# NTSB CHI75FEV31: Bell 47D1, N7734, Shawneetown, IL, April 21, 1975

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: April 21, 1975
- Place: Shawneetown, IL · SHAWNEETOWN, IL
- Location: 37.7159° N, 88.1867° W: Placed by OpenAirDocs: center of Shawneetown, IL, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.7159&lon=-88.1867&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal
- Status: Completed, report June 9, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 148541
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI75FEV31
- Page: https://openairdocs.org/ntsb/CHI75FEV31

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0869  75/4/21    SHAWNEETOWN,IL      BELL 47D1           CR-  1  0  0  COMMERCIAL                COMMERCIAL, AGE 47,
        TIME - 0820                    N7734               PX-  0  0  0  AERIAL APPLICATION        UNK/NR TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            UNK/NR IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          SHAWNEETOWN,IL              LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           AIRFRAME FAILURE: IN FLIGHT                              IN FLIGHT: SWATH RUN
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           ROTORCRAFT - FLIGHT CONTROL SYSTEMS: CYCLIC PITCH CONTROL SYSTEM
           MISCELLANEOUS ACTS,CONDITIONS - DISCONNECTED
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - UNKNOWN/NOT REPORTED       KIND OF OPERATION - SEEDING CROPS
          KIND OF CROP - CLOVER                                    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 -  600
          SWATH RUN-HOW FLOWN - WIND CALM
         FIRE AFTER IMPACT
        REMARKS- BOLT PIN AN174-16 WHICH SECURES FORE AND AFT CYLIC CTL MISSING FM ROD END BEARING.
```

## Aircraft

- Registration: [N7734](https://openairdocs.org/deregistered/N7734-1975-06-09), registration cancelled 1975-06-09, S/N K-853 (OpenAirDocs)
- Reported make and model: BELL 47D1
- Registry model: [Bell - K Copter 47D1](https://openairdocs.org/model/bell-k-copter-47d1) (registry code 1180843) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Destroyed

## 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 19750421009909A](https://openairdocs.org/incident/19750421009909A), Apr 21, 1975: Bell 47D1, Shawneetown, IL, Destroyed. Bolt pin AN174-16 which secures fore and aft cylic ctl missing fm rod end bearing.

## Other investigations on N7734 (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 CHI72FEV35](https://openairdocs.org/ntsb/CHI72FEV35), May 20, 1972: Bell 47D1 (N7734), Fairfield, IL, substantial damage
- [NTSB FTW71DQG51](https://openairdocs.org/ntsb/FTW71DQG51), Jun 26, 1970: Bell 47D1 (N7734), Hale Center, TX, substantial damage
- [NTSB FTW70F0064](https://openairdocs.org/ntsb/FTW70F0064), Jun 28, 1969: Bell 47D1 (N7734), Richardson, TX, 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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