Sikorsky Aircraft S-52 (HO5S-1 / H-18A)
Light Utility Helicopter
Photo ©: Karsten Palt
The Sikorsky S-52 is a 2-seat single-engine light utility helicopter built by the American manufacturer Sikorsky Aircraft. The main production variant was the HO5S-1 in Service with the US Marine Corps.
The version S-52-2 was a four-seat variant.
| Crew | 2 | |
| Passengers | 2 | |
| Propulsion | 1 Piston Engine | |
| Engine Model | Franklin O-425-1 | |
| Engine Power | 183 kW | 245 hp |
| max. Speed (vne) | 178 km/h | 96 kts 110 mph |
| Service Ceiling | 4.724 m | 15.500 ft |
| Rate of climb | 396 m/min | 1300 ft/min |
| Range | 669 km | 361 NM 415 mi. |
| Empty Weight | 744 kg | 1.640 lbs |
| max. Takeoff Weight | 1.225 kg | 2.700 lbs |
| Rotor Blades (main/tail) | 3 | |
| Main Rotor Diameter | 10,06 m | 33 ft 0 in |
| Tail Rotor Diameter | 1,75 m | 5 ft 9 in |
| Rotor Disc Area | 79,5 m² | 856 ft² |
| Length (Fuselage) | 8,79 m | 28 ft 10 in |
| Length | 11,95 m | 39 ft 2 in |
| Height | 2,64 m | 8 ft 8 in |
| First Flight | 12.02.1947 | |
| Production Status | out of production | |
| Total Production | 93 | |
| ICAO Code | S52 | |
| FAA TCDS | 1-H2, H-3 | |
| Data for (Version) | Sikorsky HO5S-1G (S-52-3) | |
| Variants | S-52-1, S-52-2, S-52-3, YH-18A, HO5S-1, HO5S-1G, S-52-5 | |
| [Photo-ID: 10353] © Karsten Palt 2014-05-28 | |
 | Sikorsky HO5S-1 (S-52) United States Marine Corps (USMC) Reg.: WB-46 c/n: 52-010 |
| NASM Udvar Hazy Center [Chantilly, VA] | |