# NTSB UNK64X0717: Beechcraft 35H, N5421D, Marion, IL, February 27, 1964

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: February 27, 1964
- Place: Marion, IL · MARION, IL
- Location: 37.7342° N, 88.9443° W: Placed by OpenAirDocs: center of Marion, IL, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.7342&lon=-88.9443&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed
- Report: Brief approved by the director
- NTSB case key (mKey): 185287
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK64X0717
- Page: https://openairdocs.org/ntsb/UNK64X0717

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0486  64/2/27    MARION ILL          BEECHCRAFT 35H      CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 44, 450
        TIME - 1300                    N5421D              PX-  0  0  2  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 300 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           WHEELS-UP                                                LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           POWERPLANT - LUBRICATING SYSTEM: LINES,HOSES,FITTING
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           PILOT IN COMMAND - FAILED TO ASSURE THE GEAR WAS DOWN AND LOCKED
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING ON AIRPORT
```

## Aircraft

- Registration: [N5421D](https://openairdocs.org/aircraft/N5421D), registered now, S/N D-4932, built 1957 (OpenAirDocs)
- Reported make and model: BEECHCRAFT 35H
- Registry model: [Beech H35](https://openairdocs.org/model/beech-h35) (registry code 1151520) (OpenAirDocs)
- Registry engine: [Continental O-470 series](https://openairdocs.org/engine/continental-o-470-series) (registry code 17026, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: 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.

---
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.