# NTSB UNK64X1427: Beechcraft 35B33, N904Q, El Dorado, KS, April 23, 1964

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: April 23, 1964
- Place: El Dorado, KS · EL DORADO, KS
- Location: 37.8204° N, 96.8630° W: Placed by OpenAirDocs: center of El Dorado, KS, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.8204&lon=-96.8630&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious
- Status: Completed, report August 28, 1964
- Report: Brief approved by the director
- NTSB case key (mKey): 184947
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK64X1427
- Page: https://openairdocs.org/ntsb/UNK64X1427

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0288  64/4/23    EL DORADO KAN       BEECHCRAFT 35B33    CR-  0  1  0  MISCELLANEOUS             COMMERCIAL, FL.INSTR.,
        TIME - 1430                    N904Q               PX-  0  0  0  TEST                      AGE 52, 12270 TOTAL
                                       DAMAGE-DESTROYED    OT-  0  0  0                            HOURS, 200 IN TYPE,
                                                                                                   INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL                                                    IN FLIGHT: ACROBATICS
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           MISCELLANEOUS - UNDETERMINED
        REMARKS- MODIFIED AIRCRAFT FAILED TO RESPOND TO SPIN RECOVERY DURING SPIN TESTS
```

## Aircraft

- Registration: [N904Q](https://openairdocs.org/deregistered/N904Q-1964-05-04), registration cancelled 1964-05-04, S/N CD-451 (OpenAirDocs)
- Reported make and model: BEECHCRAFT 35B33
- Registry model: [Beech 35-B33](https://openairdocs.org/model/beech-35-b33) (registry code 1151406) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed

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.
