# NTSB CHI74AC025: Cessna 411, N3243R, Delavan, WI, September 21, 1973

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: September 21, 1973
- 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: [Uncontrolled descent](https://openairdocs.org/ntsb-phases/650) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 4 fatal
- Status: Completed, report November 29, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 188365
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI74AC025
- Page: https://openairdocs.org/ntsb/CHI74AC025

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3084  73/9/21    DELAVAN,WIS         CESSNA 411          CR-  1  0  0  NONCOMMERCIAL             PRIVATE, AGE 23, 231
        TIME - 2118                    N3243R              PX-  3  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 38 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          EAST ST.LOUIS,ILL          UNKNOWN/NOT REPORTED
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INCAPACITATION
           MISCELLANEOUS ACTS,CONDITIONS - PILOT SUFFERED HEART ATTACK
```

## Aircraft

- Registration: [N3243R](https://openairdocs.org/deregistered/N3243R-1973-12-19), registration cancelled 1973-12-19, S/N 411-0243 (OpenAirDocs)
- Reported make and model: CESSNA 411
- Registry model: [Cessna 411](https://openairdocs.org/model/cessna-411) (registry code 2075902) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed

## 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 19730921035719A](https://openairdocs.org/incident/19730921035719A), Sep 21, 1973: Cessna 411, Delavan, WI, Destroyed, 3 fatal

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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