# NTSB CHI81FEK24: Beech B35, N5138C, Columbus, OH, July 17, 1981

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 17, 1981
- Place: Columbus, OH · COLUMBUS, OH
- Location: 39.9612° N, 82.9988° W: Placed by OpenAirDocs: center of Columbus, OH, within about 8 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.9612&lon=-82.9988&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report October 6, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 124669
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI81FEK24
- Page: https://openairdocs.org/ntsb/CHI81FEK24

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1936  81/7/17    COLUMBUS,OH         BEECH B35           CR-  0  0  1  MISCELLANEOUS             PRIVATE, AGE 43, 322
        TIME - 0954                    N5138C              PX-  0  0  0  TEST                      TOTAL HOURS, 85 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - PORT COLUMBUS
        DEPARTURE POINT             INTENDED DESTINATION
          COLUMBUS,OH                 LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: PROPELLER                       TAKEOFF: INITIAL CLIMB
           WHEELS-UP                                                LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           POWERPLANT - PROPELLER AND ACCESSORIES: BLADE RETENTION MECHANISM
           MISCELLANEOUS ACTS,CONDITIONS - SHEARED
        FACTOR(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF POWERPLANT & POWERPLANT CONTROLS
           POWERPLANT - PROPELLER AND ACCESSORIES: ELECTRIC PITCH CONTROL MECHANISM
           MISCELLANEOUS ACTS,CONDITIONS - JAMMED
           MISCELLANEOUS ACTS,CONDITIONS - TOUCH AND GO LANDING
           MISCELLANEOUS ACTS,CONDITIONS - INTENTIONAL WHEELS-UP
        EMERGENCY CIRCUMSTANCES - FORCED LANDING ON AIRPORT/SEAPLANE BASE/HELIPT.
                                  SUSPECTED OR KNOWN AIRCRAFT DAMAGE
        REMARKS- MAINT TEST FLT.PROP SEPD 3.79HRS AFT OVRHL.PROP SW STUCK IN HI RPM PSN.OBSD 2800RPM,RD LN 2650RPM.
```

## Aircraft

- Registration: [N5138C](https://openairdocs.org/aircraft/N5138C), registered now, S/N D-2423 (OpenAirDocs)
- Reported make and model: BEECH B35
- Registry model: [Beech B35](https://openairdocs.org/model/beech-b35) (registry code 1151506) (OpenAirDocs)
- Registry engine: [Continental E185 series](https://openairdocs.org/engine/continental-e185-series) (registry code 17014, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Port Columbus

## 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 19810717042269A](https://openairdocs.org/incident/19810717042269A), Jul 17, 1981: Beech B35, Columbus, OH, Substantial damage. Aircraft crashed during emergency landing after both propellor blades sperated on climbout after takeoff.

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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