# NTSB UNK64X0201: Beechcraft C18S, N11198, Okla City, OK, January 9, 1964

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: January 9, 1964
- Place: Okla City, OK · OKLA CITY, OK
- Location: 35.4676° N, 97.5164° W: Placed by OpenAirDocs: center of Oklahoma City, OK, within about 14 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=35.4676&lon=-97.5164&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed
- Report: Brief approved by the director
- NTSB case key (mKey): 185475
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK64X0201
- Page: https://openairdocs.org/ntsb/UNK64X0201

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0086   64/1/9    OKLA CITY OKLA      BEECHCRAFT C18S     CR-  0  0  1  MISCELLANEOUS             ATP,FLIGHT INSTR., AGE
        TIME - 1200                    N11198              PX-  0  0  1  DEMONSTRATION             53, 9045 TOTAL HOURS, 0
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            IN TYPE, INSTRUMENT
                                                                                                   RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           WHEELS-UP                                                LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - LACK OF FAMILIARITY WITH AIRCRAFT
           SYSTEMS - ELECTRICAL SYSTEM: BATTERIES
```

## Aircraft

- Registration: [N11198](https://openairdocs.org/deregistered/N11198-2009-06-25), registration cancelled 2009-06-25, S/N 6425, built 1944 (OpenAirDocs)
- Reported make and model: BEECHCRAFT C18S
- Registry model: [Beech C18S](https://openairdocs.org/model/beech-c18s) (registry code 1150902) (OpenAirDocs)
- Registry engine: [Pratt & Whitney R-985 series](https://openairdocs.org/engine/pratt-whitney-r-985-series) (registry code 52008, 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.

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