# NTSB MKC71DCD10: Piper PA-23, N1309P, Grand Junctn, IA, July 23, 1970

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 23, 1970
- Place: Grand Junctn, IA · GRAND JUNCTN, IA
- Location: 42.0330° N, 94.2370° W: Placed by OpenAirDocs: center of Grand Junction, IA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.0330&lon=-94.2370&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report May 24, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 109817
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC71DCD10
- Page: https://openairdocs.org/ntsb/MKC71DCD10

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3117  70/7/23    GRAND JUNCTN,IOWA   PIPER PA-23         CR-  0  0  2  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1000                    N1309P              PX-  0  0  0  DUAL                      AGE 28, 2300 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            60 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          BOONE,IOWA                  JEFFERSON,IOWA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           COLLISION WITH GROUND/WATER: CONTROLLED                  LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF POWERPLANT & POWERPLANT CONTROLS
           PILOT IN COMMAND - INADEQUATE SUPERVISION OF FLIGHT
           DUAL STUDENT - IMPROPER OPERATION OF POWERPLANT & POWERPLANT CONTROLS
           DUAL STUDENT - SPONTANEOUS-IMPROPER ACTION
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPER EMERGENCY PROCEDURES
           MISCELLANEOUS ACTS,CONDITIONS - SIMULATED CONDITIONS
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- IP CUT MIXT CTL TO SIM ENG OUT.STUDENT MISTOOK PROP CTL FOR THROTTLE,PROP FEATH.UN MAINTAIN FLT.
```

## Aircraft

- Registration: [N1309P](https://openairdocs.org/deregistered/N1309P-2017-10-28), registration cancelled 2017-10-28, S/N 23-349, built 1955 (OpenAirDocs)
- Reported make and model: PIPER PA-23
- Registry model: [Piper PA-23](https://openairdocs.org/model/piper-pa-23) (registry code 7102302) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: 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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