PPRuNe Forums - View Single Post - Missed approach procedure is baesd on what performance?
Old 1st Mar 2015, 07:23
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despegue
 
Join Date: Oct 2002
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A very serious word of caution here, and one I do hope we all are aware of:

NEVER EVER just assume your EO escape menoeuvre is also valid when going around.
An EO escape manoeuvre for departures are calculated for an engine failure at V1, and based on performance from that point onwards and on the ground.

If you go-around from an approach, your initial point of N-1 is located in a very different location, rendering the procedure completely incorrect.

An example.

EO escape route says: " climb to 1800 ft. agl. Then, turn right inbound ROS VOR"

if following this procedure from the approach phase, and from already an airborne altitude, your turn will obviously MUCH earlier, taking you potentially into terrain or other conflict zones that the procedure is specifially avoiding.
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