# NTSB CHI66A0015: Beech B35, N5091C, Boulder Jct, WI, August 7, 1965

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: August 7, 1965
- Place: Boulder Jct, WI · BOULDER JCT, WI
- Location: 46.1148° N, 89.6544° W: Placed by OpenAirDocs: center of Boulder Junction, WI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=46.1148&lon=-89.6544&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 4 fatal
- Status: Completed, report August 9, 1967
- Report: Brief approved by the director
- NTSB case key (mKey): 176746
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI66A0015
- Page: https://openairdocs.org/ntsb/CHI66A0015

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-1103   65/8/7    BOULDER JCT,WIS     BEECH B35           CR-  1  0  0  NONCOMMERCIAL             PRIVATE, AGE 57, UNK/NR
        TIME - 1811                    N5091C              PX-  3  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, UNK/NR IN
                                       DAMAGE-DESTROYED    OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - BOULDER JUNCTION
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: UNCONTROLLED                LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - CONTINUED VFR FLIGHT INTO ADVERSE WEATHER CONDITIONS
           PILOT IN COMMAND - SPATIAL DISORIENTATION
        FACTOR(S)
           WEATHER - LOW CEILING
           WEATHER - RAIN
           MISCELLANEOUS ACTS,CONDITIONS - AIRCRAFT CAME TO REST IN WATER
        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                                          DRIZZLE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          NONE                                                      70
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          IFR                                                      NONE
```

## Aircraft

- Registration: [N5091C](https://openairdocs.org/deregistered/N5091C-1965-11-29), registration cancelled 1965-11-29, S/N D2353 (OpenAirDocs)
- Reported make and model: BEECH B35
- Registry model: [Beech B35](https://openairdocs.org/model/beech-b35) (registry code 1151506) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Boulder Junction

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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