Kamov Ka-15

what is it?

The Kamov Ka-15 (NATO reporting name Hen) is a Soviet two-seat utility helicopter with coaxial rotors, which first flew on 14 April 1952 at the hands of test pilot D. K. Yefremov. It was the world's first mass-produced coaxial helicopter. State acceptance trials were completed in 1955, and the helicopter entered production the following year at aircraft factory No.

🔎How to recognise it: 1 piston engine · 10 m main rotor

base stats

• speed 150 km/htop speed
• range 390 kmwithout refuelling
• seats 1passengers
• size 1,410 kgmax take-off weight
• built 354made 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 74 years ago, in 1952.
• 🚗Rotor of 10 m: about 2 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

1952

introduced

1955

number built

354

role

light utility helicopter

origin

🇷🇺 Soviet Union

makers

Kamov

engines

1× Ivchenko AI-14V / AI-14V

crew

1

passengers

1

length

6.3 m

rotor diameter

10 m

height

3.4 m

max take-off weight

1,410 kg

top speed

150 km/h

cruise speed

125 km/h

range

390 km

ceiling

3,000 m

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