# NTSB DCA68A0002: Convair 880, N821TW, Constance, KY, November 20, 1967

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: November 20, 1967
- Place: Constance, KY · CONSTANCE, KY
- Location: 39.0739° N, 84.6374° W: Placed by OpenAirDocs: center of Constance, KY, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.0739&lon=-84.6374&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 69 fatal, 13 serious
- Status: Completed, report October 3, 1969
- Report: Brief approved by the director
- NTSB case key (mKey): 113454
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DCA68A0002
- Page: https://openairdocs.org/ntsb/DCA68A0002

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
1-0033  67/11/20   CONSTANCE,KY        CONVAIR 880         CR-  5  2  0  SCHED DOM PASSG SRV       AIRLINE TRANSPORT, AGE
        TIME - 2057                    N821TW              PX- 64 11  0                            45, 12895 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            1389 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - GTR CINCINATTI
        OPERATOR - TRANS WORLD AIRLINES,INC.
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          LOS ANGELES                 BOSTON                       PITTSBURGH
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           UNDERSHOOT                                               LANDING: FINAL APPROACH
           COLLIDED WITH: *ERROR-INVALID CODE*                      LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED ALTITUDE
           COPILOT - MISJUDGED ALTITUDE
        FACTOR(S)
           WEATHER - LOW CEILING
           WEATHER - SNOW
        WEATHER BRIEFING - COMPANY DISPATCH
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OBSCURATION                                               1000
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          2 MILES OR LESS                                          SNOW
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  WIND DIRECTION-DEGREES
          HAZE                                                      90
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           8                                                       IFR
        TYPE OF FLIGHT PLAN
          IFR
         FIRE AFTER IMPACT
        REMARKS- CREW ATTEMPTD NIGHT,VISUAL NO-GS APCH IN DETERIORATING WX W/O ADEQUATE ALTIMETER CROSS REFERENCE.
```

## Aircraft

- Registration: [N821TW](https://openairdocs.org/deregistered/N821TW-1968-08-08), registration cancelled 1968-08-08, S/N 27 (OpenAirDocs)
- Reported make and model: CONVAIR 880
- Registry model: [Convair 880](https://openairdocs.org/model/convair-880) (registry code 2423299) (OpenAirDocs)
- Category: Airplane
- Engines: turbo fan
- Damage: Destroyed
- Airport: Gtr Cincinatti

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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