In other words, we could fly circles around Airwolf.
Airwolf could go from zero to Mach one in ten seconds from sea level to 40,000ft.
Now, the actual helicopter was a Bell 222 which tops out about 165 MPH. It did have twin turboshaft Lycoming engines which is unusual for an executive "puddle-jumper" but nowhere near mach speeds.
When you can print every third frame of a 35mm. camera negative you can make an executive chopper with some fiberglass option add-ons look pretty good for way less than a billion dollars.
I enjoyed the tv show a lot ... in fact I have the complete DVD set ... but we do not yet have the ability to make real helicopters that can do the things it could do.
And, good grief, the ADF pod tubes were bigger than two inches .......