# NTSB DEN78FTE65: Piper PA-23, N4245P, Castle Rock, CO, June 19, 1978

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: June 19, 1978
- Place: Castle Rock, CO · CASTLE ROCK, CO
- Location: 39.3722° N, 104.8561° W: Placed by OpenAirDocs: center of Castle Rock, CO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.3722&lon=-104.8561&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 2 serious
- Status: Completed, report August 7, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 141450
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN78FTE65
- Page: https://openairdocs.org/ntsb/DEN78FTE65

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1805  78/6/19    CASTLE ROCK,CO      PIPER PA-23         CR-  0  2  0  INSTRUCTIONAL             ATP,FLIGHT INSTR., AGE
        TIME - 2030                    N4245P              PX-  0  0  0  DUAL                      33, 1937 TOTAL HOURS, 280
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          ARAPAHOE,CO                 ARAPAHOE,CO
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           WHEELS-UP                                                LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           DUAL STUDENT - IMPROPER OPERATION OF POWERPLANT & POWERPLANT CONTROLS
           PILOT IN COMMAND - INADEQUATE SUPERVISION OF FLIGHT
           MISCELLANEOUS ACTS,CONDITIONS - FEATHERED WRONG ENGINE
           MISCELLANEOUS ACTS,CONDITIONS - INTENTIONAL WHEELS-UP
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SIMULATED CONDITIONS
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-2 ENGINES
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
```

## Aircraft

- Registration: [N4245P](https://openairdocs.org/deregistered/N4245P-2012-11-07), registration cancelled 2012-11-07, S/N 23-1744, built 1959 (OpenAirDocs)
- Reported make and model: PIPER PA-23
- Registry model: [Piper PA-23-160](https://openairdocs.org/model/piper-pa-23-160) (registry code 7102304) (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

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19780619015769A](https://openairdocs.org/incident/19780619015769A), Jun 19, 1978: Piper PA23160, Castle Rock, CO, 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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