PPRuNe Forums - View Single Post - SRS mode during windshear

26th Feb 2013, 13:54

#36 (permalink)

rudderrudderrat

Join Date: Oct 2009

Location: UK

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Hi Flappo,

FCOM 22-30 Auto Flight Flight Guidance, 80 Common modes, 20 Take Off, SRS
"The SRS guidance law also includes:-
Attitude protection to reduce aircraft nose-up effect during takeoff (18 ° or 22.5 ° maximum in case of windshear)
Flight path angle protection that ensures a minimum vertical speed of 120 ft/min
A speed protection limiting the target speed to V2+15 kt."

I've seen the SRS command a minimum vertical speed of 120 ft/min which caused a speed reduction well below V2.

Hi vilas,

Quote:

nothing is suggested how to get SRS back.

Reduce to MCT gate and re-select TOGA. Provided you have Flaps 1 or more, you'll get SRS.

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