# NTSB CHI67D0455: Beech A23-24, N7987L, Winneconne, WI, December 24, 1966

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: December 24, 1966
- Place: Winneconne, WI · WINNECONNE, WI
- Location: 44.1144° N, 88.7171° W: Placed by OpenAirDocs: center of Winneconne, WI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=44.1144&lon=-88.7171&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 5 uninjured
- Status: Completed, report March 31, 1967
- Report: Brief approved by the director
- NTSB case key (mKey): 119937
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI67D0455
- Page: https://openairdocs.org/ntsb/CHI67D0455

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4134  66/12/24   WINNECONNE WIS      BEECH A23-24        CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 1400                    N7987L              PX-  0  0  4  AIR TAXI-PASSG            AGE 41, 1800 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            200 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - COURTNEY-PLUMMER
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF BRAKES AND/OR FLIGHT CONTROLS
        FACTOR(S)
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: SNOW ON RUNWAY
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: OTHER
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        REMARKS- ACFT ENCOUNTERED SOFT,PLOWED EARTH AFTER DEPARTING RUNWAY.
```

## Aircraft

- Registration: [N7987L](https://openairdocs.org/aircraft/N7987L), registered now, S/N MA-148, built 1966 (OpenAirDocs)
- Reported make and model: BEECH A23-24
- Registry model: [Beech A23-24](https://openairdocs.org/model/beech-a23-24) (registry code 1151226) (OpenAirDocs)
- Registry engine: [Lycoming I0360 series](https://openairdocs.org/engine/lycoming-i0360-series) (registry code 41515, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Courtney-Plummer

## Other investigations on N7987L (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 CHI71DBD31](https://openairdocs.org/ntsb/CHI71DBD31), Oct 18, 1970: Beech A23-24 (N7987L), Elgin, IL, 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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