- Date
- September 11, 2001
- Place
- Shanksville, PA
- Injuries
- 44 fatal
- Damage
- Destroyed
- Phase of flight
- Enroute
- Aircraft
- N591UABoeing 757
- Status
- Completed · report March 7, 2006
- Report
- Approved by Office Director
- NTSB office
- Major Investigations Division
- FAA report
- 20010911039179A
- Case key
- 53530
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 Safety Board did not determine the probable cause and does not plan to issue a report or open a public docket. The terrorist attacks of September 11, 2001 are under the jurisdiction of the Federal Bureau of Investigation. The Safety Board provided requested technical assistance to the FBI, and any material generated by the NTSB is under the control of the FBI.
Sequence of events
NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.
Analysis
The terrorist attacks of September 11, 2001 are under the jurisdiction of the Federal Bureau of Investigation. The Safety Board provided requested technical assistance to the FBI, and any material generated by the NTSB is under the control of the FBI. The Safety Board does not plan to issue a report or open a public docket.
Factual narrative
The terrorist attacks of September 11, 2001 are under the jurisdiction of the Federal Bureau of Investigation. The Safety Board provided requested technical assistance to the FBI, and any material generated by the NTSB is under the control of the FBI. The Safety Board does not plan to issue a report or open a public docket.
Aircraft
- Registration
- N591UA
- Reported as
- Boeing 757
- Category
- Airplane
- Serial number
- 28142
- Damage
- Destroyed
- Flight
- Part 121
- Operator
- United Airlines
- Airworthiness certificate
- Standard, Transport; Standard, Normal
- Departed
- EWR · Newark, NJ
- Destination
- SFO · San Francisco, CA
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
- 43
- Injuries
- Fatal
- Certificates
- Airline transport, Commercial
- Airplane ratings
- Multi-engine land
- Seat
- Left
- Role
- Co-pilot
- Age
- 36
- Injuries
- Fatal
- Certificates
- Commercial, Airline transport
- Airplane ratings
- Multi-engine land
- Seat
- Right
Docket · 1
The files NTSB released with the investigation on February 23, 2006, on NTSB’s docket system: statements, records, photos and specialists’ reports. 132 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.