# NTSB FTW74DPG10: Bell 47G, N163B, Black Rock, AR, August 9, 1973

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 9, 1973
- Place: Black Rock, AR · BLACK ROCK, AR
- Location: 36.1062° N, 91.1075° W: Placed by OpenAirDocs: center of Black Rock, AR, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=36.1062&lon=-91.1075&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report September 4, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 189568
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW74DPG10
- Page: https://openairdocs.org/ntsb/FTW74DPG10

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1947   73/8/9    BLACK ROCK,ARK      BELL 47G            CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 46, 6834
        TIME - 0555                    N163B               PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 1134 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          BLACK ROCK,ARK              LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: WIRES/POLES                               IN FLIGHT: PULLUP FROM SWATH RUN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO SEE AND AVOID OBJECTS OR OBSTRUCTIONS
        FACTOR(S)
           TERRAIN - HIGH OBSTRUCTIONS
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 5700                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - PASTURE                                   TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -UNKNOWN/NOT REPORTED                 CRASH HELMET - AVAILABLE-NOT USED
          TANK/HOPPER-LOCATION - AFT OF PILOT                      TERRAIN-TYPE -ROLLING
          ELEVATION-AREA BEING TREATED-FEET -  300                 SWATH RUN-HOW FLOWN - CROSSWIND
        REMARKS- PLT PULLED UP INTO A PWR LINE HE DID NOT SEE.
```

## Aircraft

- Registration: [N163B](https://openairdocs.org/deregistered/N163B-1992-02-25), registration cancelled 1992-02-25, S/N 17 (OpenAirDocs)
- Reported make and model: BELL 47G
- Registry model: [Bell 47D1](https://openairdocs.org/model/bell-47d1) (registry code 1180802) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19730809023609A](https://openairdocs.org/incident/19730809023609A), Aug 9, 1973: Bell 47G3B1, Black Rock, AR, Substantial damage. Plt pulled up into a pwr line he did not see.

## Other investigations on N163B (4)

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 NYC89DNE01](https://openairdocs.org/ntsb/NYC89DNE01), Dec 2, 1988: Bell 47D1 (N163B), Russell, MA, destroyed, 1 fatal. Probable cause: A PILOT INDUCED LOW ROTOR RPM CONDITION, FOLLOWED BY BLADE FLAPPING AS THE MAIN ROTOR BLADE CONTACTED THE TAIL OF THE HELICOPTER.
- [NTSB FTW76FPG68](https://openairdocs.org/ntsb/FTW76FPG68), Jun 17, 1976: Bell 47B (N163B), Ravenden, AR, substantial damage
- [NTSB MKC69F0060](https://openairdocs.org/ntsb/MKC69F0060), Jun 25, 1968: Bell 47G (N163B), Garden City, KS, substantial damage
- [NTSB MKC68A0038](https://openairdocs.org/ntsb/MKC68A0038), Jun 25, 1967: Bell 47G (N163B), Creston, IA, 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.