4747 N. Channel Avenue

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United States / Oregon / Portland / 4747 N. Channel Avenue

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ReportRe Hughes TH-55 helicopter of Columbia Construction Helicopter Service over search area23 March 1972 · Seattle · Part 26 · 1 page

p. 1624747 N. Channel Avenue, Portland, OregonOn March 23, 1972 at 1400 hours, a yellow Hughes TH-55 two-passenger helicopter (N 9477 F), registered to Columbia Construction Helicopter Service in Portland, Oregon, was observed flying and hoverin…