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AVICopter AC311


Light Utility Helicopter


China | 2015



"The AVICopter AC311 is an in-development Chinese-originated offering for the growing global light utility helicopter market."



Authored By: Staff Writer | Last Edited: 10/22/2019 | Content ©www.MilitaryFactory.com | The following text is exclusive to this site; No A.I. was used in the generation of this content.
With China's massive industrial growth in recent decades, its defense industry has flourished with a range of ongoing projects and many more on the horizon. No longer content with being a military purchaser (primarily from the Soviet Union/Russia), its military-industrial complex has taken on exceedingly more complex programs - from Fifth generation fighter aircraft and Unmanned Aerial Vehicles (UAVs) to full-fledged Main Battle Tanks (MBTs) and infantry assault weapons. AVICopter, a state-owned defense concern with origins as far back as 1951, began work on a new light helicopter design in 2009 which has become the AC311 product today.

The foundation for the AS311 program was formed decades before when Changhe Aircraft Industries Corporation (CAIC) began illegally copying the French Aerospatiale/Eurocopter AS350 "Ecureuil" (meaning "Squirrel") as the "Z-11". The original French design was developed in the 1970s and introduced during 1975 before entering service with a plethora of global operators including Australia, Brazil, and Jordan. Work on a more localized version - the Z-11 - was started in China in 1989 and development eventually produced a workable system which first flew in late 1994. Introduction was in 1998 to which several versions of this light design eventually emerged for military service - including an armed, light attack platform.

From this work then blossomed the modern AC311 series, its appearance not unlike the lines regularly encountered in light-class French helicopters. The aircraft features a largely glassed frontal section for excellent vision out of the cockpit. A small cabin area is situated aft of the cockpit and under the single engine installation found along the cabin roof. The tail stem originates from a low part of the cabin body and houses a shaft used to drive a tail rotor affixed to the starboard side of the vertical tail fin. The main rotor is a three-bladed assembly. As only one engine is featured in the design, only a single jet pipe is seen over the tail stem. First flight was in 2011. The engine is an American Honeywell LTS101-700D-2 turboshaft driving the three-bladed main rotor and two-bladed tail rotor.

The AC311 program has since evolved by way of a new engine installation, a revised main rotor, and improved flight controls which has produced the AC311A variant. The mark also includes largely Chinese avionics and comes in some 100lbs heavier than the original model. Development of the new mark began in August of 2013 and the engine of choice became the French Turbomeca Arriel 2B1A turboshaft (based on a 2011 agreement between the French engine maker and AVIC). First flight of the AC311A was announced in August of 2014.

The AC311 has achieved certification in China (2012) and dozens of the aircraft are said to be on order for AVIC.

Content ©MilitaryFactory.com; No Reproduction Permitted.
Power & Performance
Those special qualities that separate one aircraft design from another. Performance specifications presented assume optimal operating conditions for the AVICopter AC311 Light Utility Helicopter.
1 x Honeywell LTS101-700D-2 turboshaft engine driving three-bladed main rotor and two-bladed tail rotor.
Propulsion
180 mph
290 kph | 157 kts
Max Speed
15,092 ft
4,600 m | 3 miles
Service Ceiling
410 miles
660 km | 356 nm
Operational Range
1,680 ft/min
512 m/min
Rate-of-Climb
City-to-City Ranges
Operational range when compared to distances between major cities (in KM).
NYC
 
  LON
LON
 
  PAR
PAR
 
  BER
BER
 
  MOS
MOS
 
  TOK
TOK
 
  SYD
SYD
 
  LAX
LAX
 
  NYC
Structure
The nose-to-tail, wingtip-to-wingtip physical qualities of the AVICopter AC311 Light Utility Helicopter.
2
(MANNED)
Crew
36.1 ft
11.00 m
O/A Length
35.1 ft
(10.70 m)
O/A Width
10.3 ft
(3.15 m)
O/A Height
2,590 lb
(1,175 kg)
Empty Weight
4,960 lb
(2,250 kg)
MTOW
Design Balance
The three qualities reflected below are altitude, speed, and range. The more full the box, the more balanced the design.
RANGE
ALT
SPEED
Armament
Available supported armament and special-mission equipment featured in the design of the AVICopter AC311 Light Utility Helicopter .
None. Conceivably militarized forms will feature machine guns, gun pods, rocket pods, and missile armament.
Variants
Notable series variants as part of the AVICopter AC311 family line.
AC311 - Base Series Designation; initial product model; powered by Honeywell LTS101-700D-2 turboshaft engine.
AC311A - Improved flight controls; revised main rotor; Turbomeca Arriel 2B1A turboshaft engine; Chinese avionics.
Operators
Global customers who have evaluated and/or operated the AVICopter AC311. Nations are displayed by flag, each linked to their respective national aircraft listing.

Total Production: 10 Units

Contractor(s): AVICopter - China
National flag of China

[ China ]
Relative Max Speed
Hi: 200mph
Lo: 100mph
Aircraft Max Listed Speed (180mph).

Graph Average of 150 MPH.
Era Crossover
Pie graph section
Showcasing Aircraft Era Crossover (if any)
Max Alt Visualization
Small airplane graphic
Production Comparison
10
36183
44000
Entry compared against Ilyushin IL-2 (military) and Cessna 172 (civilian) total production.
MACH Regime (Sonic)
Sub
Trans
Super
Hyper
HiHyper
ReEntry
RANGES (MPH) Subsonic: <614mph | Transonic: 614-921 | Supersonic: 921-3836 | Hypersonic: 3836-7673 | Hi-Hypersonic: 7673-19180 | Reentry: >19030
Aviation Timeline
EarlyYrs
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Interwar
WWII
ColdWar
Postwar
Modern
Future
1 / 1
Image of the AVICopter AC311
Image copyright www.MilitaryFactory.com; No Reproduction Permitted.

Mission Roles
Some designs are single-minded in their approach while others offer a more versatile solution to airborne requirements.
MEDEVAC
COMMERCIAL AVIATION
VIP SERVICE
RECONNAISSANCE
Recognition
Some designs stand the test of time while others are doomed to never advance beyond the drawing board; let history be their judge.
Going Further...
The AVICopter AC311 Light Utility Helicopter appears in the following collections:
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