The A320 Podcast
About This Show
Its our aim to make studying for your recurrent sims or command upgrades as easy as possible.
Sometimes its not that easy to make time at home to study, and lets face it, who wants to spend precious days off reading about work.
With the A320 Podcast you can learn and revise in the car, at the gym or out on the run. Now you can use the wasted time on your commute to make sure you ace your next sim, and the best part is - its completely free! The only thing we ask is for you to tell all your friends and colleagues and then leave us a 5 star iTunes review which will increase our ranking and get as many people listening as possible.
Most Recent Episode
Flight Control Laws
5 days ago
Flight Control Laws The flight control law is basically the relationship between the pilot's input on the side stick and the resulting aircraft or flight control surface response. There are 3 flight control laws Normal Law, Alternate Law and Direct Law As a general rule, normal law deals with single failures of a system and alternate law deals with double failures. Within Normal Law we have three sub categories, Ground Mode Flight Mode Flare Mode Ground Mode was designed to make the aircraft behave more naturally when rotating at liftoff. The relationship between the side stick and the aircrafts response is much more like a conventional aircraft. For pitch control - there is a direct relationship between Side stick deflection and elevator deflection. Once the aircraft reaches 75kts the maximum elevator deflection is reduced from 30 degrees to 20 degrees. If we haven't manually set a trim position using the trim wheel then the THS or trimmable horizontal stabiliser will automatically set to 0. For lateral control - The side stick demands aileron and spoiler deflection as opposed to a roll rate but its not a direct relationship, the amount of deflection is dependant on the aircraft speed. As a extra bit of information for you, only spoilers 2 to 5 and the ailerons are used for roll. The rudders being a mechanical linkage aren't affected so you just have to remember that they become more sensitive the faster you go. There are no protections at all when in ground law. Flight Mode The aircraft will then start to blend smoothly from ground mode into flight law once the pitch attitude reaches 8 degrees. In roll this takes half a second and for pitch it takes five seconds. There's a good graphic in the FCOM with this information on. Its in Descriptions - Flight Controls - Flight control System - Normal Law - General once the aircraft has been airborne for more than 5 seconds we are then in flight mode. Thi
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