Goboeing From United States of America, joined Jun 2000, 2776 posts, RR: 14
Reply 1, posted (12 years 4 months 2 weeks 5 days 2 hours ago) and read 11463 times:
When held in, deactivates the other Sidestick and allows full singular control. Holding switch for more than 30 seconds latches the system, allowing the switch to be released without losing priority.
A deactivated stick can be reactivated at any time by momentarily pushing either priority switch.
If the priority switches on both sidesticks are pushed, the last one activated assumes priority.
Illuminates Glareshield SIDE STICK PRIORITY lights and activates "PRIORITY LEFT" or "PRIORITY RIGHT" audio voice message according to control configuration.
GotAirbus From Singapore, joined May 2001, 851 posts, RR: 1
Reply 2, posted (12 years 4 months 2 weeks 4 days 16 hours ago) and read 11307 times:
Ok, another related question but this time, on an Embraer ERJ 145. Please pay special attention to what I'm going to say (for fear that i might say things in a vague fashion)
This picture has 2 screens: On the left screen (the HSI screen, I presume?) there is a place on the top where the green words AP and YD are. What I wanted to know is, what does the green arrow (above the AP/YD words) represent?
To get the green arrow, a pilot has to push an autopilot button called the "CPL" button on the upper panel. Pilots of the ERJ145 already know what I'm talking about. If you do not, look at the picture:
Essentialpowr From United States of America, joined Sep 2000, 1820 posts, RR: 1
Reply 3, posted (12 years 4 months 2 weeks 3 days 1 hour ago) and read 11161 times:
Note on the ERJ the 3 vertical buttons "AP", "CPL" and "YD".
The only way to select the a/p is w/ that single "AP" button. The "CPL" button shows which side the a/p is coupled to, in this pic it's coupled to the CA's side, so the CA controls the a/p. This, in essence, means the a/p will direct the a/c according to what the CA selects, ie NAV or FMS...The "YD" yaw damper is engaged automatically whenever the AP is selected.
LMP737 From United States of America, joined May 2002, 4752 posts, RR: 22
Reply 4, posted (12 years 4 months 2 weeks 2 days 20 hours ago) and read 11118 times:
Around two years ago there was a story in Flight International about a Lufthansa A320 that had a "slight" problem with the captains sidestick. The captains sidestick had been replaced and the technicians performed an ops check of it. Unfortunately they did not take note of the direction of travel of the ailerons when they moved the sidestick. Upon takeoff there was a slight roll. Naturally the captain made a small correction. However the plane started to roll even more in that direction. Fortunately the FO realized what was going on and took over from the captain.
When the captains sidestick was inspected it was found to be miss-wired. The tech's did not notice on their ops check that the ailerons were moving the wrong way. Neither did the crew.
(Sorry, I don't have a link for the story. It's been a a while since the story came out. I remembered it because as an AMT you tend to remember something like that.)
Rick767 From United Kingdom, joined Jan 2000, 2662 posts, RR: 50
Reply 5, posted (12 years 4 months 2 weeks 2 days 20 hours ago) and read 11113 times:
"The tech's did not notice on their ops check that the ailerons were moving the wrong way. Neither did the crew."
In fact, if the Captain had followed the correct pre-takeoff flight controls check procedure, a warning message would have been presented. This only appears if the control stick is held in the fully deflected position for 2 seconds (as per SOPs, of course...). Therefore, not only did he mis-interpret the flight controls position on the ECAM whilst doing the check (relatively understandable) but he didn't hold it long enough for a warning to be generated.
This is what I heard from a BA Airbus Captain shortly after the incident. I actually have no experience myself on the Airbus. The wing came very close to the ground by all accounts, and if it had not been for the First Officer's quick thinking, it could all have ended in tears.
I used to love the smell of Jet-A in the morning...
Racko From Germany, joined Nov 2001, 4887 posts, RR: 19
Reply 7, posted (12 years 4 months 2 weeks 1 day 21 hours ago) and read 11020 times:
As far as I remember, the connectors where mixed in a way that both the ECAM and the sidestick where crosswired - so the ECAM showed the direction of the movement of the sidestick - the aileron however moved in the opposite direction. I think I had read back then that the connectors are different between the A319 or A321, and the A320 in question and the technican used the wrong wiring list.