# NTSB MKC72AK023: Beech C35, N8953A, Hartford, SD, October 1, 1971

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: October 1, 1971
- Place: Hartford, SD · HARTFORD, SD
- Location: 43.6215° N, 96.9349° W: Placed by OpenAirDocs: center of Hartford, SD, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=43.6215&lon=-96.9349&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 4 fatal
- Status: Completed, report April 18, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 163997
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC72AK023
- Page: https://openairdocs.org/ntsb/MKC72AK023

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3359   71/10/1   HARTFORD,S DAK      BEECH C35           CR-  1  0  0  NONCOMMERCIAL             PRIVATE, AGE 37, 467
        TIME - 1028                    N8953A              PX-  3  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 74 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          MINNEAPOLIS,MINN            NORTH PLATTE,NEBR
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           AIRFRAME FAILURE: IN FLIGHT                              IN FLIGHT: OTHER
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - SPATIAL DISORIENTATION
           PILOT IN COMMAND - EXCEEDED DESIGNED STRESS LIMITS OF AIRCRAFT
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
           WEATHER - THUNDERSTORM ACTIVITY
        FACTOR(S)
           PERSONNEL - WEATHER PERSONNEL: INCORRECT WEATHER FORECAST
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
        WEATHER BRIEFING - BRIEFED BY FLIGHT SERVICE PERSONNEL, BY PHONE
        WEATHER FORECAST - WEATHER CONSIDERABLY WORSE THAN FORECAST
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OBSCURATION                                               500
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          1 MILE OR LESS                                            RAIN SHOWERS, THUNDERSTORM
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TYPE OF WEATHER CONDITIONS
          NONE                                                     IFR
        TYPE OF FLIGHT PLAN
          IFR
        REMARKS- FLEW INTO UNFCSTD TSTM. R WG,BOTH STABS AND CTL SURFACES SEPARATED IN FLT.
```

## Aircraft

- Registration: [N8953A](https://openairdocs.org/deregistered/N8953A-1972-01-14), registration cancelled 1972-01-14, S/N D-2707 (OpenAirDocs)
- Reported make and model: BEECH C35
- Registry model: [Beech C35](https://openairdocs.org/model/beech-c35) (registry code 1151508) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed

## Other investigations on N8953A (1)

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.

- [NTSB MKC70D0126](https://openairdocs.org/ntsb/MKC70D0126), Aug 1, 1969: Beech C35 (N8953A), Crystal, MN, substantial damage

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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