Sikorsky H-34: Piston-engined Military Helicopter : r/aviation

CH-34 UH-34 H-34 S-58 Choctaw Helicopter Army Marine USMC Military Mahogany Wood Wooden Model - Sweden

TRUMPETER 02882 1/48 SIKORSKI H-34 US NAVY RESCUE 'CHOCTAW' HELICOPTER KIT - AliExpress

Sikorsky S-55, S-56, & S-58

Sikorsky CH-37 Mojave Heavy Lift Transport helicopter. Precursor to the Skycrane series of helicopters. : r/WeirdWings

Sikorsky H-34 Choctaw/Seabat/Seahorse

Luftwaffe Resource Center - Post War Aircraft - A Warbirds Resource Group Site

Stupid question: Does anyone know what the vents just below the cockpit on the Sikorsky H-34 are for? : r/aviationmaintenance

Sikorsky S-55, S-56, & S-58

Sikorsky S-58 - Heli Archive

Sikorsky S-58 - Heli Archive

Sikorsky S-58 - Heli Archive

Sikorsky H-34 Choctaw: Vietnam War's Unsung Hero? - The Armory Life

Here's why the CH-37 Mojave is (probably) the worst military helicopter ever made - The Aviation Geek Club

What is the design philosophy behind the Sikorsky UH34 anti-submarine helicopter's piston engine and unusual nose housing of the engine? - Quora