# NTSB NYC69F0076: Brantly B-2B, N5948X, Monroeville, PA, July 6, 1968

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 6, 1968
- Place: Monroeville, PA · MONROEVILLE, PA
- Location: 40.4263° N, 79.7614° W: Placed by OpenAirDocs: center of Monroeville, PA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.4263&lon=-79.7614&mi=10
- Phase of flight: [Emergency descent](https://openairdocs.org/ntsb-phases/600) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report September 18, 1968
- Report: Brief approved by the director
- NTSB case key (mKey): 109411
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC69F0076
- Page: https://openairdocs.org/ntsb/NYC69F0076

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2273   68/7/6    MONROEVILLE,PA      BRANTLY B-2B        CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 31, 800
        TIME - 1715                    N5948X              PX-  0  0  0  PRACTICE                  TOTAL HOURS, 250 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - MONROEVILLE
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           AIRFRAME FAILURE: IN FLIGHT                              IN FLIGHT: AUTOROTATIVE DESCENT
           PROPELLER/ROTOR FAILURE: TAIL ROTOR                      IN FLIGHT: AUTOROTATIVE DESCENT
        PROBABLE CAUSE(S)
           MISCELLANEOUS ACTS,CONDITIONS - SIMULATED CONDITIONS
           AIRFRAME - FLIGHT CONTROL SURFACES: HORIZONTAL STABILIZER, ATTACHMENTS
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
           ROTORCRAFT - ROTOR ASSEMBLIES: TAIL ROTOR BLADES
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        REMARKS- PRIVATE HELICOPTER RATING.RT STABILIZER SPAR TUBE FAILED.STABILIZER BROKE OFF STRUCK T/R.SAFE LDG.
```

## Aircraft

- Registration: [N5948X](https://openairdocs.org/deregistered/N5948X-2017-09-28), registration cancelled 2017-09-28, S/N 87, built 1961 (OpenAirDocs)
- Reported make and model: BRANTLY B-2B
- Registry model: [Brantly B-2](https://openairdocs.org/model/brantly-b-2) (registry code 1440502) (OpenAirDocs)
- Registry engine: [Lycoming O&VO-360 series](https://openairdocs.org/engine/lycoming-o-vo-360-series) (registry code 41514, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Monroeville

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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