# NTSB MKC72FCA25: Beech M35, N843R, Florissant, MO, May 12, 1972

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: May 12, 1972
- Place: Florissant, MO · FLORISSANT, MO
- Location: 38.7997° N, 90.3271° W: Placed by OpenAirDocs: center of Florissant, MO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.7997&lon=-90.3271&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal, 1 serious
- Status: Completed, report December 15, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 201432
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC72FCA25
- Page: https://openairdocs.org/ntsb/MKC72FCA25-201432

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0956  72/5/12    FLORISSANT,MO       BEECH M35           CR-  1  0  0  NONCOMMERCIAL             COMMERCIAL, AGE 49, 979
        TIME - 1450                    N843R               PX-  0  1  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, UNK/NR IN
                                       DAMAGE-DESTROYED    OT-  0  0  0                            TYPE, INSTRUMENT RATED.
        NAME OF AIRPORT - LAMBERT
        DEPARTURE POINT             INTENDED DESTINATION
          CINCINNATI,OHIO             TOPEKA,KANS
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: PROPELLER                       IN FLIGHT: NORMAL CRUISE
           COLLIDED WITH: WIRES/POLES                               LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
           POWERPLANT - PROPELLER AND ACCESSORIES: HYDRAULIC PITCH CONTROL MECHANISM
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
           MISCELLANEOUS ACTS,CONDITIONS - CORRODED/CORROSION
           MISCELLANEOUS ACTS,CONDITIONS - VIBRATION,EXCESSIVE
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
           TERRAIN - HIGH OBSTRUCTIONS
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         FIRE AFTER IMPACT
        REMARKS- PROP PITCH CHG BOLTS FAILED.PLT LOST PROP CTL,AND SET UP FORCED LDG.PROP SEPARATED ABOUT 200FT AGL
```

## Aircraft

- Registration: [N843R](https://openairdocs.org/deregistered/N843R-1972-08-15), registration cancelled 1972-08-15, S/N D-6237 (OpenAirDocs)
- Reported make and model: BEECH M35
- Registry model: [Beech M35](https://openairdocs.org/model/beech-m35) (registry code 1151526) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Lambert

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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