Interesting info on the subject here and here.
I was going to ask if there was a stall warning system or stick shaker, but the info in one of the links says not. I guess that, apart from when landing, the SR-71 never got into many slow speed and/or low altitude situations!
@peterh started
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I was going to ask if there was a stall warning system or stick shaker, but the info in one of the links says not. I guess that, apart from when landing, the SR-71 never got into many slow speed and/or low altitude situations!