# NTSB MKC75AK052: Beech C90, N4146S, Grand Rapids, MN, April 18, 1975

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: April 18, 1975
- Place: Grand Rapids, MN · GRAND RAPIDS, MN
- Location: 47.2385° N, 93.5326° W: Placed by OpenAirDocs: center of Grand Rapids, MN, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=47.2385&lon=-93.5326&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal, 1 serious
- Status: Completed, report August 7, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 149253
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC75AK052
- Page: https://openairdocs.org/ntsb/MKC75AK052

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1796  75/4/18    GRAND RAPIDS,MN     BEECH C90           CR-  0  1  0  NONCOMMERCIAL             AIRLINE TRANSPORT, AGE
        TIME - 0033                    N4146S              PX-  1  0  0  CORP/EXEC                 39, 5411 TOTAL HOURS, 195
                                       DAMAGE-DESTROYED    OT-  0  0  0                            IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - ITASCA COUNTY
        DEPARTURE POINT             INTENDED DESTINATION
          ANOKA,MN                    GRAND RAPIDS,MN
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: TREES                                     LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER IFR OPERATION
           PILOT IN COMMAND - FAILED TO FOLLOW APPROVED PROCEDURES,DIRECTIVES,ETC.
        FACTOR(S)
           WEATHER - LOW CEILING
           WEATHER - FOG
        WEATHER BRIEFING - BRIEFED BY FLIGHT SERVICE PERSONNEL, BY PHONE
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OVERCAST                                                  200
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          2 MILES OR LESS                                          RAIN
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          FOG                                                       37
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          280                                                       5
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          BELOW MINIMUMS                                           IFR
         FIRE AFTER IMPACT
        REMARKS- DSCNDD BELOW MDA, HIT TREES APRX 1-1/2MIS OF ARPT. VOR APCH.
```

## Aircraft

- Registration: [N4146S](https://openairdocs.org/deregistered/N4146S-2013-04-11), registration cancelled 2013-04-11, S/N LJ-646, built 1974 (OpenAirDocs)
- Reported make and model: BEECH C90
- Registry model: [Beech C90](https://openairdocs.org/model/beech-c90) (registry code 1152913) (OpenAirDocs)
- Registry engine: [Pratt & Whitney Canada PT6A-60A](https://openairdocs.org/engine/pratt-whitney-canada-pt6a-60a) (registry code 52043, turbo-prop) (OpenAirDocs)
- Category: Airplane
- Engines: turbo prop
- Damage: Destroyed
- Airport: Itasca County

## 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 19750418020469A](https://openairdocs.org/incident/19750418020469A), Apr 18, 1975: Beech 65A90, Grand Rapids, MN, Destroyed, 1 fatal. Dscndd below mda, hit trees aprx 1-1/2MIS of arpt. VOR apch.

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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