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R-1/A Flying Dog

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The R-1/A Flying Dog is a boss that appears in the level Security Hall from Sonic Adventure 2. It is a G.U.N. robot controlled by a soldier.


Features and abilities

The Flying Dog can fly smoothly in the air and at speeds surpass that of both the B-3x Hot Shot and F-6t Big Foot. It can also fire homing laser or attack with machine guns like its other variants, but at a faster rate.


General Characteristics

  • Combat weight: 89.800 lbs.
  • Dimensions
    • Full length: 11.9 ft.
    • Width: 15.8 ft.
    • Height: 11.4 ft.
    • Wingspan: 38 ft.
  • Power Plant: Seven GUN F-series turbofan engines / Two GUN RX-01 turbofan engines with afterburners

Speed: 160 mph

Thrust: R1-B/C. 10.000 pounds each engine.

Cooling (?): 32.000 H(?)

Range: 2.400 miles.


  • One 200mmm Long-Range Beam Cannon
  • One M-32A1 22mm Gatling gun
  • Two four AIM-120C Advanced Medium-Range air-to-surface Missiles
  • External stations can carry up 10 conventional airt-to-air and air-to-surface munitions and electronic contermeasure pods.

Crew: R1-A: One. R1-B/C: Two.


R-1/A Flying Dog is fought after playing Security Hall, where it traps Rouge the Bat on Prison Island. Why it attacked Rouge despite being a GUN agent herself is not explained.


Boss guide

To defeat him, Rouge must use the cages around her by climbing up them, then jump off them and fly into him and hit him in the cockpit by using either the Screw Kick or by just gliding. After doing this multiple times he will be defeated.


Sonic Adventure 2- R-1A Flying Dog -1080 HD-01:05

Sonic Adventure 2- R-1A Flying Dog -1080 HD-

In other media

Sonic X

Main article: Flying Dog (Sonic X)

The Flying Dog's Eyecatch in Sonic X.

In the anime series Sonic X, the Flying Dog appeared during the Sonic Adventure 2 adaptation saga. In this media, they were constructed after the Perfect Chaos incident to combat Dr. Eggman's forces.


  • Based on the text pre-battle, the R-1/A Flying Dog had at least two variants, both of which accommodated two pilots instead of one.

Main article | Gallery | Beta elements | Staff | Re-releases (Battle | 2012)

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