# NTSB CHI68A0088: Lockheed PV-1, N340, Valparaiso, IN, April 15, 1968

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: April 15, 1968
- Place: Valparaiso, IN · VALPARAISO, IN
- Location: 41.4798° N, 87.0523° W: Placed by OpenAirDocs: center of Valparaiso, IN, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.4798&lon=-87.0523&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report October 17, 1968
- Report: Brief approved by the director
- NTSB case key (mKey): 110554
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI68A0088
- Page: https://openairdocs.org/ntsb/CHI68A0088

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2721  68/4/15    VALPARAISO,IND      LOCKHEED PV-1       CR-  0  0  2  NONCOMMERCIAL             AIRLINE TRANSPORT, AGE
        TIME - 1357                    N340                PX-  0  0  0  CORP/EXEC                 45, 10500 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            4000 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - PORTER COUNTY
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           COPILOT - IMPROPER OPERATION OF FLIGHT CONTROLS
           COPILOT - SPONTANEOUS-IMPROPER ACTION
        FACTOR(S)
           AIRFRAME - LANDING GEAR: TAILWHEEL ASSEMBLIES
           MISCELLANEOUS ACTS,CONDITIONS - VIBRATION,EXCESSIVE
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        REMARKS- TAILWHEEL CAME UNLOCKED DUE TO EXCESSIVE FORWARD ELEVATOR CNTRL ON BOUNCED LNDG. TAILWHEEL FAILED.
```

## Aircraft

- Registration: N340 (not matched to a registry record)
- Reported make and model: LOCKHEED PV-1
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Porter County

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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