# NTSB MKC72DER18: Bell 47G-5, N7840S, Blomkist, MN, August 25, 1971

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: August 25, 1971
- Place: Blomkist, MN · BLOMKIST, MN
- Location: 44.9428° N, 95.0235° W: Placed by OpenAirDocs: center of Blomkest, MN, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=44.9428&lon=-95.0235&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report April 5, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 163117
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC72DER18
- Page: https://openairdocs.org/ntsb/MKC72DER18

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3158  71/8/25    BLOMKIST,MINN       BELL 47G-5          CR-  0  0  1  COMMERCIAL                ATP,FLIGHT INSTR., AGE
        TIME - 0830                    N7840S              PX-  0  0  0  AERIAL APPLICATION        33, 5771 TOTAL HOURS, 262
                                       DAMAGE-DESTROYED    OT-  0  0  0                            IN TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          BLOMKIST,MINN               LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: WIRES/POLES                               IN FLIGHT: STARTING SWATH RUN
           COLLISION WITH GROUND/WATER: UNCONTROLLED                LANDING: OTHER
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO SEE AND AVOID OBJECTS OR OBSTRUCTIONS
           TERRAIN - HIGH OBSTRUCTIONS
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SUNGLARE
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL -  202                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - CORN                                      TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    GLOVES - NOT USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - NOT INSTALLED                         CRASH BAR - NOT INSTALLED
          TANK/HOPPER-LOCATION - SIDES                             TERRAIN-TYPE -LEVEL,FLAT
          ELEVATION-AREA BEING TREATED-FEET -  1130                SWATH RUN-HOW FLOWN - CROSSWIND
        REMARKS- ACFT CRASHED OUT OF CTL AFTER HITTING PWR LINES.
```

## Aircraft

- Registration: [N7840S](https://openairdocs.org/deregistered/N7840S-2018-03-06), registration cancelled 2018-03-06, S/N 7861, built 1967 (OpenAirDocs)
- Reported make and model: BELL 47G-5
- Registry model: [Bell 47G-5](https://openairdocs.org/model/bell-47g-5) (registry code 1181032) (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: Destroyed

## Other investigations on N7840S (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 CHI86FA017](https://openairdocs.org/ntsb/CHI86FA017), Oct 27, 1985: Bell 47G-5 (N7840S), Plainfield, WI, destroyed, 1 fatal
- [NTSB CHI73DEP66](https://openairdocs.org/ntsb/CHI73DEP66), Jun 24, 1973: Bell 47G-5 (N7840S), Appleton, WI, substantial damage
- [NTSB MKC73FER04](https://openairdocs.org/ntsb/MKC73FER04), Jul 5, 1972: EL Tomcat MK6B (N7840S), Miesville, MN, destroyed
- [NTSB LAX71DUM06](https://openairdocs.org/ntsb/LAX71DUM06), Jul 19, 1970: Bell 47G5 (N7840S), Imperial, 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.

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