INTERNATIONAL
Corr visits Down Under by Alan Corr, Agri-Spray Consulting Part 2 Finally, on Thursday, it was time to pattern test aircraft. There are three separate ag operations at the Griffith airport and all three operations (Thomson Aviation, SkyCroppers, and Riverina Helicopters) were involved with the pattern testing. There were only six aircraft to test that day including three R44 Ravens, an AT504, AT-502, and AT-402, but a number of tests were conducted on each aircraft including different rates (30 to 50 liters/ hectare or approximately 3 to 5 gallons/ acre) and various deflection settings. Each of the Air Tractors utilized the CP11TT nozzle, while the helicopters used TeeJet nozzles. At the swath width used, all but one of the aircraft had an excellent pattern with surprisingly low CVs. One aircraft had an acceptable CV,
“Dominic Maher (1) piloted SkyCroppers AT 504 and Gary Mexted (2) piloted SkyCroppers AT 402. Both planes were fitted with CP11TT nozzles and at the desired swath width, tested tremendously well for pattern uniformity.
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