Originally Posted by
Thomas coupling
Yes you're right - it comes across like that - apologies.
I'm thinking, go for speed first not Nr. If you are already below your optimim speed for an auto already, bleeding Nr might not be the way round it. Accelerate and gain speed while maintaining Nr, I would suggest before tweaking Nr.
But at the height he was in, speed increase was not an option, so why bleed Nr off?
How's he going to get it back?
Normal auto for the B2/B3 is at Vy=65kts and NR in the green arc 320-430.
Extended glide procedure: NR in the green (after establishing AUTO), set airspeed to 90 to 100kts(max) first and slowly pull NR down to 320. This will make your glide considerably longer than just to auto at higher speed, and normal NR. Once you are sure you will reach your spot, but at no lower than 500AGL, reduce collective, AFT cyclic to regain 65kts airspeed and NR mid to top of the green and continue normal auto.