# NTSB MKC7LFER13: Beech 35, N463B, Anoka, MN, July 30, 1975

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 30, 1975
- Place: Anoka, MN · ANOKA, MN
- Location: 45.2144° N, 93.3916° W: Placed by OpenAirDocs: center of Anoka, MN, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=45.2144&lon=-93.3916&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 4 uninjured
- Status: Completed, report October 16, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 150641
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC7LFER13
- Page: https://openairdocs.org/ntsb/MKC7LFER13

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2688  75/7/30    ANOKA,MN            BEECH 35            CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 38, 978
        TIME - 2015                    N463B               PX-  0  0  3  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 184 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          ST PAUL,MN                  ST CLOUD,MN
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: PROPELLER                       IN FLIGHT: NORMAL CRUISE
           COLLIDED WITH: OBJECT                                    LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           POWERPLANT - PROPELLER AND ACCESSORIES: HYDRAULIC PITCH CONTROL MECHANISM
           PILOT IN COMMAND - FAILED TO SEE AND AVOID OBJECTS OR OBSTRUCTIONS
           MISCELLANEOUS ACTS,CONDITIONS - WINDSHIELD,DIRTY,FOGGY,ETC.-RESTRICTED VISION
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING OFF AIRPORT
                                  SUSPECTED MECHANICAL DISCREPANCY
        REMARKS- PROP CYL DIAPHRAM P/N B119.IMPRESSION ON DIAPHRAM INDICATED SCREWS MAY HAVE BEEN TORQUED TOO TIGHT
```

## Aircraft

- Registration: [N463B](https://openairdocs.org/deregistered/N463B-2013-03-18), registration cancelled 2013-03-18, S/N D-1480, built 1948 (OpenAirDocs)
- Reported make and model: BEECH 35
- Registry model: [Beech 35](https://openairdocs.org/model/beech-35) (registry code 1151502) (OpenAirDocs)
- Registry engine: [Continental E185 series](https://openairdocs.org/engine/continental-e185-series) (registry code 17014, 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 19750730026419A](https://openairdocs.org/incident/19750730026419A), Jul 30, 1975: Beech 35BEECH, Anoka, MN, Substantial damage. Prop cyl diaphram p/n B119.impression on diaphram indicated screws may have been torqued too tight

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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