# NTSB MKC72FTK11: Beech S35, N198Q, Pierre, SD, November 25, 1971

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: November 25, 1971
- Place: Pierre, SD · PIERRE, SD
- Location: 44.3752° N, 100.3200° W: Placed by OpenAirDocs: center of Pierre, SD, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=44.3752&lon=-100.3200&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 3 serious, 2 minor
- Status: Completed, report April 12, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 164487
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC72FTK11
- Page: https://openairdocs.org/ntsb/MKC72FTK11

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3302  71/11/25   PIERRE,S DAK        BEECH S35           CR-  0  1  0  NONCOMMERCIAL             COMMERCIAL, AGE 41, 621
        TIME - 1637                    N198Q               PX-  0  2  2  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 134 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - PIERRE
        DEPARTURE POINT             INTENDED DESTINATION
          MINNEAPOLIS,MINN            PIERRE,S DAK
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: UNCONTROLLED                LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - ATTEMPTED OPERATION W/KNOWN DEFICIENCIES IN EQUIPMENT
           MISCELLANEOUS ACTS,CONDITIONS - AIRFRAME ICE
           WEATHER - ICING CONDITIONS-INCLUDES SLEET,FREEZING RAIN,ETC.
        FACTOR(S)
           WEATHER - LOW CEILING
           WEATHER - RAIN
           WEATHER - FOG
        WEATHER BRIEFING - BRIEFED BY FLIGHT SERVICE PERSONNEL, BY PHONE
        WEATHER FORECAST - WEATHER CONSIDERABLY WORSE THAN FORECAST
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OVERCAST                                                  400
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          3/4 MILE OR LESS                                         DRIZZLE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          FOG                                                       31
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
           50                                                       8
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          BELOW MINIMUMS                                           IFR
        REMARKS- ACFT NOT DE-ICER EQUIPPED,CONTINUED FLT INTO FCSTD ICING CONDS.TERM WX DETERIORATED.
```

## Aircraft

- Registration: [N198Q](https://openairdocs.org/deregistered/N198Q-2009-07-09), registration cancelled 2009-07-09, S/N D-7766, built 1965 (OpenAirDocs)
- Reported make and model: BEECH S35
- Registry model: [Beech S35](https://openairdocs.org/model/beech-s35) (registry code 1151532) (OpenAirDocs)
- Registry engine: [Continental IO-520 series](https://openairdocs.org/engine/continental-io-520-series) (registry code 17032, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Pierre

## Other investigations on N198Q (2)

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 MKC67F0040](https://openairdocs.org/ntsb/MKC67F0040), Jul 12, 1966: Beech S35 (N198Q), Wahpeton, ND, substantial damage
- [NTSB MKC66D0512](https://openairdocs.org/ntsb/MKC66D0512), Mar 14, 1966: Beech S35 (N198Q), Hawarden, IA, 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.

---
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.