Sikorsky H-19 Chickasaw

what is it?

The Sikorsky H-19 Chickasaw (company model number S-55) is a multi-purpose piston-engined helicopter that was used by the United States Army and United States Air Force. It was also license-built by Westland Aircraft as the Westland Whirlwind in the United Kingdom. United States Navy and United States Coast Guard models were designated HO4S, while those of the U.S. Marine Corps were designated HRS. In 1962, the U.S. Navy, U.S. Coast Guard and U.S. Marine Corps versions were all redesignated as H-19s like their U.S. Army and U.S. Air Force counterparts.

🔎How to recognise it: 1 piston engine · 16.2 m main rotor

base stats

• speed 163 km/htop speed
• range 725 kmwithout refuelling
• size 3,402 kgmax take-off weight
• built 1,102made in total

Bars compare against all aircraft: 3,500 km/h, 20,000 km, 850 seats; size and number built on a log scale up to 640 t (An-225) and 45,000 built (Cessna 172).

fun facts

• 🎂First flew 77 years ago, in 1949.
• 🚗Rotor of 16.2 m: about 4 cars parked nose to tail.

piston: A car-like piston engine turning a propeller: simple and cheap, the classic small plane.

spec sheet

first flight

1949-11-10

introduced

1950

retired

1969

status

retired

number built

1,102

role

utility helicopter

makers

Sikorsky Aircraft Corporation

engines

1× Pratt & Whitney R-1340-57

crew

2

length

12.9 m

rotor diameter

16.2 m

height

4.1 m

max take-off weight

3,402 kg

top speed

163 km/h

cruise speed

137 km/h

range

725 km

ceiling

3,200 m

Specs are for the version in the Wikipedia article's specification section. Blank means the sources don't say.

family