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gauravprakash007 · Member Joined: 23 Mar 2007 Posts: 37 Location: VABB

Flight TK 459 from ADA-IST - Captain's leg for flight.

The weather at ADA was CAVOK we were using runway 5 for departure and we got to rolling, all systems normal and take off thrust set itself just fine on autothrottle....

then after my V1 call and rotate we took to the air and everything was good too, then the drama starts...

at 400 AGL we are required to select a ROLL mode, i selected Heading for the captain, as we were cleared on runway heading, however it didn't engage, the mcp didn't light up or the FMA or the F/D bars...nothing....so i tried putting on LNAV, same thing.....we continued manual...then at 1000 i tried to engage the A autopilot...that did nothing...B, that did nothing...then at 1500 I tried to reduce to climb power by pressing the N1 button...nothing, tried changing the MCP speed, didn't budge....at this point departure cleared us to MUT vor after 3000, so the captain was flying full manual turning the a/c while the F/D were telling him to continue his heading, started getting confusing....

then passing 7600 feet while climbing to level 260, we asked the Chief F/A to do a cell phone check in the back...she came back with no results....we were slightly shocked....then we were able to put in autopilot A but when it engaged, the VNAV AND LNAV came on all by them selves and the plane dove downwards a little, and then autopilot kicked off.....she started going insane, level change came on by itself, and it pulled the speed back to 171 knots with the flaps up while we were doing 284 so she started climbing at 4500 feet per min, im sure people noticed at the back that something was kinda wrong....i didn't enjoy it....then both EADI flight directors disappeared completely, and the FMA locked on VNAV and LNAV, and the aircraft was telling us to turn in a completely useless direction, the captain kept her in manual, now passing 22,000 feet we were utterly confused, the checklist had nothing, we couldnt use our FMS LNAV and the aircraft was being crazy, then several seconds later i was cross checking the 3 airspeed indicators like MAD because i had no idea which FCC was engaged versus which was we selected and what the damn plane would command us to do....i tried autopilot A again (to reduce the workload so we could problem solve together) it engaged! however, 10 seconds later it kicked off...because...and im glad this didn't happen in IMC...the Captain's EADI flight director was asking for a 20 degree nose dive, and my EADI F/D was commanding a 20 degree nose UP attitude....we just looked at each other....., the altitude warning horn went off at random intervals...and the stress level was a lil higher than usual because we know VERY well flying the -400 that someone's friggin cell phone is on back there, that's the ONLY thing in almost 10 years of TK history that messes up the MCP panel, coming from experienced captains...

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Nimish

stealthpilot · Member Joined: 19 Dec 2006 Posts: 2325 Location: BLR, DXB

Were cell phones officially deemed to be the cause of this??
Can you provide a link?
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eP007

HAWK21M · Posted: Sun Mar 25, 2007 5:38 pm Post subject:

Wheres the link.

regds
MEL
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