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Ryan AQM-91 Firefly / Compass Arrow


Reconnaissance Drone (1968)


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Image courtesy of the USAF Museum of Dayton, Ohio, USA.

Jump-to: Specifications

The stealthy, reconnaissance-minded Ryan AQM-91 Firefly was also known under the name of Compass Arrow during its short time as a long-range reconnaissance drone.



Authored By: Staff Writer | Last Edited: 06/04/2018 | Content ©www.MilitaryFactory.com | The following text is exclusive to this site.
Teledyne Ryan / Ryan Aeronautical produced the AQM-91 "Firefly" as a stealth-minded, high-altitude, photo-reconnaissance Unmanned Aerial System (UAS). Development began in the late-1960s with the design intended for use by the U.S. Central Intelligence Agency (CIA)as well as the United States Air Force (USAF) for secret over-flights of Chinese airspace - with particular interest given to its growing nuclear sites. First flight was in September of 1968. The product also carried the name of "Compass Arrow".

To fulfill the requirements, the Firefly was given an operational altitude of 78,000 feet with a mission endurance time of 4.5 hours and range out to 2,000 miles. Its onboard photographic equipment allowed for vast swathes of territory to be photographed from 15 miles up with detail providing clarity down to one foot. Externally, the UAS displayed a rather conventional aircraft-type configuration with swept-back wings, a twin-vertical rudder tail unit and central fuselage nacelle. The powerplant was fitted over the fuselage spine as a single General Electric YJ97-GE-3 turbojet engine of 4,000lb thrust. "Stealth" qualities were covered through angled surfaces, special body coatings and onboard electronics.

By design, the AQM-91 was intended for air-launching from a host mothership - this being a Lockheed DC-130E "Hercules" aircraft (a drone-controlling variant of the famous transport aircraft) - and thusly not fitted with its own launching facility. From there, the drone would have operated under its own power and self-guidance utilizing its onboard systems. However, a manual override function allowed for ground controllers to assume function as needed.

With some thawing of China-U.S. relations in the early 1970s, the aircraft no longer found a specific mission requirement within the CIA/USAF, this despite some 28 of the type completed (eight prototypes with twenty production-quality units). As such, the line never flew a single mission over Chinese airspace in its service life and was ultimately discontinued by 1973.

Ryan Aeronautical was founded in 1934 and became part of Teledyne (as Teledyne-Ryan) in 1969. In 1999, Teledyne-Ryan was absorbed under the Northrop Grumman brand label.

Specifications



Service Year
1968

Origin
United States national flag graphic
United States

Status
RETIRED
Not in Service.
Crew
0
UNMANNED
Production
28
UNITS


Ryan Aeronautical / Teledyne-Ryan - USA
National flag of the United States United States
(OPERATORS list includes past, present, and future operators when applicable)
Intelligence-Surveillance-Reconnaissance (ISR), Scout
Surveil ground targets / target areas to assess environmental threat levels, enemy strength, or enemy movement.
X-Plane (Developmental, Prototype, Technology Demonstrator)
Aircraft developed for the role of prototyping, technology demonstration, or research / data collection.
Unmanned Capability
Aircraft inherently designed (or later developed) with an unmanned capability to cover a variety of over-battlefield roles.


Length
34.1 ft
(10.40 m)
Width/Span
47.6 ft
(14.50 m)
Empty Wgt
3,803 lb
(1,725 kg)
MTOW
5,512 lb
(2,500 kg)
Wgt Diff
+1,709 lb
(+775 kg)
(Showcased structural values pertain to the base Ryan AQM-91 Firefly / Compass Arrow production variant)
Installed: 1 x General Electric YJ97-GE3 engine developing 4,000lbs of thrust.
Ceiling
78,740 ft
(24,000 m | 15 mi)
Range
2,001 mi
(3,220 km | 5,963 nm)
(Showcased performance specifications pertain to the base Ryan AQM-91 Firefly / Compass Arrow production variant. Compare this aircraft entry against any other in our database. View aircraft by powerplant type)
None.


AQM-91 "Firefly" / "Compass Arrow" - Base Series Designation.


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