Controls
Pitch for grav-drive (A7 for boost engine)
Roll and Yaw both work for yaw
Throttle controls hover engine (~47-51% is hover)
Trim for pitch alignment
VTOL controls weapon alignment

Armament

Gun-based weapons
Hexaspectral Burst-Pulse turrets—Activator 1
Cross-spectral plasma boltgun turrets—Activator 2
Upgraded Cascade Laser—Activator 3
Butterfly CIWS/Display system—Activator 4 (may cause lag on some devices)

AA Missiles
32 V-14 Shrike missiles—Guardian based, ~7.5 mile range, 360 degree instalock
24 White Bird AA defensive missiles—Interceptor based, 2 mile range, 360 degree instalock

AG Missiles

32 X-13 Megalodon missiles—360 degree instalock
12 X-15 Bull missiles—Missiles possessing constant acceleration
16 Fission Torpedoes—Straight-fire missiles with proximity detonation and high speed. Minimum range is ~2 miles. Aim is recommended but not necessary.

Other

Near-C Coilgun—launches projectiles at 90% the speed of light
Molecular Induction particle burst cannon

Tips

Remember that the mass is low. As a result maneuvers and deceleration are easy, but you will be jerked about in combat.
The White Bird missiles rely on their speed to dispatch enemies before they can dispense countermeasures. They work best at very close range (<1 mile).

Thanks to Kerbo#0010 for testing, suggestions, and content.