Originally Posted by
Capn Bloggs
Not "couldn't", "didn't". Poor design.
How so? Can you name and show a design which works consistently and in all scenarios when that far outside of the envelope? Bet you can't.
BOAC did put 'on the ground' in quotes, the inference which is obvious.
Again, how so? As far as the systems are concerned an IAS of <60kts does not mean the same as "on the ground".