With an engine stoppage, the pilot is unlikely to remember to switch on the vacuum pump.
Peter wrote:
With an engine stoppage, the pilot is unlikely to remember to switch on the vacuum pump.
Is that a statement of fact or a provocation?
Provocation?? I don’t do such posts.
It’s a statement of pilot workload.
A vacuum AI fails gradually, so you would need to notice the low vac warning light first.
Peter wrote:
you would need to notice the low vac warning light first.
Not, it the engine quits.
Yep thats it the T and S must be electric and good enough to keep the wings level if you are aware that is where your eyes need be. Depending on height how long does the AI take to wind down and how long would the glide have been?