From Arda Industries:

We bring you our first entry into rotocraft with the Arda Windlord Tiltrotor Helicopter. It is capable of VTOL/STOL, and features a tiltrotor system for Hybrid Cruise/Helicopter mode. It is possible to control this craft without Gyros, however they are equipped is you so chose to use them (AG 4).

Full 90 deg. angle on the main rotors while in-flight is VERY difficult to both achieve and control, therefore we highly recommend that main rotor angle only be changed gradually in 10 deg. increments. This craft was tested at 45 deg. main rotor angle, and was able to achieve 70m/s this way, and although main rotor angles beyond 45 deg. are possible, it is again very difficult to achieve full cruise this way. Attempt to do so only at very high altitudes (above 2000m).

Operation:

-Engines: (AG 1): All engines operate at rated power (100%) at all times, throttle operates main rotor blade angle.
-Navball: Turn on Gyros (AG 4), Turn off Helicopter mode (AG 2) before navball use.
-VTOL/STOL: Throttle at 50% or as required, Flaps (Slider 1) 30% or as required
-Cruise: Turn Gyros on (AG 4), set slider 2 to 0% Turn Tiltrotor on (AG 3), and GRADUALLY and incrementally increase slider 2. Turn off Helicopter mode (AG 2), Retract Flaps
-Cargo: Use the red line on the cargo bay floor (Or the water tank already in the cargo bay) as reference for where the CoM of the cargo should sit. If your cargo's CoM is not on the red line, you will have to change the craft's CoM.