Basically, Airwolf is an aerodynamic lifting body with a twin turbine-driven rotor system capable of propelling it to 300 knots.
8 seconds sound clip from Airwolf (1984) - Shadow of the Hawke (S1.E1) action military drama television series.
You can hear this line at 00:04:56.110 in the Blu-ray version of the TV Series.
Quote context
[...]
- Airwolf, Red Star Control. You may clear the defense area.
- We don't know yet. So far, it's only slightly exceeded the speed of sound.
- No helicopter can fly faster than sound.
- In other words, it's a fast, twin-engine jet chopper.
- 9.6 seconds after ignition, Airwolf can exceed Mach 1 from sea level to 65000 feet.
[...]