# NTSB OAK72FVG28: Aero Comdr A-9B, N7653V, Elmira, CA, November 10, 1971

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: November 10, 1971
- Place: Elmira, CA · ELMIRA, CA
- Location: 38.3523° N, 121.9077° W: Placed by OpenAirDocs: center of Elmira, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.3523&lon=-121.9077&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report August 22, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 164016
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK72FVG28
- Page: https://openairdocs.org/ntsb/OAK72FVG28

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4449  71/11/10   ELMIRA,CALIF        AERO COMDR A-9B     CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 34, 1891
        TIME - 1300                    N7653V              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 7 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - NUT TREE
        DEPARTURE POINT             INTENDED DESTINATION
          DIXON,CALIF                 LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: SWATH RUN
           NOSE OVER/DOWN                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: CRANKSHAFT
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
           TERRAIN - WET,SOFT GROUND
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 1422                       KIND OF OPERATION - SEEDING CROPS
          KIND OF CROP - GRAIN FIELDS                              TYPE OF CHEMICAL USED - DRY CHEMICAL-TOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    GLOVES - NOT USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - NOT INSTALLED                         CRASH BAR - INSTALLED
          TANK/HOPPER-LOCATION - FORWARD OF PILOT                  TERRAIN-TYPE -LEVEL,FLAT
          ELEVATION-AREA BEING TREATED-FEET -  40                  SWATH RUN-HOW FLOWN - CROSSWIND
          PROCEDURE TURNAROUND - SECOND 1/3 TURN
        REMARKS- FORWARD FILLET OF NR 3 MAIN JOURNAL OF CRANKSHAFT,P/N 45075-77,BKN. ACFT NOSED OVR IN SOFT FLD.
```

## Aircraft

- Registration: [N7653V](https://openairdocs.org/deregistered/N7653V-2017-09-18), registration cancelled 2017-09-18, S/N 1381, 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 TI0-540 series](https://openairdocs.org/engine/lycoming-ti0-540-series) (registry code 41533, turbo-prop) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Nut Tree

## Other investigations on N7653V (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 OAK70D0082](https://openairdocs.org/ntsb/OAK70D0082), Aug 16, 1969: Callair A-9B (N7653V), Dixon, CA, 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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