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SAGEM Patroller

Tactical-Level Intelligence-Surviellance-Reconnaissance (ISR) Unmanned Aerial Vehicle (UAV) [ 2017 ]

The French SAGEM Patroller UAV is based on the two-seat German Stemme S-15 motor-glider.

Authored By: Staff Writer | Last Edited: 06/22/2022 | Content ©www.MilitaryFactory.com | The following text is exclusive to this site.

The various wars of the early 2000s presented warplanners with a need for more-capable Unmanned Aerial Vehicles (UAVs) and this ultimately led to considerable growth of a what was really already a veteran industry (unmanned systems were used in warfare as early as 1849 in Austria). As a result, there emerged a plethora of global players hoping to make their presence felt in the realm of unmanned aircraft systems, drones and autonomous flight.

The French-originated SAGEM "Patroller" is a part of this UAV explosion, born from the two-seat Stemme ASP 515 powered glider. The Patroller removes the need for physical human pilots but retains all of the form and function of the glider resulting in a very useful, logistically-friendly unmanned system for both civil and military markets. The system is approved for such mission types as Intelligence-Surveillance-Reconnaissance (ISR), artillery spotting, peacekeeping/humanitarian aid and border protection. The mission payload exceeds 250 kilograms.

The Patroller is detailed as a tactical-level UAV and features a scalable architecture to better integrate with existing air command systems. A "see and avoid" module allow it to function in civilian airspace. The aircraft has been developed with inherent low-noise qualities as well as a reduced radar and heat signature to better operate in battle zones. Autonomous flight is possible and both landing and take-off actions can be handled automatically (as well as taxiing). As such, the aircraft can use traditional prepared runways.

Externally, the aircraft sports a tear-drop-like shape for its fuselage in which the forward section is noticeably bulbous. It houses the powerplant which includes a three-bladed propeller unit at the nose. The optics fit sits under the belly with a complete 360-degree view of the action under the aircraft. A tricycle undercarriage is featured. The wing mainplanes are straight and high-mounted along the fuselage sides, each underwing point able to carry a pod. The empennage begins at the rear of the fuselage and runs to the single tail fin which mounts the horizontal stabilizer.

Patroller is flight-capable for up to 20 hours and can operate at an altitude up to 20,000 feet reaching speeds of 200 kilometers per hour.©MilitaryFactory.com
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SAGEM - France
France (probable); Egypt
Operators National flag of Egypt National flag of France
Service Year
National Origin
Active, Limited
Project Status

Surveil ground targets / target areas to assess environmental threat levels, enemy strength, or enemy movement.
Aircraft inherently designed (or later developed) with an unmanned capability to cover a variety of over-battlefield roles.

28.0 ft
(8.52 meters)
59.1 ft
(18.00 meters)
8.0 ft
(2.45 meters)
1,653 lb
(750 kilograms)
Empty Weight
2,425 lb
(1,100 kilograms)
Maximum Take-Off Weight
+772 lb
(+350 kg)
Weight Difference

1 x Rotax 914 F2 engine developing 113 horsepower while driving three-bladed propeller at the nose.
124 mph
(200 kph | 108 knots)
Max Speed
20,013 ft
(6,100 m | 4 miles)
2,485 miles
(4,000 km | 2,160 nm)

MACH Regime (Sonic)
RANGES (MPH) Subsonic: <614mph | Transonic: 614-921 | Supersonic: 921-3836 | Hypersonic: 3836-7673 | Hi-Hypersonic: 7673-19180 | Reentry: >19030

None. Mission payloads to include equipment for Intelligence, Surveillance, and Reconnaissance (ISR).

Patroller - Base Series name
Patroller R - Ground surveillance model
Patroller M - Maritime patrol model
Patroller S - Homeland Security variant

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Image of the SAGEM Patroller
Image from official SAGEM marketing material.

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