# NTSB MKC73DCD52: Bell 47G-2, N12412, Hanlontown, IA, March 20, 1973

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: March 20, 1973
- Place: Hanlontown, IA · HANLONTOWN, IA
- Location: 43.2809° N, 93.3789° W: Placed by OpenAirDocs: center of Hanlontown, IA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=43.2809&lon=-93.3789&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report April 24, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 170441
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC73DCD52
- Page: https://openairdocs.org/ntsb/MKC73DCD52

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0547  73/3/20    HANLONTOWN,IOWA     BELL 47G-2          CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 34, 313
        TIME - 0800                    N12412              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 95 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          HANLONTOWN,IOWA             LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: OBJECT                                    IN FLIGHT: SWATH RUN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED ALTITUDE AND CLEARANCE
        FACTOR(S)
           TERRAIN - HIGH OBSTRUCTIONS
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL -   95                       KIND OF OPERATION - SEEDING CROPS
          KIND OF CROP - OTHER                                     TYPE OF CHEMICAL USED - UNKNOWN/NOT REPORTED
          PILOT' S SEAT BELT -UNKNOWN/NOT REPORTED                 COCKPIT CRASHPAD - NOT INSTALLED
          CRASH BAR - NOT INSTALLED                                TANK/HOPPER-LOCATION - BELLY
          TERRAIN-TYPE -ROLLING                                    SWATH RUN-HOW FLOWN - UNKNOWN/NOT REPORTED
        REMARKS- SEEDING NEW HIGHWAY RIGHT OF WAY,ROTOR BLADE HIT SIGN POST.
```

## Aircraft

- Registration: [N12412](https://openairdocs.org/deregistered/N12412-2020-05-01), registration cancelled 2020-05-01, S/N 1487 (OpenAirDocs)
- Reported make and model: BELL 47G-2
- Registry model: [Bell-K-Copter 47G-2](https://openairdocs.org/model/bell-k-copter-47g-2) (registry code 1181066) (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 19730320005549A](https://openairdocs.org/incident/19730320005549A), Mar 20, 1973: Bell 47G2, Hanlontown, IA, Substantial damage. Seeding new highway right of way,rotor blade hit sign post.

## Other investigations on N12412 (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 MKC82DA159](https://openairdocs.org/ntsb/MKC82DA159), Aug 27, 1982: Bell 47G-2 (N12412), Palo, IA, substantial damage
- [NTSB MKC76FCD60](https://openairdocs.org/ntsb/MKC76FCD60), Jul 29, 1976: Bell 47G-2 (N12412), Oskaloosa, 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.

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