Boeing Vertol XCH-62 (English Wikipedia)

Woodley, David R.; Castle, William S. (October 16–18, 1973). Heavy lift helicopter main engines. National Aerospace Engineering and Manufacturing Meeting. SAE Technical Papers. SAE Technical Paper Series. Vol. 1. Los Angeles, California, U.S.A.: Society of Automotive Engineers (SAE) (published February 1973). doi:10.4271/730920. ISSN 0148-7191.
Stinger, D.H.; Redmond, W.A. (August 7–10, 1978). Advanced gas turbine for marine propulsion model 570-K. SAE West Coast Meeting, Town & Country. SAE Technical Papers. SAE Technical Paper Series. Vol. 1. San Diego, California, U.S.A.: Society of Automotive Engineers (SAE) (published February 1978). doi:10.4271/780702. ISSN 0148-7191.

globalsecurity.org

XCH-62 page on Globalsecurity.org

handle.net

hdl.handle.net

"Army revises HLH program, sets competitive prototype tests". R&D News. Army Research and Development. Vol. 16, no. 2. March–April 1975. pp. 4–5. hdl:2027/osu.32435062846985. ISSN 0004-2560.
"H.L.H. 1975 flight test projected: Component technology program meeting development goal". Army Research and Development. Vol. 15, no. 1. January–February 1974. pp. 10–11. hdl:2027/msu.31293012265199. ISSN 0004-2560.
U.S. Senate Research and Development Subcommittee of the Committee on Armed Services (March 18, 1974). Department of the Army: Heavy lift helicopter (Report). Washington, D.C., U.S.A. pp. 2649-2709. hdl:2027/umn.31951d03440242r.
Schneider, John J. (September 16–19, 1980). The developing technology and economics of large helicopters (PDF). European Rotorcraft and Powered Lift Aircraft Forum (Sixth ed.). Bristol, England, U.K. pp. 3–1 to 3–15. hdl:20.500.11881/1859. OCLC 9813207. Archived from the original (PDF) on 2021-11-05. Retrieved 2020-08-11.

hmfriends.org.uk

"Arrival of landing gear from Boeing Vertol XCH-62 (HLH)". Friends of The Helicopter Museum. Retrieved August 9, 2020.

newspapers.com

Wilson, George C. (December 13, 1984). "Army seeks to test canceled helicopter". Citizens' Voice. Washington, D.C., U.S.A. The Washington Post. ISSN 1070-8626 – via Newspapers.com.
"From drawing board to museum". The nation. Orlando Sentinel. December 9, 1987. p. A-10. ISSN 0744-6055 – via Newspapers.com.
"Copter carry". National dateline. Pensacola News Journal. December 9, 1987. p. 4A. OCLC 54453673 – via Newspapers.com.

nlr.nl

dspace-erf.nlr.nl

Schneider, John J. (September 16–19, 1980). The developing technology and economics of large helicopters (PDF). European Rotorcraft and Powered Lift Aircraft Forum (Sixth ed.). Bristol, England, U.K. pp. 3–1 to 3–15. hdl:20.500.11881/1859. OCLC 9813207. Archived from the original (PDF) on 2021-11-05. Retrieved 2020-08-11.

vectorsite.net

"Greg Goebel's Vectorsite". Archived from the original on August 7, 2007.

web.archive.org

"Greg Goebel's Vectorsite". Archived from the original on August 7, 2007.
Schneider, John J. (September 16–19, 1980). The developing technology and economics of large helicopters (PDF). European Rotorcraft and Powered Lift Aircraft Forum (Sixth ed.). Bristol, England, U.K. pp. 3–1 to 3–15. hdl:20.500.11881/1859. OCLC 9813207. Archived from the original (PDF) on 2021-11-05. Retrieved 2020-08-11.

worldcat.org

search.worldcat.org

Woodley, David R.; Castle, William S. (October 16–18, 1973). Heavy lift helicopter main engines. National Aerospace Engineering and Manufacturing Meeting. SAE Technical Papers. SAE Technical Paper Series. Vol. 1. Los Angeles, California, U.S.A.: Society of Automotive Engineers (SAE) (published February 1973). doi:10.4271/730920. ISSN 0148-7191.
"Army revises HLH program, sets competitive prototype tests". R&D News. Army Research and Development. Vol. 16, no. 2. March–April 1975. pp. 4–5. hdl:2027/osu.32435062846985. ISSN 0004-2560.
Stinger, D.H.; Redmond, W.A. (August 7–10, 1978). Advanced gas turbine for marine propulsion model 570-K. SAE West Coast Meeting, Town & Country. SAE Technical Papers. SAE Technical Paper Series. Vol. 1. San Diego, California, U.S.A.: Society of Automotive Engineers (SAE) (published February 1978). doi:10.4271/780702. ISSN 0148-7191.
Boeing Vertol Company (April 1980). Heavy lift helicopter — Prototype technical summary (Report). OCLC 227450087.
"Meantime, back at Boeing..." Technology update. Popular Mechanics. Vol. 158, no. 3. September 1982. p. 173. ISSN 0032-4558.
"Champion choppers". Technology update. Popular Mechanics. Vol. 162, no. 4. April 1985. p. 69. ISSN 0032-4558.
Wilson, George C. (December 13, 1984). "Army seeks to test canceled helicopter". Citizens' Voice. Washington, D.C., U.S.A. The Washington Post. ISSN 1070-8626 – via Newspapers.com.
"From drawing board to museum". The nation. Orlando Sentinel. December 9, 1987. p. A-10. ISSN 0744-6055 – via Newspapers.com.
"Copter carry". National dateline. Pensacola News Journal. December 9, 1987. p. 4A. OCLC 54453673 – via Newspapers.com.
"H.L.H. 1975 flight test projected: Component technology program meeting development goal". Army Research and Development. Vol. 15, no. 1. January–February 1974. pp. 10–11. hdl:2027/msu.31293012265199. ISSN 0004-2560.
Schneider, John J. (September 16–19, 1980). The developing technology and economics of large helicopters (PDF). European Rotorcraft and Powered Lift Aircraft Forum (Sixth ed.). Bristol, England, U.K. pp. 3–1 to 3–15. hdl:20.500.11881/1859. OCLC 9813207. Archived from the original (PDF) on 2021-11-05. Retrieved 2020-08-11.