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UAV · Unmanned helicopter (VTOL UAV)

Vigilante 502

Science Applications International Corporation (SAIC) · United States

SAIC-developed unmanned VTOL rotorcraft based on the Ultrasport 496 helicopter, used for surveillance, CBRN/radiation detection and demonstrated as an armed live-fire platform.

CountryUnited States
SubcategoryVTOL / Hybrid
SubtypeUnmanned helicopter (VTOL UAV)
RoleISR / armed VTOL UAV
ClassificationVTOL UAV
MissionISR, CBRN detection, armed reconnaissance
Notable partnersL3 Wescam
MTOW (kg)499
Frame typeMultirotor
Length (m)5.79
PropulsionPiston
Launch methodVertical take-off
Recovery methodVertical landing
Max payload (kg)68
Max speed (km/h)217
Standard sensorsL3 Wescam EO turret; radiation detector; chemical agent detector
Service ceiling (m)3962
Airframe / lift typeSingle-rotor / helicopter
DomainAerial (UAV/UAS)
Mission / use case – militaryArmed UCAV, ISR
Origin / supply chainMilitary-grade
PropulsionICE – petrol
Signature / detectabilityRCS – medium
Speed regimeHigh (150–400 km/h)
Strike depth / operational roleRecon-strike complex (ISR + strike paired, e.g. Mavic + FPV, Orlan + Lancet)
Threat vectorSurveillance / reconnaissance
Weight / classClass II – Tactical (150–600 kg), FAA >25 kg (Part 137 / waiver)
Review-stage catalogue data — specs corroborated from manufacturer and secondary sources; not for procurement decisions.