# NTSB MKC76FER21: Piper PA-23, N4325P, Aitkin, MN, August 10, 1975

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: August 10, 1975
- Place: Aitkin, MN · AITKIN, MN
- Location: 46.5266° N, 93.7050° W: Placed by OpenAirDocs: center of Aitkin, MN, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=46.5266&lon=-93.7050&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report November 10, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 150006
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC76FER21
- Page: https://openairdocs.org/ntsb/MKC76FER21

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2921  75/8/10    AITKIN,MN           PIPER PA-23         CR-  0  0  1  NONCOMMERCIAL             STUDENT, AGE 16, UNK/NR
        TIME - 1030                    N4325P              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 39 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - AITKIN MUNI
        DEPARTURE POINT             INTENDED DESTINATION
          AITKIN,MN                   LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: INITIAL CLIMB
           COLLIDED WITH: RESIDENCE(S)                              LANDING: OTHER
        PROBABLE CAUSE(S)
           POWERPLANT - MISCELLANEOUS: POWERPLANT FAILURE FOR UNDETERMINED REASONS
           PILOT IN COMMAND - DIVERTED ATTENTION FROM OPERATION OF AIRCRAFT
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- LOST PWR R ENG,ATMTD PUMP GR UP.HYD PUMP ON L ENG.L ENG THEN FAILED.
```

## Aircraft

- Registration: [N4325P](https://openairdocs.org/deregistered/N4325P-2013-05-09), registration cancelled 2013-05-09, S/N 23-1826, 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: Destroyed
- Airport: Aitkin Muni

## 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 19750810029819A](https://openairdocs.org/incident/19750810029819A), Aug 10, 1975: Piper PA23, Aitkin, MN, Destroyed. Lost pwr r eng,atmtd pump gr up. Hyd pump on l eng.l eng then failed.

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.