# NTSB CHI72FEV35: Bell 47D1, N7734, Fairfield, IL, May 20, 1972

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 20, 1972
- Place: Fairfield, IL · FAIRFIELD, IL
- Location: 38.3806° N, 88.3725° W: Placed by OpenAirDocs: center of Fairfield, IL, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.3806&lon=-88.3725&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report February 13, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 166544
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI72FEV35
- Page: https://openairdocs.org/ntsb/CHI72FEV35

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1781  72/5/20    FAIRFIELD,ILL       BELL 47D1           CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 44, 5985
        TIME - 0815                    N7734               PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 685 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - FAIRFIELD
        DEPARTURE POINT             INTENDED DESTINATION
          GOLDEN GATE,ILL             WAYNE CITY,ILL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GEAR COLLAPSED                                           LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           AIRFRAME - LANDING GEAR: SKID ASSEMBLY
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING OFF AIRPORT
                                  SUSPECTED MECHANICAL DISCREPANCY
        REMARKS- L REAR VERT LEG FAILED.M/R BLADE HIT TAIL BOOM.
```

## 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: Substantial damage
- Airport: Fairfield

## 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 CHI75FEV31](https://openairdocs.org/ntsb/CHI75FEV31), Apr 21, 1975: Bell 47D1 (N7734), Shawneetown, IL, destroyed, 1 fatal
- [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.

---
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.