# NTSB IAD75AI021: Boeing 75, N66489, Somerville, TN, October 7, 1974

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: October 7, 1974
- Place: Somerville, TN · SOMERVILLE, TN
- Location: 35.2322° N, 89.3756° W: Placed by OpenAirDocs: center of Somerville, TN, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=35.2322&lon=-89.3756&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal
- Status: Completed, report October 30, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 141043
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=IAD75AI021
- Page: https://openairdocs.org/ntsb/IAD75AI021

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3276   74/10/7   SOMERVILLE,TENN     BOEING 75           CR-  1  0  0  NONCOMMERCIAL             COMMERCIAL, FL.INSTR.,
        TIME - 1455                    N66489              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  AGE 30, 450 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            200 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - OZIER FIELD
        DEPARTURE POINT             INTENDED DESTINATION
          SOMERVILLE,TENN             LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL: SPIN                                              IN FLIGHT: ACROBATICS
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
        REMARKS- ACFT OBSVD TO SPIN OUT OF A LOOP.PRIOR TO GND IMPACT NOSE RAISED ABV LVL ATTITUDE,THEN DROPPED.
```

## Aircraft

- Registration: [N66489](https://openairdocs.org/deregistered/N66489-1974-10-25), registration cancelled 1974-10-25, S/N 75-8290 (OpenAirDocs)
- Reported make and model: BOEING 75
- Registry model: [Boeing A75N1](https://openairdocs.org/model/boeing-a75n1) (registry code 1380165) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Ozier Field

## 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 19741007035229A](https://openairdocs.org/incident/19741007035229A), Oct 7, 1974: Boeing A75N1, Somerville, TN, Destroyed. Acft obsvd to spin out of a loop. Prior to gnd impact nose raised abv lvl attitude,then dropped.

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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