# NTSB MKC73AK060: Piper PA-12, N7705H, Bock, MN, April 8, 1973

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: April 8, 1973
- Place: Bock, MN · BOCK, MN
- Location: 45.7845° N, 93.5528° W: Placed by OpenAirDocs: center of Bock, MN, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=45.7845&lon=-93.5528&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 2 fatal
- Status: Completed, report May 15, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 170304
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC73AK060
- Page: https://openairdocs.org/ntsb/MKC73AK060

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0674   73/4/8    BOCK,MINN           PIPER PA-12         CR-  2  0  0  NONCOMMERCIAL             PRIVATE, AGE 49, 1271
        TIME - 1035                    N7705H              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, UNK/NR IN
                                       DAMAGE-DESTROYED    OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          MINNEAPOLIS,MINN           UNKNOWN/NOT REPORTED
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: WIRES/POLES                               IN FLIGHT: BUZZING
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - EXERCISED POOR JUDGMENT
           PILOT IN COMMAND - FAILED TO SEE AND AVOID OBJECTS OR OBSTRUCTIONS
           MISCELLANEOUS ACTS,CONDITIONS - UNWARRANTED LOW FLYING
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
           MISCELLANEOUS ACTS,CONDITIONS - PREVIOUS DAMAGE
        FACTOR(S)
           TERRAIN - HIGH OBSTRUCTIONS
        REMARKS- HIT PWR LINES ABOUT 32 FT AGL BUZZING FARM HOUSES. CONT FLT ABOUT 1/2 MI AND CRASHED IN TURN.
```

## Aircraft

- Registration: [N7705H](https://openairdocs.org/aircraft/N7705H), registered now, S/N 12-597, built 1946 (OpenAirDocs)
- Reported make and model: PIPER PA-12
- Registry model: [Piper PA-12](https://openairdocs.org/model/piper-pa-12) (registry code 7101202) (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

## 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 19730408016789A](https://openairdocs.org/incident/19730408016789A), Apr 8, 1973: Piper PA12, Bock, MN, Substantial damage, 1 fatal. Hit pwr lines about 32 ft AGL buzzing farm houses. Cont flt about 1/2 mi and crashed in turn.

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.