# NTSB NYC66A0149: Bell 47D1, N4227A, Newark, MD, June 7, 1966

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 7, 1966
- Place: Newark, MD · NEWARK, MD
- Location: 38.2681° N, 75.2886° W: Placed by OpenAirDocs: center of Newark, MD, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.2681&lon=-75.2886&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report November 17, 1966
- Report: Brief approved by the director
- NTSB case key (mKey): 171523
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC66A0149
- Page: https://openairdocs.org/ntsb/NYC66A0149

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0389   66/6/7    NEWARK MD           BELL 47D1           CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 0930                    N4227A              PX-  0  0  0  AERIAL APPLICATION        AGE 37, 4640 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            2090 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           MISCELLANEOUS                                            IN FLIGHT: PROCEDURE TURNAROUND
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
           PILOT IN COMMAND - SPONTANEOUS-IMPROPER ACTION
        FACTOR(S)
           WEATHER - DOWNDRAFT,UPDRAFTS
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
                                  DIRECTIONAL CONTROL PROBLEM
                                  SUSPECTED OR KNOWN AIRCRAFT DAMAGE
        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                                                      85
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          135                                                       10
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 1500                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - GRAIN FIELDS                              TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    GLOVES - NOT USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE-NOT USED
          COCKPIT CRASHPAD - NOT INSTALLED                         CRASH BAR - NOT INSTALLED
          TANK/HOPPER-LOCATION - SIDES                             TERRAIN-TYPE -LEVEL,FLAT
          ELEVATION-AREA BEING TREATED-FEET -  50                  SWATH RUN-HOW FLOWN - CROSSWIND
          PROCEDURE TURNAROUND - THIRD 1/3 TURN
        REMARKS- ABRUPT AFT CYCLIC APPLICATION CAUSED MAIN ROTOR TO SEVER TAIL BOOM. LANDED WITHOUT FURTHER DAMAGE.
```

## Aircraft

- Registration: [N4227A](https://openairdocs.org/deregistered/N4227A-2013-10-23), registration cancelled 2013-10-23, S/N 84, built 1948 (OpenAirDocs)
- Reported make and model: BELL 47D1
- Registry model: [Bell 47D1](https://openairdocs.org/model/bell-47d1) (registry code 1180802) (OpenAirDocs)
- Registry engine: [Franklin 6V4 series](https://openairdocs.org/engine/franklin-6v4-series) (registry code 27033, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N4227A (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 MIA79FKQ11](https://openairdocs.org/ntsb/MIA79FKQ11), Jun 8, 1979: Bell 47D (N4227A), Parchman, MS, substantial damage
- [NTSB MIA77FKQ35](https://openairdocs.org/ntsb/MIA77FKQ35), Aug 23, 1977: Bell MK5-B (N4227A), Lambert, MS, substantial damage
- [NTSB FTW74FPM29](https://openairdocs.org/ntsb/FTW74FPM29), Jun 19, 1974: EL Tomcat 47 (N4227A), Zafra, OK, destroyed

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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