Project
Mapping drop footprints for the Sikorsky S-61N – open field
Year

2020

status

Completed

Researcher

Razim Refai (Lead); Rex Hsieh

Other Collaborator(s):

Advisory Member(s):
Abstract

Alberta Agriculture and Forestry’s (AAF) Wildfire Management Branch has recently contracted two Sikorsky S-61N heavy helicopters for the next five years. Both helicopters are equipped with an external tank (max. volume 1000 USG) and have on-board injection systems that are capable of mixing class A foams and water enhancers.

Currently, there is limited data on comparative drop footprints of foam and water enhancers (suppressants) for these heavy helicopters. To fill this knowledge gap, AAF has asked FPInnovations to conduct grid tests in different wildland fuel environments. Data from these drop evaluations will provide sound reference points to inform operational decisions.

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