Note 55 — Chapter I · Operations in West Korea Begin
Reading edition
Rotary wing aircraft assigned were two types, HTL-4 and H03S-1. The former is a two-place, plastic-dome Bell product; the latter, the first helicopter operated by the Marine Corps, is an observation-utility, three-passenger Sikorsky-made craft. HistBr, G-3 Div, HQMC, Marine Corps Aircraft, 1913–1965, Marine Corps Historical Reference Pamphlet (Washington: 1967 ed.) pp. 34, 38.