUBSTANTIAL STRUCTURAL DAMAGE TO BOTH AIRCRAFT. THE BOEING 757-222 AIRCRAFT LOWER RUDDER, RIGHT ELEVATOR TRAILING EDGE AND APU TAIL CONE RECEIVED SUBSTANTIAL DAMAGE AFTER IMPACT. THE BOMBARDIER AIRCRAFT VERTICAL TAIL AND RIGHT HORIZONTAL RECEIVED SUBSTANTIAL DAMAGE AFTER IMPACT.

## The NTSB's investigation of this event (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB SEA08LA061](https://openairdocs.org/ntsb/SEA08LA061), Jan 14, 2008: Boeing 757-222 (N508UA), San Francisco, CA, substantial damage. Probable cause: The company tug operator's failure to maintain clearance with another aircraft during the pushback process. Also causal was the ground controller's failure to alert the pilot of the other aircraft…

## Other reports on N508UA (3)

Matched to the same aircraft by N-number and date.

- [Incident 19990302016819I](https://openairdocs.org/incident/19990302016819I), Mar 2, 1999: Boeing 757222 (N508UA), Detroit, MI. (-5)On March 2, 1999, while climbing in the vicinity of the carleton VOR, Michigan, 3 of the four flight attendants in the extreme aft portion of united…
- [Accident 19930802031169A](https://openairdocs.org/incident/19930802031169A), Aug 2, 1993: Boeing 757222 (N508UA), Denver, CO, Substantial damage. Bounced on landing. Assumed nose high attitude and dragged tail on runway.
- [Incident 19930213006269I](https://openairdocs.org/incident/19930213006269I), Feb 13, 1993: Boeing 757222 (N508UA), Grand Junction, CO. Left generator off line. Acrid odor. APU started. Diverted to Grand juction.

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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