<< >> NASA ASRS Report 591230, August 2003

Pilot crop dusting assigned farm encountered another aircraft spraying the same field. Abandoned further passes and returned to base.

Attributes
ACN	591230
Time
Date	200308
Day	Fri
Local Time Of Day	1201 To 1800
Place
State Reference	TX
Altitude	msl single value : 150
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Operator	general aviation : personal
Make Model Name	Small Aircraft, Low Wing, 1 Eng, Fixed Gear
Operating Under FAR Part	other : 137
Navigation In Use	other
Flight Plan	None
Aircraft 2
Operator	other
Make Model Name	Any Unknown or Unlisted Aircraft Manufacturer
Navigation In Use	other
Person 1
Affiliation	other
Function	flight crew : single pilot
Qualification	pilot : commercial pilot : multi engine pilot : instrument
Experience	flight time last 90 days : 235 flight time total : 12000 flight time type : 10000
ASRS Report	591230
Person 2
Affiliation	other
Function	observation : observer
Events
Anomaly	conflict : airborne less severe
Independent Detector	other flight crewa
Resolutory Action	flight crew : took precautionary avoidance action other
Supplementary
Problem Areas	Airspace Structure Flight Crew Human Performance Company
Primary Problem	Flight Crew Human Performance

Narrative:

I was contracted to spray on a local ranch. The field I attempted to spray, I made 2 passes of spray on the field, when another agriculture aircraft arrived and started spraying in the middle of the same field. I pulled up and out of the field I was spraying and circled around to observe the situation. The other aircraft kept spraying, so I retreated to our home base. The farmer said there were to be no other aircraft working this field at this time. I didn't see an incident occur, but we were in close proximity on the same field. The farmer contracted us to spray his field. The texas boll weevil eradication program decided to spray that field at the same time.

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Original NASA ASRS Text

Title: PLT CROP DUSTING ASSIGNED FARM ENCOUNTERED ANOTHER ACFT SPRAYING THE SAME FIELD. ABANDONED FURTHER PASSES AND RETURNED TO BASE.

Narrative: I WAS CONTRACTED TO SPRAY ON A LOCAL RANCH. THE FIELD I ATTEMPTED TO SPRAY, I MADE 2 PASSES OF SPRAY ON THE FIELD, WHEN ANOTHER AGRICULTURE ACFT ARRIVED AND STARTED SPRAYING IN THE MIDDLE OF THE SAME FIELD. I PULLED UP AND OUT OF THE FIELD I WAS SPRAYING AND CIRCLED AROUND TO OBSERVE THE SIT. THE OTHER ACFT KEPT SPRAYING, SO I RETREATED TO OUR HOME BASE. THE FARMER SAID THERE WERE TO BE NO OTHER ACFT WORKING THIS FIELD AT THIS TIME. I DIDN'T SEE AN INCIDENT OCCUR, BUT WE WERE IN CLOSE PROX ON THE SAME FIELD. THE FARMER CONTRACTED US TO SPRAY HIS FIELD. THE TEXAS BOLL WEEVIL ERADICATION PROGRAM DECIDED TO SPRAY THAT FIELD AT THE SAME TIME.

Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.