# NTSB FTW73FPM16: Aero Comdr A-9B, N7650V, Hallett, OK, June 13, 1973

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 13, 1973
- Place: Hallett, OK · HALLETT, OK
- Location: 36.2319° N, 96.5679° W: Placed by OpenAirDocs: center of Hallett, OK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=36.2319&lon=-96.5679&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report July 16, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 190391
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW73FPM16
- Page: https://openairdocs.org/ntsb/FTW73FPM16

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1336  73/6/13    HALLETT,OKLA        AERO COMDR A-9B     CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 57, 16690
        TIME - 0530                    N7650V              PX-  0  0  0  ASSOC CROP CTL ACTIVITY   TOTAL HOURS, 30 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - TISDALE RANCH
        DEPARTURE POINT             INTENDED DESTINATION
          HALLETT,OKLA                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: TREES                                     TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED DISTANCE,SPEED,ALTITUDE OR CLEARANCE
        FACTOR(S)
           TERRAIN - HIGH OBSTRUCTIONS
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 9999                       KIND OF OPERATION - DEFOLIATION (LIQUID)
          KIND OF CROP - PASTURE                                   TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    GLOVES - USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - NOT INSTALLED                         CRASH BAR - INSTALLED
          TANK/HOPPER-LOCATION - FORWARD OF PILOT
        REMARKS- STRIP DWNHILL GND ELEV WHERE AIRBORNE 25FT HIGHER THAN TREE BASE.ACFT ALT CONSTANT AFTR L/O.
```

## Aircraft

- Registration: [N7650V](https://openairdocs.org/aircraft/N7650V), registered now, S/N 1378, built 1968 (OpenAirDocs)
- Reported make and model: AERO COMDR A-9B
- Registry model: [Aero Commander CALLAIR A-9B](https://openairdocs.org/model/aero-commander-callair-a-9b) (registry code 0144206) (OpenAirDocs)
- Registry engine: [Lycoming IO-540 series](https://openairdocs.org/engine/lycoming-io-540-series) (registry code 41530, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Tisdale Ranch

## 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 19730613015599A](https://openairdocs.org/incident/19730613015599A), Jun 13, 1973: Airpts A9B, Hallett, OK, Substantial damage. Strip dwnhill gnd elev where airborne 25FT higher than tree base. Acft alt constant aftr l/o.

## Other investigations on N7650V (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 ERA24LA240](https://openairdocs.org/ntsb/ERA24LA240), Jun 1, 2024: Aero Commander Callair A-9B (N7650V), Zebulon, NC, substantial damage. Probable cause: A total loss of engine power while maneuvering due to fuel starvation.

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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