Author: [Aviation Product Brochure]
Title: SIKORSKY S-61L HELICOPTER. Accompanied by Original Mock-up Artwork
Description: (n. p.): Sikorsky Helicopter, 1962. 1st printing. Self-wrappers. One sheet, printed both sides, folded 4x vertically, forming a 10 panel brochure. Illustrated with 6 drawings, one cut-out image of the turbine engine & a two-panel color photographic image of the S-61L in flight over downtown Los Angeles. Folded: 8-1/2" x 3-5/8". Unfolded: 8-1/2" x 18-1/4". Brochure - Fine. Artwork - VG (signs of use, as to be expected). "The Sikorsky S-61L is the first helicopter specifically designed as a commercial short haul airliner, and the first multi-turbine helicopter certified for passenger service by the Federal Aviation Agency.".

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