A320/321 Go Around Gradient

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My company publishes tables of missed approach climb gradients in our performance manual. Each manual is specific to a type/engine combination, i.e. A320/V2500 or A321/CFM. It includes data for both the 'all engines' and 'one engine inop' scenarios.

The 'all engines' case assumes that you are in config full or config 3 and have the gear down.

The 'one engine inop' case assumes that you are in config 3 or config 2 and have the gear up.

For example:

'All engines'
An A320/CFM at 77000kg, temp of 45C, in config full with the gear down will still be able to achieve a gradient of over 12%

'One engine inop'
An A320/CFM at 77000kg, temp of 45C, in config 3 with the gear up will only be able to achieve a gradient of around 2.8%

A more typical situation in would be:
'One engine inop'
An A320/CFM at 60000kg, temp of 30C, in config 3 with the gear up will climb at a gradient of about 6%.


Remember that the above figures were calculated specifically for our fleet, your results may vary.