# NTSB CHI72FEA11: Beech B35, N5166C, Monon, IN, September 1, 1971

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: September 1, 1971
- Place: Monon, IN · MONON, IN
- Location: 40.8642° N, 86.8786° W: Placed by OpenAirDocs: center of Monon, IN, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.8642&lon=-86.8786&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 2 serious, 2 minor
- Status: Completed, report February 2, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 163519
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI72FEA11
- Page: https://openairdocs.org/ntsb/CHI72FEA11

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1910   71/9/1    MONON,IND           BEECH B35           CR-  0  1  0  MISCELLANEOUS             COMMERCIAL, FL.INSTR.,
        TIME - 1805                    N5166C              PX-  0  1  2  DEMONSTRATION             AGE 31, 2222 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            29 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - MONON
        DEPARTURE POINT             INTENDED DESTINATION
          MONON,IND                   LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL: SPIN                                              IN FLIGHT: OTHER
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
           PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
        REMARKS- SLOW FLT DEMO 2100FT MSL INADVERTENTLY ENTRD SPIN.LOW ALT RCVRY,HIT GND NOSE LOW,WINGS LVL.
```

## Aircraft

- Registration: [N5166C](https://openairdocs.org/deregistered/N5166C-1972-03-08), registration cancelled 1972-03-08, S/N D-2451 (OpenAirDocs)
- Reported make and model: BEECH B35
- Registry model: [Beech B35](https://openairdocs.org/model/beech-b35) (registry code 1151506) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Monon

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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