# NTSB SEA62A0003: Boeing 720, N7206U, Portland, OR, February 1, 1962

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: February 1, 1962
- Place: Portland, OR · PORTLAND, OR
- Location: 45.5235° N, 122.6762° W: Placed by OpenAirDocs: center of Portland, OR, within about 7 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=45.5235&lon=-122.6762&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 49 uninjured
- Status: Completed, report April 21, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 183184
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA62A0003
- Page: https://openairdocs.org/ntsb/SEA62A0003

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
1-0008   62/2/1    PORTLAND,OREG       BOEING 720          CR-  0  0  7  SCHED DOM PASSG SRV       AIRLINE TRANSPORT, AGE
        TIME - 2353                    N7206U              PX-  0  0 42                            53, 21000 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            772 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - PORTLAND INTL
        OPERATOR - UNITED AIR LINES,INC.
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          SEATTLE,WASH                CHICAGO,ILL                  PORTLAND,OREG
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: RUN
           MISCELLANEOUS                                            TAKEOFF: RUN
        PROBABLE CAUSE(S)
           POWERPLANT - COMPRESSOR ASSEMBLY: BLADE,COMPRESSOR ROTOR
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        REMARKS- 3 THIRD STAGE COMPRESSOR BLADES OF NR 1 ENG FAILED. ENG PIECES HIT L WG,L FLAP AND L SIDE FUSELAGE
```

## Aircraft

- Registration: [N7206U](https://openairdocs.org/deregistered/N7206U-1976-05-04), registration cancelled 1976-05-04, S/N 17912 (OpenAirDocs)
- Reported make and model: BOEING 720
- Registry model: [Boeing 720-022](https://openairdocs.org/model/boeing-720-022) (registry code 1383810) (OpenAirDocs)
- Category: Airplane
- Engines: turbo jet
- Damage: Substantial damage
- Airport: Portland Intl

## Other investigations on N7206U (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 CHI69A0027](https://openairdocs.org/ntsb/CHI69A0027), Sep 6, 1968: Boeing 720 (N7206U), Cleveland, OH, substantial damage

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.

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