PPRuNe Forums - View Single Post - Boeing Engine fire QRH /NNC delaying second extinguisher for > two minutes
Old 6th April 2026 | 10:22
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FullWings
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Joined: Dec 2003
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From: Tring, UK
Originally Posted by reamer
No I'm not, I'm firing the second bottle as i turn downwind for a short approach.
That’s interesting - are you saying that you intend to start a low-level circuit shortly after shutting down an engine? Is that what you do in a LPC/OPC?

During a P1(US) sector the other day, the subject of an expedited return came up during briefing. The intent was expressed to do a quick visual circuit or a teardrop back onto the takeoff runway. As is my habit, I asked the suggester about exactly how we were going to do this and had they ever practiced any of those scenarios, seeing as we were at MTOW which was nearly 100T above MLW? At what point were we going to deliberately depart from the calculated performance profile? Given that minimum clean speed was in the order of 280kts TAS and until we got there we were likely to have bank angle restrictions at times, just what was this pattern going to look like? Also, with gear and landing flap, would we be able to maintain level flight? What were the chances of successfully doing this at night, how would we monitor this, etc.

We agreed that on this day, a more optimal approach would be to follow the standard SE profile until terrain clearance was assured and then with the assistance of ATC set up for a long final for an ILS onto the longest runway. There may be times when it could be necessary to attempt to use novel ideas to cope with unforeseen problems but when you have a standard solution available to you that you know will work...
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