# NTSB UNK65X0170: Bell 47G2, N6727D, Monterey, CA, October 6, 1964

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: October 6, 1964
- Place: Monterey, CA · MONTEREY, CA
- Location: 36.6012° N, 121.8828° W: Placed by OpenAirDocs: center of Monterey, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=36.6012&lon=-121.8828&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report January 27, 1965
- Report: Brief approved by the director
- NTSB case key (mKey): 181784
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK65X0170
- Page: https://openairdocs.org/ntsb/UNK65X0170

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0764   64/10/6 NR.MONTEREY CALIF     BELL 47G2           CR-  0  0  1  MISCELLANEOUS             COMMERCIAL, AGE 31, 1425
        TIME - 2053                    N6727D              PX-  0  0  0  FERRY                     TOTAL HOURS, ALL IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: CONTROLLED                  LANDING: POWER-ON LANDING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - CONTINUED VFR FLIGHT INTO ADVERSE WEATHER CONDITIONS
           PILOT IN COMMAND - EXERCISED POOR JUDGMENT
           PILOT IN COMMAND - SPATIAL DISORIENTATION
        FACTOR(S)
           WEATHER - LOW CEILING
           WEATHER - FOG
        WEATHER BRIEFING - OTHER
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING OFF AIRPORT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OVERCAST                                                  100
        VISIBILITY AT ACCIDENT SITE                              OBSTRUCTIONS TO VISION AT ACCIDENT SITE
          1/2 MILE OR LESS                                         FOG
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          BELOW MINIMUMS                                           CONTROLLED VFR
```

## Aircraft

- Registration: [N6727D](https://openairdocs.org/deregistered/N6727D-2007-06-08), registration cancelled 2007-06-08, S/N 2226, built 1958 (OpenAirDocs)
- Reported make and model: BELL 47G2
- Registry model: [Bell 47G-2](https://openairdocs.org/model/bell-47g-2) (registry code 1181008) (OpenAirDocs)
- Registry engine: [Lycoming VO-435 series](https://openairdocs.org/engine/lycoming-vo-435-series) (registry code 41525, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N6727D (3)

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 LAX86FVD07](https://openairdocs.org/ntsb/LAX86FVD07), Mar 6, 1986: Bell 47G-2 (N6727D), Stockton, CA, destroyed
- [NTSB OAK77DVM12](https://openairdocs.org/ntsb/OAK77DVM12), Apr 6, 1977: Bell 47G2 (N6727D), King City, CA, destroyed
- [NTSB OAK73DVM21](https://openairdocs.org/ntsb/OAK73DVM21), Dec 15, 1972: Bell 47G-2 (N6727D), Salinas, CA, 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.

---
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.