# NTSB CHI70AC059: Boeing 720, N7210U, Chicago, IL, March 2, 1970

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: March 2, 1970
- Place: Chicago, IL · CHICAGO, IL
- Location: 41.8500° N, 87.6501° W: Placed by OpenAirDocs: center of Chicago, IL, within about 9 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.8500&lon=-87.6501&mi=10
- Phase of flight: [Standing](https://openairdocs.org/ntsb-phases/150) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious, 8 minor, 86 uninjured
- Status: Completed, report December 4, 1970
- Report: Brief approved by the director
- NTSB case key (mKey): 138564
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI70AC059
- Page: https://openairdocs.org/ntsb/CHI70AC059

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
1-0024   70/3/2    CHICAGO,ILL         BOEING 720          CR-  0  0  7  SCHED DOM PASSG SRV       AIRLINE TRANSPORT, AGE
        TIME - 1905                    N7210U              PX-  0  1 87                            48, 15000 TOTAL HOURS,
                                       DAMAGE-NONE         OT-  0  0  0                            5316 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - OHARE INTL
        OPERATOR - UNITED AIR LINES,INC.
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          SAN FRANCISCO,CALIF         CLEVELAND,OHIO               CHICAGO,ILL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           FIRE OR EXPLOSION: ON GROUND                             STATIC: STARTING ENGINE(S)
           MISCELLANEOUS                                            STATIC: OTHER
        PROBABLE CAUSE(S)
           MISCELLANEOUS ACTS,CONDITIONS - FIRE IN ENGINE
          MISC-2 ESCAPE CHUTES INOP.1 PAX DROPPED OFF WG.
        REMARKS- 2ENGS SHTDN DUE WX DLA.NR1 CAUGHT FIRE ON RESTRT
```

## Aircraft

- Registration: [N7210U](https://openairdocs.org/deregistered/N7210U-1976-05-05), registration cancelled 1976-05-05, S/N 17916 (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: No damage
- Airport: Ohare Intl

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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