# NTSB CHI78DEP26: Cessna 150, N3639J, Delavan, WI, March 11, 1978

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: March 11, 1978
- Place: Delavan, WI · DELAVAN, WI
- Location: 42.6302° N, 88.6306° W: Placed by OpenAirDocs: center of Delavan, WI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.6302&lon=-88.6306&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report June 29, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 143338
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI78DEP26
- Page: https://openairdocs.org/ntsb/CHI78DEP26

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0823  78/3/11    DELAVAN,WI          CESSNA 150          CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 50, 1312
        TIME - 0245                    N3639J              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 756 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - LAKE LAWN LODGE
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          WESTOSHA,WI                 WAUKEGAN,IL                  DELAVAN,WI
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: SNOWBANK                                  TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - EXERCISED POOR JUDGMENT
        FACTOR(S)
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT FACILITIES: OTHER
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: SNOW ON RUNWAY
        REMARKS- R/W LIGHTING WAS OFF.DARK NIGHT.
```

## Aircraft

- Registration: [N3639J](https://openairdocs.org/aircraft/N3639J), registered now, S/N 15064939, built 1966 (OpenAirDocs)
- Reported make and model: CESSNA 150
- Registry model: [Cessna 150G](https://openairdocs.org/model/cessna-150g) (registry code 2071816) (OpenAirDocs)
- Registry engine: [Continental 0-200 series](https://openairdocs.org/engine/continental-0-200-series) (registry code 17020, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Lake Lawn Lodge

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19780311010819A](https://openairdocs.org/incident/19780311010819A), Mar 11, 1978: Cessna 150G, Delavan, WI, Substantial damage. R/w lighting was off. Dark night.

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.