The Kazan Ansat

Ansat became the winner of a competition to supply 100 training helicopters to Russian armed forces by 2015. “Ansat” name in Tatar language can be translated as “easy or light”.

A Snapshot of the Kazan Ansat

Design work on the Ansat helicopter began at Kazan in 1993, with structural strength and aerodynamic calculations subcontracted to Kazan State Technical University, production of the rotor to Aviation Scientific Co. and transmission to Aeromechanica Co.

The first Ansat flight was on Aug. 17, 1999. On 14 September 2001, Ansat became the winner of a competition to supply 100 training helicopters to Russian armed forces by 2015. “Ansat” name in Tatar language can be translated as “easy or light”.

Design Features:

  1. Optimized for aerodynamic efficiency and survivability in case of emergency landing (1m/s power-off touchdown speed) and with off-base routine maintenance. Ansat features traditional metal structure for simplicity and reliability. Meets FAR PT. 29 Category A and Russian AP-29 requirements
  2. Equipped with shock absorbing seats for passengers. Conventional configuration high mounted tail boom carrying fixed horizontal stabilizer and two fins, two turbo-shaft power plants above the cabin
  3. A fiberglass torsion bar with four main blades and a two-blade tail rotor
  4. Two-stage, VR-23 main rotor reduction gear in magnesium case on front of the engines; ratio 16.4; rotation speed 365.4 rpm; blade tip speed 220m/s
  5. Transmission rating 769kW
  6. Tail rotor speed 2,000 rpm via single stage conical gearbox
  7. Rotor brake
  8. Manual blade –folding and main rotor aero foil section NACA 23012

Baseline Configuration:

Landing Gear:
  • Twin skids with Kazan transverse shock absorbers; tail bumper to protect anti-torque rotor
  • Optional; tricycle configuration, with Yaroslav tyres and Gidroagregat brakes
  • Optional emergency signalization system
Powerplant:
  • Two PRATT & WHITNEY P&W PW 207K turbo shaft engines each rated at 470kW for T- O, 410kW max continuous, 529kW for 30 s, 470kW continuous OEI and 491kW, 2 minutes OEI. FADEC standard
Fuel Capacity:
  • 700 liters either in external tanks or under floor fuel tanks. Optional internal fuel-tank
Accomodation:
  • Up to 11 person, including one or two pilots, on energy-absorbing seats; or two stretcher patients and three attendants; or internal or externally slung freight
  • Two forward-hinged doors on each side of flight deck; two horizontally divided doors on each side of cabin, baggage bay behind cabin, with rear-facing door
  • Baggage door is also used for loading stretchers in medical variant
  • Cabin is ventilated and heated, air conditioning is optional
Avionic Systems:
  • Avionika FBW controls quadruple electronic system and duble hydraulic system
  • Automatic flight control is standard on all piloting functions and optional on navigation functions with KSU-A digital control system
  • Main transmission drives two alternators (each 200V, 400Hz), two generators (each 27V), two fans and two hydraulic fuel pumps for separate systems
  • Electrical system 27V, with battery, optional AC system is with second battery
  • Electric de-icing optional
Option Equipment:
  • Rescue hoist
  • cargo tight ups
  • IRF
Radar:
  • Provision for it is in the nosecone
Operation Use:
  • Rescue, ambulance, firefighting, agriculture, police, TV, and military

Variants:

Basic:
  • Optimized for transportation of passengers, or as an ambulance, S&R, training, patrol and for other duties
  • Provision for the attachment of extra fuel tanks to the sides of the cabin
  • Passenger modification can carry up to 10 passengers plus 1 pilot
  • Optimized for use as a Taxi, Tour, Offshore or Corporate helicopter
Transport:
  • Removed seats and additional tie down points the helicopter can carry 1,000 kg of cargo inside the cabin, and 1,200 kg on external sling
  • The most spacious cabin in its category (6.7 m3)
  • Optimized for use as a Agriculture, Flying or Firefighting helicopter
"U Training":
  • Optimized for training includes dual controls system and three wheel landing gear
  • Can be used for training of aviation cadets and civil persons, as well as for pilot retraining
  • With the installation of two gas turbine engines and reliability of the main helicopter components this variant can provide the highest safety standard that is required for training flights
  • The only Russian helicopter equipped with digital fly-by-wire control system (KSU-A), which allows simulation of the required engine shut off training mode, without actually switching the engines off
AG Inspection:
  • Special version designed for Gazprom pipeline inspection.
Observation:
  • Prototype of scout helicopter based on the Ansat was first shown at Moscow Aerosalon in August 2001, with GOES 521 turret in nose and optical sensors developed by Optooil ZAO

Specifications:

Take-off Weight:
Normal:
3000 kg
Maximum:
3300 kg
Empty Weight:
---
Cargo Compartment Dimensions:
Lenth:
3.15m
Height:
1.3m
Width:
1.68m
Dimensions of Airframe:
Lenth:
11.8m
Height:
3.5m
Width:
2.4m
Diameter of Main Rotor:
---
Number of Blades:
Main Rotor:
4
Crew:
2
Passengers:
Seated:
9 (airline)
VIP:
4 to 6 (airline)
Operational Activities:
  • Border Patrol
  • External Sling Load
  • Internal Cargo
  • Medical
  • Military
  • Offshore Transport
  • Passenger Transport
  • SAR
  • Training
  • VIP

Performance:

Load-Carrying Capacity:
In Cargo:
---
On External Sling:
---
Crusing Speed:
250 km/h
Ceiling Under ISA Conditions:
Hovering OGE (min):
3300 m
Service (min):
5700 m
Powerplant: PW-207K
Fuel Consumption:
0.21 kg/hp*h
Service Life:
1500 h
Power:
2200 h.p.
Range:
With Max. Fuel:
635 km
Maximum Flight Duration:
3h
Avia

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