# NTSB MKC69F0315: Mooney M20A, N5531Q, Williams, IA, January 5, 1969

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: January 5, 1969
- Place: Williams, IA · WILLIAMS, IA
- Location: 42.4892° N, 93.5412° W: Placed by OpenAirDocs: center of Williams, IA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.4892&lon=-93.5412&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal, 1 serious, 2 minor
- Status: Completed, report May 19, 1969
- Report: Brief approved by the director
- NTSB case key (mKey): 191127
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC69F0315
- Page: https://openairdocs.org/ntsb/MKC69F0315

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0424   69/1/5    WILLIAMS,IOWA       MOONEY M20A         CR-  1  0  0  NONCOMMERCIAL             PRIVATE, AGE 38, 300
        TIME - 1520                    N5531Q              PX-  0  1  2  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 250 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           STALL                                                    LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - CONTINUED VFR FLIGHT INTO ADVERSE WEATHER CONDITIONS
           PILOT IN COMMAND - IMPROPER OPERATION OF POWERPLANT & POWERPLANT CONTROLS
           MISCELLANEOUS ACTS,CONDITIONS - ANTI-ICING/DEICING EQUIPMENT-IMPROPER OPERATION OF/OR FAILED TO USE
           MISCELLANEOUS ACTS,CONDITIONS - ICE-CARBURETOR
           WEATHER - CONDITIONS CONDUCIVE TO CARB./INDUCTION SYSTEM ICING
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
        FACTOR(S)
           WEATHER - LOW CEILING
           WEATHER - SNOW
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        WEATHER BRIEFING - BRIEFED BY WEATHER BUREAU PERSONEL, BY PHONE
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          PARTIAL OBSCURATION                                       300
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          1/2 MILE OR LESS                                         SNOW
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          BLOWING SNOW                                              22
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          135                                                       30
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          IFR                                                      NONE
        REMARKS- FLEW INTO KNOWN IFR CONDITIONS. ENG LOST POWER. NOT INST RATED.
```

## Aircraft

- Registration: [N5531Q](https://openairdocs.org/deregistered/N5531Q-1969-04-02), registration cancelled 1969-04-02, S/N 2954 (OpenAirDocs)
- Reported make and model: MOONEY M20A
- Registry model: [Mooney M20C](https://openairdocs.org/model/mooney-m20c) (registry code 5870208) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed

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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