TTA UAV

TTA UAVs are Chinese UAV developed by Beijing (Northern) Tian-Tu (meaning Sky Way) Aviation Technology Development Co., Ltd. (TTA, 北方天途航空技术发展有限公司). Majority of the TTA products are unmanned helicopters, but there are also fixe-wing UAV as well. Most UAV developed by TTA utilizes commercial off-the-shelf (COTS) airframes integrated with flight control systems indigenously developed by TTA.

EH-1
EH-1 UAV is an unmanned helicopter in conventional helicopter layout, and the landing gear system consists of a pair of skids. The electrically powered micro air vehicle (MAV) is an integration of COTS airframe with flight control system developed by TTA. Specification:
 * Length: 1.65 m
 * Height: 0.67 m
 * Rotor diameter: 1.8 m
 * Empty weight: 3–4 kg
 * Rate of climb: 2 m/s
 * Max speed: 70 km/h
 * Endurance: 30 min with 1 kg payload
 * Payload: 1–4 kg
 * Ceiling: 5 km

EH-3
EH-3 UAV is an electrically powered unmanned helicopter in conventional helicopter layout, and the landing gear system consists of a pair of skids. EH-3 is a larger cousin of the smaller EH-1 can carry payload twice as much, and it is constructed of carbon fiber.
 * Length: 2 m
 * Width: 0.2 m
 * Main rotor diameter: 1.9 m
 * Payload: 8 kg max
 * Max speed: 70 km/h
 * Endurance: 30 min

FH-1
FH-1 UAV is a gasoline-powered unmanned helicopter in coaxial layout, and the landing gear system consists of a pair of skids. Specification:
 * Width: 0.7 m
 * Height: 1.3 m
 * Empty weight: 45 kg
 * Max take-off weight: 75 kg
 * Payload: 20 kg
 * Fuel: 10 kg
 * Main rotor diameter: 2.5 m
 * Power plant: two 10 hp gasoline engines
 * Max speed: 110 km/h
 * Cruise speed: 60–70 km/h
 * Ceiling: 3 km
 * Endurance: 1.5 km
 * Range: 90 km
 * Rate of climb: 3 m/s
 * Max wind speed allowed for operation: 90 km/h in flight, 45 km/h for take-off and landing

M4
M4 quadcopter is a multirotor developed by TTA, and the landing gear of this MAV is a pair of skids. Specificaiton:
 * Ceiling: 4 km
 * Rate of climb: 8 m/s
 * Cruise speed: 36 km/h
 * Max speed: 50 km/h
 * Endurance: 40 min
 * Range: 12 km
 * Control radius: 6 km
 * Payload: 2 kg
 * Max take-off weight: 6.5 kg
 * Max wind scale (speed) allowed for operation: 6 (13.8 m/s)
 * Operating temperature: -10 to 50 °C

M6
M6 hexacopter is a multirotor developed by TTA, and the landing gear of this MAV is a pair of skids. M6 hexacopter is constructed of carbon fiber. Specification:
 * Length: 0.85 m
 * Empty weight: 3 kg
 * Max payload: 2.5 kg
 * Max speed: 72 km/h
 * Endurance: > 20 min
 * Operating temperature: -10 to 70 °C
 * Operating relative humidity: 0–90 %

M8
M8 octocopter is a multirotor developed by TTA, and the landing gear of this MAV is a pair of skids. M8 octocopter is constructed of carbon fiber. Specification:
 * Length: 1.06 m
 * Empty weight: 3.7 kg
 * Max payload: 4 kg
 * Max speed: 72 km/h
 * Endurance: > 25 min
 * Operating temperature: -10 to 70 °C
 * Operating relative humidity: 0–90 %

M18
M18 octodecacopter is a multirotor developed by TTA, and the landing gear of this UAV is a pair of skids. There are a total of six Y-shaped arm each with three rotors attached, two of which are at the top tips of the Y shaped arms, and the third rotor is installed in the middle of the leg of the Y shaped arm. M18 octodecacopter has been deployed in agricultural missions such as crop dusting. Specification:
 * Payload: 8–10 kg
 * Take-off weight: 15–22 kg
 * Speed: 0–8 m/s
 * Endurance: up to 30 min

RH-1
RH-1 UAV is a gasoline-powered unmanned helicopter in conventional helicopter layout, and the landing gear system consists of a pair of skids.
 * Length: 3.5 m
 * Width: 0.66 m
 * Height: 1.05 m
 * Rotor diameter: 3.2 m
 * Fuel: 12 l
 * Empty weight: 60 kg
 * Max take-off weight: 100 kg
 * Payload: 25 kg
 * Power plant: 342 cc 32 hp gasoline engine
 * Range: 70 km
 * Speed: 72 km/h

SH-1
SH-1 UAV is an unmanned helicopter in conventional helicopter layout, and the landing gear system consists of a pair of skids. Specification:
 * Length: 2.79 m
 * Width: 0.76 m
 * Height: 0.86 m
 * Main rotor diameter: 3 m
 * Tail rotor diameter: 0.7 m
 * Empty weight: 25 kg
 * Fuel: 2–3 l
 * Power plant: 121 cc 8.7 hp two stroke gasoline engine
 * Rate of climb: 122 m/min
 * Endurance: up to 4 h
 * Payload: 22.7 kg max

SP-01
SP-01 (also known as SP-1) is a fixed-wing UAV developed by TTA. This gasoline-powered MAV is in conventional layout with high-wing configuration, and it is constructed of composite material. Propulsion is provided by a two-blade propeller driven by a tractor motor mounted in the nose. Specification:
 * Length: 2.08 m
 * Wingspan: 2.7 m
 * Wing area: 0.86 m2
 * Empty weight: 5.5 kg
 * Payload: 5 kg
 * Speed: 80–140 km/h
 * Stall speed: 50 km/h
 * Cruise speed: 90 km/h
 * Rate of climb: 5 m/s
 * Radius: up to 100 km
 * Endurance: 2 h
 * Ceiling: 4 km
 * Launch: catapult or taxiing
 * Recovery: parachute or taxiing
 * Landing speed: 50–60 km/h
 * Max wind scale allowed for operation: 6

SP-02
SP-02 (also known as SP-2) is a fixed-wing UAV currently under development by TTA. SP-02 UAV is in twin-boom layout, and the twin tails are joined at the top. Propulsion is provided by a ducted propeller driven by a pusher engine mounted at the rear end of the fuselage. Specification:
 * Length: 2.3 m
 * Wingspan: 5 m
 * Wing area: 212.5 dm2
 * Empty weight: 26 kg
 * Payload: 40 kg
 * Speed: 80–140 km/h
 * Stall speed: 50 km/h
 * Cruise speed: 90 km/h
 * Rate of climb: 5 m/s
 * Range: 200–800 km
 * Endurance: 4 h
 * Ceiling: 4 km
 * Launch: catapult or taxiing
 * Recovery: parachute or taxiing
 * Landing speed: 50–60 km/h
 * Max wind scale allowed for operation: 6

VH-1
VH-1 UAV is a gasoline-powered unmanned helicopter in conventional helicopter layout, and the landing gear system consists of a pair of skids. VH-1 utilizes COTS airframes integrated with flight control systems indigenously developed by TTA. Specification:
 * Length: 2.45 m
 * Main rotor diameter: 2.5 m
 * Empty weight: 17 kg
 * Fuel: 9.5 l
 * Payload: 15 kg
 * Endurance: 80 min
 * Power plant: 10.5 hp turbo charged engine

VH-2
VH-2 UAV is an unmanned helicopter in conventional helicopter layout, and the landing gear system consists of a pair of skids. Specificaiton:
 * Length: 2.45 m
 * Main rotor diameter: 2.025 m
 * Empty weight: 12 kg
 * Power plant: 80 cc gasoline engine
 * Payload: 12 kg
 * Fuel: 4 l
 * Endurance: 80 min

XH-1
XH-1 is an unmanned helicopter in conventional helicopter layout, and the landing gear system consists of a pair of skids. Specification:
 * Length: 3.7 m
 * Height: 1.1 m
 * Weight: 55 kg
 * Payload: 40 kg