The Azure/Azur Raven is the only AS to appear in the first book

Name is probably supposed to be Azure but written in romaji as "Azur" at the end of the book

Type 11 kai (ARX-10d) Azur Raven
Production: Ebisu Heavy Industries, Cavalier Dynamics, DOMS
Height: 8.7m
Weight: 12t
Power: Palladium reactor (Ross & Hambleton SSR4300 [4250kw])
Max operating time: 80 hours
Max speed: 170km/h (foot)/420 km/h (flight)
Max height: 2100m
Built-in weapons: GAU-19/S 12.7mm gatling gun x1, M18A2 wire gun x1
External weapons: Toshiba Type 10 Kai monomolecular cutter, Seward Arsenal "Gorgon 2" 155mm demolition gun

Hybrid of the JSDF type 11 and M9 parts made in the US. New Agile Thrusters let it hover like a helicopter. ECS lets it become completely invisible. Profile also says "as long as it has a 1 Gbps connection it can get support from Al anywhere on the planet and activate the Lam-"

Gatou says it's the most powerful third generation AS and one of the most powerful in the world "but who knows which would win if it fought the Laevatein". But he also says that he's talking to Ebikawa about fourth gens.