Originally Posted by
Australopithecus
Is the pitot or “probe” heat on a 767 auto or manually selected? Does faulty probe heat trigger a caution? Just wondering if a blocked pitot on descent yielded an alarmingly low airspeed indication prompting an overreaction with thrust and attitude?
Probe heat is automatic on the 767 (all heated probes). Any probe heat failure generates an EICAS message.