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The OGASSA OGS42 is the latest generation of UAVision Unmanned Air Systems. It is a military-grade proven UAS that is being used by several forces including the Portuguese Air Force under Squadron 991 that operates 12 units since 2019 and the Portuguese Navy which uses the VTOL version.

There are several versions of the Ogassa OG42, the standard with runway takeoff, the VTOL version, and the extended version that enables a full autonomy of 16 hours with full payload.

The OGASSA UAS is equipped with our how Uavision datalink the StormComm which is a proven system and currently provides full coverage of Portugal and is also in service on several frigates and ocean patrol vessels of the Portuguese NAVY.

Another standard payload is the UGS600 Uavision the EO electro-optical sensor that was specifically designed for this system and provides the latest technology capabilities such as Visible and thermal Vision, automatic target tracking, MTI , image enhancement filters, AI-based automatic target classification among many other options. The EO is also NATO STANAG 4609 compliant.

The system also uses a secondary satcom datalink and multiple frequency backup delinks to provide redundancy and capacity to operate in scenarios with high RF interference.


  • Length: 2.5 m

  • Wingspan: 4.2 m

  • Height: 1.1 m


  • Flight range: up to 2000 km (satcom)

  • Endurance: Up to 16 hours

  • Service ceiling: 10000 feet

  • Cruise speed: 51 knots

  • Max speed: 70 Knots

  • Stall speed @ 38 Kg: 42 knots

  • Propulsion:  Combustion engine

  • Fuel Type: Gasoline

  • Electrical power: On-board generator

  • Two redundant batteries

  • Maximum take-off weight: 40 kg

  • Maximum payload weight: 5 kg

In 2022 an Ogassa OGS42 operated by the Portuguese Air Force and Uavision departure from Beja Airbase in Portugal mainland during the night and performed a crossing to Porto Santo Island in the Madeira Archipelago, completing a distance of 1000Km (540 nautical miles).

Flight altitude 4000ft 

Cruise speed 51Knots

Fuel consumption half thank

Ogassa OGS42 operated by the Portuguese Air Force and Uavision during the NATO TigerMeet exercise tracking a A400 Airbus aircraft using a Uavision UGS600 EO

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