# NTSB NYC71AN043: Aero Comdr 500-B, N701X, Mahaffey, PA, October 4, 1970

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: October 4, 1970
- Place: Mahaffey, PA · MAHAFFEY, PA
- Location: 40.8739° N, 78.7271° W: Placed by OpenAirDocs: center of Mahaffey, PA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.8739&lon=-78.7271&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 2 fatal
- Status: Completed, report January 29, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 166717
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC71AN043
- Page: https://openairdocs.org/ntsb/NYC71AN043

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1668   70/10/4   MAHAFFEY,PA         AERO COMDR 500-B    CR-  1  0  0  NONCOMMERCIAL             PRIVATE, AGE 46, 10000
        TIME - 1510                    N701X               PX-  1  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 800 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - MILLER
        DEPARTURE POINT             INTENDED DESTINATION
          DUBOIS,PA                   ROANOKE,VA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            LANDING: FINAL APPROACH
           STALL: SPIN                                              LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
           POWERPLANT - MISCELLANEOUS: POWERPLANT FAILURE FOR UNDETERMINED REASONS
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
           PILOT IN COMMAND - PHYSICAL IMPAIRMENT
           MISCELLANEOUS ACTS,CONDITIONS - ALCOHOLIC IMPAIRMENT OF EFFICIENCY AND JUDGMENT
        FACTOR(S)
           PERSONNEL - MISCELLANEOUS-PERSONNEL: PASSENGER
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING ON AIRPORT
                                  PHYSICAL CONDITION OF PASSENGER
        REMARKS- PLT BLOOD ALCOHOL LEVEL 0.17 PCT.EVIDENCE SHOWS PAX HAD SEVERE HEART ATTACK PRIOR TO ACCDT.
```

## Aircraft

- Registration: [N701X](https://openairdocs.org/deregistered/N701X-1972-01-18), registration cancelled 1972-01-18, S/N 500B-916-3 (OpenAirDocs)
- Reported make and model: AERO COMDR 500-B
- Registry model: [Aero Commander 500-B](https://openairdocs.org/model/aero-commander-500-b) (registry code 0141106) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Miller

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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