# NTSB CHI67A0064: Boeing B-720, N7203U, Billings, MT, November 12, 1966

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: November 12, 1966
- Place: Billings, MT · BILLINGS, MT
- Location: 45.7833° N, 108.5007° W: Placed by OpenAirDocs: center of Billings, MT, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=45.7833&lon=-108.5007&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious, 80 uninjured
- Status: Completed, report August 28, 1967
- Report: Brief approved by the director
- NTSB case key (mKey): 120561
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI67A0064
- Page: https://openairdocs.org/ntsb/CHI67A0064

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
1-0068  66/11/12 NR.BILLINGS,MONT      BOEING B-720        CR-  0  0  7  SCHED DOM PASSG SRV       AIRLINE TRANSPORT, AGE
        TIME - 1354                    N7203U              PX-  0  1 73                            51, 18555 TOTAL HOURS,
                                       DAMAGE-NONE         OT-  0  0  0                            2343 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        OPERATOR - UNITED AIR LINES,INC.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           TURBULENCE                                               IN FLIGHT: NORMAL CRUISE
        PROBABLE CAUSE(S)
           WEATHER - TURBULENCE IN FLIGHT,CLEAR AIR
           PERSONNEL - MISCELLANEOUS-PERSONNEL: PASSENGER
           PERSONNEL - FLIGHT PERSONNEL
        WEATHER BRIEFING - COMPANY DISPATCH
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  WIND DIRECTION-DEGREES
          NONE                                                     290
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           65                                                      VFR
        TYPE OF FLIGHT PLAN
          IFR
        REMARKS- PX FELL WHILE RETURNING TO SEAT.COCKPIT WARNING GIVEN.ATTENDANTS FAILED TO OBSERVE PX MOVEMENTS.
```

## Aircraft

- Registration: [N7203U](https://openairdocs.org/deregistered/N7203U-1976-05-04), registration cancelled 1976-05-04, S/N 17909 (OpenAirDocs)
- Reported make and model: BOEING B-720
- Registry model: [Boeing 720-022](https://openairdocs.org/model/boeing-720-022) (registry code 1383810) (OpenAirDocs)
- Category: Airplane
- Engines: turbo fan
- Damage: No 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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