# NTSB IAD75DLQ23: Beech A23, N3666Q, Mannington, KY, May 5, 1975

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 5, 1975
- Place: Mannington, KY · MANNINGTON, KY
- Location: 37.1200° N, 87.4875° W: Placed by OpenAirDocs: center of Mannington, KY, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.1200&lon=-87.4875&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report September 9, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 149230
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=IAD75DLQ23
- Page: https://openairdocs.org/ntsb/IAD75DLQ23

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1963   75/5/5    MANNINGTON,KY       BEECH A23           CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 0830                    N3666Q              PX-  0  0  0  POWER/PIPELINE            AGE UNK/NR, 5275 TOTAL
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            HOURS, 582 IN TYPE,
                                                                                                   INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          OWENSBORO,KY                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: PROPELLER                       IN FLIGHT: NORMAL CRUISE
           COLLIDED WITH: DITCHES                                   LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - PROPELLER AND ACCESSORIES: BLADES
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           TERRAIN - WET,SOFT GROUND
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
                                  SUSPECTED MECHANICAL DISCREPANCY
        REMARKS- ABT 3 IN OF ONE PROP BLADE SEPARATED.
```

## Aircraft

- Registration: [N3666Q](https://openairdocs.org/aircraft/N3666Q), registered now, S/N MA-253, built 1967 (OpenAirDocs)
- Reported make and model: BEECH A23
- Registry model: [Beech A23-24](https://openairdocs.org/model/beech-a23-24) (registry code 1151226) (OpenAirDocs)
- Registry engine: [Lycoming I0360 series](https://openairdocs.org/engine/lycoming-i0360-series) (registry code 41515, reciprocating) (OpenAirDocs)
- Category: Airplane
- 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 19750505023289A](https://openairdocs.org/incident/19750505023289A), May 5, 1975: Beech A2324, Mannington, KY, Destroyed. Abt 3 in of one prop blade separated.

## Other investigations on N3666Q (1)

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 CHI68D0624](https://openairdocs.org/ntsb/CHI68D0624), Feb 25, 1968: Beech A23-24 (N3666Q), Owensboro, KY, 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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