# NTSB NYC72FGM03: Brantly B2B, N2180U, Williamsburg, PA, July 10, 1971

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 10, 1971
- Place: Williamsburg, PA · WILLIAMSBURG, PA
- Location: 40.4630° N, 78.2049° W: Placed by OpenAirDocs: center of Williamsburg, PA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.4630&lon=-78.2049&mi=10
- Phase of flight: [Uncontrolled descent](https://openairdocs.org/ntsb-phases/650) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report March 2, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 162589
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC72FGM03
- Page: https://openairdocs.org/ntsb/NYC72FGM03

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2452  71/7/10    WILLIAMSBURG,PA     BRANTLY B2B         CR-  0  0  1  INSTRUCTIONAL             STUDENT, AGE 43, 125
        TIME - 1545                    N2180U              PX-  0  0  0  SOLO                      TOTAL HOURS, 63 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - COVE VALLEY
        DEPARTURE POINT             INTENDED DESTINATION
          WILLIAMSBURG,PA             LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: UNCONTROLLED DESCENT
           COLLIDED WITH: PARKED AIRCRAFT                           IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M.
           PILOT IN COMMAND - FAILED TO MAINTAIN DIRECTIONAL CONTROL
        REMARKS- PLT LOST RPM,ACFT MADE 14 360 DEG TURNS TO THE R,HIT HRD,ROLLED OVER,HIT N4697Z M DMG.
```

## Aircraft

- Registration: [N2180U](https://openairdocs.org/deregistered/N2180U-2017-07-14), registration cancelled 2017-07-14, S/N 342, built 1963 (OpenAirDocs)
- Reported make and model: BRANTLY B2B
- Registry model: [Brantly B-2B](https://openairdocs.org/model/brantly-b-2b) (registry code 1440506) (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: Cove Valley

## Other investigations on N2180U (2)

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.

- [NTSB CEN09CA068](https://openairdocs.org/ntsb/CEN09CA068), Nov 20, 2008: Brantly B-2B (N2180U), Cedar Hill, TX, substantial damage. Probable cause: The pilot's improper decision to takeoff downwind. A contributing factor was the gusty conditions.
- [NTSB FTW76FPJ18](https://openairdocs.org/ntsb/FTW76FPJ18), Dec 9, 1975: Brantly B2B (N2180U), Frederick, OK, 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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