# NTSB MKC66A0016: Air Space 18A, N111S, Anoka, MN, September 9, 1965

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: September 9, 1965
- 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: Fatal
- Injuries: 1 fatal
- Status: Completed, report November 15, 1966
- Report: Brief approved by the director
- NTSB case key (mKey): 175899
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC66A0016
- Page: https://openairdocs.org/ntsb/MKC66A0016

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-1068   65/9/9  NR.ANOKA MINN         AIR SPACE 18A       CR-  1  0  0  NONCOMMERCIAL             PRIVATE, AGE 56, 535
        TIME - 1830                    N111S               PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 13 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - ANOKA COUNTY
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: MAIN ROTOR                      IN FLIGHT: NORMAL CRUISE
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           PERSONNEL - PRODUCTION-DESIGN-PERSONNEL: POOR/INADEQUATE DESIGN
           ROTORCRAFT - FLIGHT CONTROL SYSTEMS: OTHER
           PILOT IN COMMAND - PHYSICAL IMPAIRMENT
           MISCELLANEOUS ACTS,CONDITIONS - ALCOHOLIC IMPAIRMENT OF EFFICIENCY AND JUDGMENT
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
        REMARKS- LATERAL CONTROL DEFICIENCY.
```

## Aircraft

- Registration: N111S (not matched to a registry record)
- Reported make and model: AIR SPACE 18A
- Category: Helicopter
- Engines: reciprocating
- Damage: Destroyed
- Airport: Anoka County

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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