# NTSB CHI66F0309: Beechcraft D-50, N4948B, Detroit, MI, September 23, 1965

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: September 23, 1965
- Place: Detroit, MI · DETROIT, MI
- Location: 42.3314° N, 83.0458° W: Placed by OpenAirDocs: center of Detroit, MI, within about 7 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.3314&lon=-83.0458&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 4 uninjured
- Status: Completed, report October 27, 1965
- Report: Brief approved by the director
- NTSB case key (mKey): 175554
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI66F0309
- Page: https://openairdocs.org/ntsb/CHI66F0309

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2689  65/9/23    DETROIT MICH        BEECHCRAFT D-50     CR-  0  0  1  NONCOMMERCIAL             AIRLINE TRANSPORT, AGE
        TIME - 2120                    N4948B              PX-  0  0  3  BUSINESS                  47, 14000 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            1100 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - DETROIT CITY
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           WHEELS-UP                                                LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           AIRFRAME - LANDING GEAR: NORMAL RETRACTION/EXTENSION ASSEMBLY
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        REMARKS- LEFT LDG GR ACTUATOR SCREW ASSEMBLY FAILED. NIGHT OPERATION
```

## Aircraft

- Registration: [N4948B](https://openairdocs.org/aircraft/N4948B), registered now, S/N DH-4, built 1955 (OpenAirDocs)
- Reported make and model: BEECHCRAFT D-50
- Registry model: [Beech D-50](https://openairdocs.org/model/beech-d-50) (registry code 1152512) (OpenAirDocs)
- Registry engine: [Lycoming GO-480-G2D6](https://openairdocs.org/engine/lycoming-go-480-g2d6) (registry code 42185, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Detroit City

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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