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Missed Approach 2.5%  
User currently offlinesmartt1982 From United Kingdom, joined Nov 2007, 225 posts, RR: 0
Posted (3 years 11 months 2 days 11 hours ago) and read 10675 times:

My understanding is that in Europe (OPS1) the Missed Approach climb gradient is 2.5% unless otherwise stated that it is higher. On this occasion we have higher MACG in our performance manual that we can check to see if we can accomplish these with our landing weight.

If 2.5% is normal why is it that we have a page for Go-around climb gradient (also called approach Climb Gradient) of 2.1%. It says for One engine out but so do all the other pages for both the 2.5% and the higher MACGs which of course is the important one as the aircraft has no problems on two engines.

Does anyone know the story behind this Go-around climb gradient (also called approach Climb Gradient) of 2.1%

3 replies: All unread, jump to last
 
User currently offline411A From United States of America, joined Nov 2001, 1826 posts, RR: 8
Reply 1, posted (3 years 11 months 2 days 9 hours ago) and read 10642 times:

2.1% is the net flight path gradient required, whereas 2.5% is the gross requirement.

User currently offlinesmartt1982 From United Kingdom, joined Nov 2007, 225 posts, RR: 0
Reply 2, posted (3 years 11 months 2 days 9 hours ago) and read 10633 times:

Quoting 411A (Reply 1):
2.1% is the net flight path gradient required, whereas 2.5% is the gross requirement

Sorry just me being really simple, but how does the difference work?


User currently offline26point2 From United States of America, joined Mar 2010, 825 posts, RR: 0
Reply 3, posted (3 years 11 months 2 days 9 hours ago) and read 10629 times:

Approach Climb gradient is calculated with one engine out in the approach configuration: gear down, approach flaps. FAR's require a minimum gradient of:

2.1% for 2 engine aircraft
2.4% for 3 engine aircraft
2.7% for 4 engine aircraft.

Perhaps 2.5% is a JAR OPS thing? I don't know about JAR OPS.

Landing Climb gradient is calculated in the landing configuration: all engines, gear down, full flaps.

3.2% minimum climb gradient.

FARs require following the most restrictive.


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