# NTSB DEN79DTM19: Rockwell A9B, N7923V, Junction, UT, June 5, 1979

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 5, 1979
- Place: Junction, UT · JUNCTION, UT
- Location: 38.2361° N, 112.2246° W: Placed by OpenAirDocs: center of Junction, UT, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.2361&lon=-112.2246&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report November 5, 1979
- Report: Brief approved by the director
- NTSB case key (mKey): 135478
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN79DTM19
- Page: https://openairdocs.org/ntsb/DEN79DTM19

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2796   79/6/5    JUNCTION,UT         ROCKWELL A9B        CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 1130                    N7923V              PX-  0  0  0  AERIAL APPLICATION        AGE 32, 1100 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            170 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          JUNCTION,UT                 LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: CONTROLLED                  IN FLIGHT: PROCEDURE TURNAROUND
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED DISTANCE,SPEED,AND ALTITUDE
        FACTOR(S)
           WEATHER - DOWNDRAFT,UPDRAFTS
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TYPE OF WEATHER CONDITIONS
          NONE                                                     VFR
        TYPE OF FLIGHT PLAN
          NONE
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - UNKNOWN/NOT REPORTED       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - OTHER                                     TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC
          PILOT' S SEAT BELT -UNKNOWN/NOT REPORTED                 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 -  6100                              ROLLING
          SWATH RUN-HOW FLOWN - WIND CALM                          PROCEDURE TURNAROUND - THIRD 1/3 TURN
```

## Aircraft

- Registration: [N7923V](https://openairdocs.org/deregistered/N7923V-1998-03-23), registration cancelled 1998-03-23, S/N 1562 (OpenAirDocs)
- Reported make and model: ROCKWELL A9B
- Registry model: [Aero Commander CALLAIR A-9B](https://openairdocs.org/model/aero-commander-callair-a-9b) (registry code 0144206) (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 19790605010699A](https://openairdocs.org/incident/19790605010699A), Jun 5, 1979: Airpts A9B, Junction, UT, Substantial damage. Airplane flew into the ground at completion of swath run. Pilot said he hit a downdraft.

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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