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    Author(s): Ralph G. Johnston; Cal Ferris; James B. Davis
    Date: 1966
    Source: Res. Note PSW-RN-126. Berkeley, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station. 8 p
    Publication Series: Research Note (RN)
    Station: Pacific Southwest Research Station
    PDF: View PDF  (2.22 MB)

    Description

    Under conditions simulating fireline operations, 117 helicopter flights were made at night over mountain areas in southern California. The trials indicated that such flights, carrying passengers and cargo, can be made safely if (a) the night operation is well planned, (b) the helicopter is in excellent condition, (c) adequate lighting and guidance equipment are provided and used; and d) the pilot and crew are well trained.

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    Citation

    Johnston, Ralph G.; Ferris, Cal; Davis, James B. 1966. Flying helicopters over mountains at night...guidance systems tested in 1965 phase of study. Res. Note PSW-RN-126. Berkeley, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station. 8 p

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