# NTSB NYC71FNE46: Brantly B-2A, N6791D, Broad Brook, CT, June 16, 1971

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 16, 1971
- Place: Broad Brook, CT · BROAD BROOK, CT
- Location: 41.9112° N, 72.5411° W: Placed by OpenAirDocs: center of Broad Brook, CT, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.9112&lon=-72.5411&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report February 14, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 161949
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC71FNE46
- Page: https://openairdocs.org/ntsb/NYC71FNE46

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2072  71/6/16    BROAD BROOK,CONN    BRANTLY B-2A        CR-  0  0  2  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1045                    N6791D              PX-  0  0  0  DUAL                      AGE 21, 1569 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            16 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - SKYLARK
        DEPARTURE POINT             INTENDED DESTINATION
          BROAD BROOK,CONN            LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           NOSE OVER/DOWN                                           LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M.
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           PILOT IN COMMAND - MISJUDGED SPEED
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: OTHER
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SIMULATED CONDITIONS
        REMARKS- PLT DEMO OF AUTO TO SIDE OF RWY DUE TO ACFT ON RWY.GRND WAS SOFT,ACFT NOSED OVER.
```

## Aircraft

- Registration: [N6791D](https://openairdocs.org/deregistered/N6791D-2012-10-11), registration cancelled 2012-10-11, S/N 10, built 1959 (OpenAirDocs)
- Reported make and model: BRANTLY B-2A
- Registry model: [Brantly B-2A](https://openairdocs.org/model/brantly-b-2a) (registry code 1440504) (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: Skylark

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.