AC312E(H425-100) Helicopter Technical Data
Overview
The twin light helicopter AC312E(H425-100) is developed from AC312A by Harbin Aircraft Industry Group Co., Ltd.. with engines changed to ARRIEL 2H, which features higher power and lower fuel consumption , high-integrated avionics system, digital AFCS, high-powered DC power supply system, as well as optimation and improvement of other systems. This model features strong power and state-of-the-art avionics system. The reasonably laid-out cabin can be configured into a wide variety of missions. With excellent performance, AC312E(H425-100) is able to be operated at high and hot environment. It is suitable to utility and corporate (VIP) transportation, EMS and SAR, law enforcement, offshore oil and gas missions and etc..
With single main rotor and fenestron tail rotor incorporated, MTOW of 4250 kg, 1 minimum aircrew and up to 9 passengers, AC312E(H425-100) is able to be operated under complex meteorological conditions, day or night.
Dimensions
Overall Data
Overall Data |
Main rotor diameter |
12.00m |
Tail rotor diameter |
1.10m |
Overall length (Main rotor turning) |
13.72m |
Airframe length (Main rotor excluded) |
12.04m |
Airframe width (Main rotor excluded) |
3.21m |
Airframe width (Main rotor, horizontal stabilizer and side fins excluded) |
2.03m |
Height of vertical tail |
3.97m |
Height of rotor hub |
3.49m |
Underbelly ground clearance |
0.4m |
Wheel track |
1.90m |
Cabin data
Cabin data |
Max. length |
2.30m |
Max. width |
1.92m |
Max. height |
1.40m |
Effective area |
4.20m2 |
Effective capacity |
5.00m3 |
Luggage compartment
Luggage compartment |
Length |
2.00m |
FWD width |
1.70m |
AFT width |
1.10m |
FWD height |
1.00m |
AFT height |
0.75m |
Effective area |
2.25m2 |
Effective capacity |
1.10m3 |
Cabin door data
Cabin door data |
Cockpit door width |
0.90m |
Cockpit door height |
1.16m |
Mid-cabin door width |
0.90m |
Mid-cabin door height |
1.16m |
Sliding door width |
1.27m |
Sliding door height |
1.16m |
Luggage compartment door width |
0.73m |
Luggage compartment door height |
0.51m |
Performance data
Capacity
Capacity |
Passenger transport |
1 pilot + 9 passengers 2 pilots + 8 passengers |
EMS |
2 pilots+ 1 stretcher + 2 medical staff+ 1 patient's family |
Weight data
Weight data |
Maximum take-off weight |
4250kg |
Standard empty weight |
2297kg |
Max. useable fuel weight |
892kg |
Flight performance
Flight performance |
ISA |
ISA+20℃ |
Never exceed speed |
275km/h |
268km/h |
Optimum cruise speed |
240km/h |
237km/h |
Hovering ceiling IGE |
4100m |
3037m |
Hovering ceiling OGE |
1761m |
1068m |
Inclined climb rate |
8.23m/s |
8.09m/s |
Service ceiling |
5587m |
4631m |
Cruise range (without fuel reserve) |
709km |
705km |
Endurance (without fuel reserve) |
3.93h |
3.84h |
Powerplant data
Powerplant data |
2 ARRIEL 2H turboshaft engines manufactured by Turbomeca |
Thermal power |
Mechanical power |
OEI (30 s) |
842 kW |
704 kW |
OEI (2 min) |
754 kW |
635 kW |
OEI continous (unlimited) |
726 kW |
610 kW |
Takeoff power (5 min) |
735 kW |
495 kW |
Maximum continuous (unlimited) |
685 kW |
460.5 kW |
Note:The data above are used for presentation only; they may vary with different conditions.
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