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| Erickson is the only manufacturer and operator of a commercial heavy-lift helicopter in production that has a payload capacity of up to 25,000 lbs and does not have geographic or category restrictions Commercial Heavy-Lift Helicopter Alternatives Note: Data not provided by manufacturer based on estimates. All performance data based on sea level assumption. Sources: (1) TransGlobal Aviation, www.transglobalaviation.net. (2) Evergreen Helicopters, Inc., www.evergreenaviation.com. (3) Columbia Helicopters, www.colheli.com. (4) Kamov Helicopters, www.kamov.net. (5) FAS Military Analysis Network, www.fas.org. (6) Category restrictions include not being authorized to fly over populated areas, carry passengers, and operate in multiple countries. (7) PRWeb, www.prweb.com. (8) 102 standard and 47 restricted S-61s in operation. Columbia Columbia S-64E/S-64F CH-54A/CH-54B S-61 (1)(2) 234 (3) 107 (3) KA-32 (4) MIL 26 (5) Manufacturer Erickson Sikorsky Sikorsky Boeing Boeing Kamov MIL Original Production 1962 1962 1959 1962 1964 1980 1977 Country of Origin U.S. U.S. U.S. U.S. U.S. Russia Russia Payload Capacity (lbs) 20,000 / 20,000 / 10,000 26,000 10,000 11,000 44,000 25,000 25,000 Range (nautical miles) 245/227 245/227 470/408 240 207 605 497 Max Speed (knots) 115/104 115/104 165/143 170 143 166 183 Primary Civilian - Firefighting - Firefighting - Firefighting - Firefighting - Firefighting - Firefighting - Firefighting Activities - Timber - Timber - Timber - Timber - Timber - Timber - Timber Harvesting Harvesting Harvesting Harvesting Harvesting Harvesting Harvesting - Construction - Construction - Construction - Construction - Construction - Construction - Passenger - Passenger - Passenger - Passenger - Passenger Transport Transport Transport Transport Transport U.S. and U.S. and Country Country Specific Specific Depends on Configuration In Production Yes No No No No Unknown No Approximate Number in Operation 29 11 102/47 (8) 7 (7) 14 (7) Unknown Unknown Standard Standard Restricted Restricted None Country Specific None None None Geographic Category (6) Operating Restrictions Standard Restricted |