Originally Posted by
Graybeard
The Flight Dynamics (now RockwellCollins) HGS, Headup Guidance System, was initially certified in about 1977 on the 727-200 at Alaska Airlines to CAT IIIa, 50' DH and 700' rvr. That's hand flown, of course. It has since then been expanded to many airlines and airframes, even those with autoland guidance.
Holy Schmoly, I didn't realise they had been around that long!!!
I thought my Company was progressive when it had them fitted to some 737's in 1998!!!