# NTSB NYC70D0002: Brantly B-2, N4997C, Millville, NJ, November 23, 1969

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: November 23, 1969
- Place: Millville, NJ · MILLVILLE, NJ
- Location: 39.4021° N, 75.0393° W: Placed by OpenAirDocs: center of Millville, NJ, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.4021&lon=-75.0393&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report May 23, 1970
- Report: Brief approved by the director
- NTSB case key (mKey): 107185
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC70D0002
- Page: https://openairdocs.org/ntsb/NYC70D0002-107185

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4414  69/11/23   MILLVILLE,NJ        BRANTLY B-2         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 43, 306
        TIME - 1200                    N4997C              PX-  0  0  0  PRACTICE                  TOTAL HOURS, 33 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - MILLVILLE
        DEPARTURE POINT             INTENDED DESTINATION
          MILLVILLE,NJ                MILLVILLE,NJ
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           ROLL OVER                                                LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF POWERPLANT & POWERPLANT CONTROLS
           MISCELLANEOUS ACTS,CONDITIONS - ANTI-ICING/DEICING EQUIPMENT-IMPROPER OPERATION OF/OR FAILED TO USE
           MISCELLANEOUS ACTS,CONDITIONS - ICE-CARBURETOR
           WEATHER - CONDITIONS CONDUCIVE TO CARB./INDUCTION SYSTEM ICING
           PILOT IN COMMAND - IMPROPER IN-FLIGHT DECISIONS OR PLANNING
           PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        WEATHER BRIEFING - UNKNOWN/NOT REPORTED
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          NONE                                                      55
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          200                                                       6
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
        REMARKS- DEW POINT 35 DEG.ATTEMPTED RUN ON LDG ON SOFT FIELD.FAILED TO LOWER COLLECTIVE TO STOP ROLL-OVER.
```

## Aircraft

- Registration: [N4997C](https://openairdocs.org/deregistered/N4997C-2012-08-09), registration cancelled 2012-08-09, S/N 32, built 1960 (OpenAirDocs)
- Reported make and model: BRANTLY B-2
- 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: Destroyed
- Airport: Millville

## Other investigations on N4997C (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 NYC73DHD73](https://openairdocs.org/ntsb/NYC73DHD73-169032), Dec 19, 1972: Brantly B-2 (N4997C), Downingtown, PA, substantial damage
- [NTSB UNK64X1476](https://openairdocs.org/ntsb/UNK64X1476), Apr 26, 1964: Brantly B2 (N4997C), Thetford, VT, 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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