ST-35 Silent Thunder

Loitering munition unmanned aerial system ST-35 “Silent Thunder” is a weapon system in which the munition loiters around the target area for some time, searches for targets or use reconnaissance data from other sources, and attacks once a target is located. Loitering munitions enable faster reaction times against concealed or hidden targets that emerge for short periods without placing high-value platforms close to the target area and also allow more selective targeting. Having a vertical trajectory of target attack Silent Thunder can destroy the target in a densely built urban area with minimum risk of harm for civil human, infrastructure and minimize the level of collateral damage.

ST-35 “Silent Thunder” was developed using modern technological solutions and designed to improve operational capabilities and the level of radar, visual and acoustic invisibility. Long-term experience in development, production, support of a life cycle of the military purpose unmanned systems, widely applied in military conflicts, was used during this system creation.

ST-35 “Silent Thunder” can use a wide range of warhead types (high explosive, thermobaric, incendiary, cumulative) for accuracy hitting of important targets and critical infrastructure, including Radars, EW systems, elements of communication and control systems, ammunition, and fuel depots, suppression of firing points, etc. The X-layout biplane scheme is best suited for such purposes and guarantee high rates in horizontal flight and in targets hitting. The system is designed to be carried in backpacks and has a mission set of 3 loitering munitions that can be carried by the unit of three people in three backpacks each ~15+ kg.

To increase the duration and range of the flight, the system uses a multirotor UAV, designed for the vertical launch of loitering munition and further relay of control signals and payload data.

1kg

Warhead weight

1km

Operation radius

1m

Flight time

1kg

Takeoff weight

TECHNICAL CHARACTERISTICS

Range

30 km

Takeoff weight

9,5 kg

Warhead weight

3,5 kg

Circular deviation

up to 3 m

Flight time

60 m

Probability of hitting the target

95%

Working height

800-1200 m

Cruise speed

120-140 km/h

Launching way

Vertical take-off with a multi-rotor

Warhead type

FAE, HEAT, HEF

Targeting method

Automatic, on television / IR channel

DEPLOYMENT & LAUNCH

PREPARATION OF THE LAUNCH PAD & ASSEMBLY OF UAV`s

Deployment of the launch platform

Fuselage fixation in the launch platform

4 all-round stabilizers & 4 wings fixation fixation

Connection the payload module and the optical part with the fuselage

Dropping module fixation to UAV

Central part of the multi-rotor fixation

Multi-rotor rays connection
ANTENNA SYSTEM & GCS PREPARATION. UAV LAUNCH

Raising the mast with the antennas upright

Connection the cables of the antenna system to the GCS

Carrying-out pre-flight systems checking

UAV & multirotor switching-on

Launching

Aircraft & multirotor rising up at an altitude of 400-600 m

Undocking of loitering munition that goes into horizontal flight at the target
MULTIROTOR RETURN, REPLACEMENT OF MODULES. RELAY LAUNCHING

Multirotor returning

Replacement of the dropping module with the relay module with antennas

Launch and raising of the multirotor to a height of about 1 km

Relay signal from the operator to the UAV
TARGET DETECTION & DESTRUCTION BY THE UAV

Pre- intelligence procedures conducting

Target detection by the operator

Target reaffirmation

Target acquisition & automatically dive mode of UAV starting

Target destruction

Visual confirmation of target destruction by the operator
RELAY RETURNING & MISSION ENDING

Return of the multirotor to the launchpad

System assembly

Mission Completion

SYSTEM SPECIFICATION

UAV “Silent Thunder”

Ground control station

Optical payload

Warhead

Multi-rotor

Dropping module

Relay module

Antenna complex

Spare parts, tools & equipment

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