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767 Overhead Panel / Combination Lock?

Bjg747 From United States of America, joined Jan 2006, 3 posts, RR: 0
Posted (5 years 5 months 3 weeks 2 days ago) and read 5346 times:

I was browsing through the galleries and found this picture of a 767-300 with what looks like the dial of a combination lock on the overhead panel below the pneumatic controls... http://www.airliners.net/open.file/1041301/L/ What is that dial? I have never seen one before!

John

19 replies: All unread, jump to last

777WT From United States of America, joined Jan 2005, 869 posts, RR: 1
Reply 1, posted (5 years 5 months 3 weeks 2 days ago) and read 5345 times:

I've been told that's a timer dail.

TEBguy From United States of America, joined Feb 2005, 255 posts, RR: 2
Reply 2, posted (5 years 5 months 3 weeks 2 days ago) and read 5337 times:

No idea... i did a database search for 767-300 overhead panels and didn't see that knob. Could it be a timer like device for rain repellent or something?

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Photo © Tchavdar Kostov

[Edited 2006-08-24 03:21:13]

Remember, taking off is optional, landing is mandatory.

Joffie From Australia, joined Mar 2006, 732 posts, RR: 2
Reply 3, posted (5 years 5 months 3 weeks 2 days ago) and read 5331 times:

Only some airlines have that 'Combination Lock'. I think it is customer specific

Quoting 777WT (Reply 1):
I've been told that's a timer dail.

I have heard the same thing also.

TEBguy From United States of America, joined Feb 2005, 255 posts, RR: 2
Reply 4, posted (5 years 5 months 3 weeks 2 days ago) and read 5328 times:

So, is it just a timer, or what?

Remember, taking off is optional, landing is mandatory.

Gt1 From United States of America, joined Feb 2001, 132 posts, RR: 0
Reply 5, posted (5 years 5 months 3 weeks 1 day 22 hours ago) and read 5299 times:

Yes, it's a timer. It can be used for a variaty of purposes. Ground Engineers use it for engine start timing normally.

How do I know? I taught an engine run class in a KLM 763ER Full Flight Sim, and I wondered the same thing. KLM is the only airline I've ever seen with it. Could it be that typical Dutch thouroughness?

HAWK21M From India, joined Jan 2001, 29818 posts, RR: 61
Reply 6, posted (5 years 5 months 3 weeks 1 day 14 hours ago) and read 5232 times:

Quoting Gt1 (Reply 5):
Yes, it's a timer

Is it like those Mechanical reverse direction ticking ones.Any varied view pics of this unit.
regds
MEL

Think of the brighter side!

2enginesonly From Netherlands, joined Jun 2005, 91 posts, RR: 0
Reply 7, posted (5 years 5 months 3 weeks 1 day 14 hours ago) and read 5228 times:

Quoting Gt1 (Reply 5):
How do I know? I taught an engine run class in a KLM 763ER Full Flight Sim, and I wondered the same thing. KLM is the only airline I've ever seen with it. Could it be that typical Dutch thouroughness?

Maybe it's Dutch....we've got it in our a/c as well ( Martinair ).
It's just a simple kitchen timer and it's used for eeeeehh, naps, turbulence ( 'let's put the seatbelt sign off in 15 minutes' ) and other simple things.
We use the standard stopwatch for engine start timing because that's closer to the controls ( most times control column ) so we can keep an eye on the instruments.

Arjan

Tristarsteve From Sweden, joined Nov 2005, 3400 posts, RR: 36
Reply 8, posted (5 years 5 months 3 weeks 1 day 12 hours ago) and read 5199 times:

Quoting 2enginesonly (Reply 7):
It's just a simple kitchen timer

The BA B737-200 had one as well. Mounted in front of the throttles.
Very useful device, much easier to use than the stopwatch, and it rings when it is time.

TEBguy From United States of America, joined Feb 2005, 255 posts, RR: 2
Reply 9, posted (5 years 5 months 3 weeks 1 day 4 hours ago) and read 5100 times:

Quoting 2enginesonly (Reply 7):
It's just a simple kitchen timer...

No, im sure it's an FAA approved, very expensive kitchen timer.

Remember, taking off is optional, landing is mandatory.

2enginesonly From Netherlands, joined Jun 2005, 91 posts, RR: 0
Reply 10, posted (5 years 5 months 3 weeks 1 day 3 hours ago) and read 5093 times:

Quoting TEBguy (Reply 9):
No, im sure it's an FAA approved, very expensive kitchen timer

Youre absolutely right...I forgot Expensive Smile

By the way....on our B763's it's installed on p61.

Arjan

KELPkid From United States of America, joined Nov 2005, 5515 posts, RR: 5
Reply 11, posted (5 years 5 months 3 weeks 1 day 2 hours ago) and read 5067 times:

What do you guys use for timing non-precision instrument approaches without DME?

Celebrating the birth of KELPkidJR on August 5, 2009 :-)

HAWK21M From India, joined Jan 2001, 29818 posts, RR: 61
Reply 12, posted (5 years 5 months 3 weeks 23 hours ago) and read 5030 times:

Quoting 2enginesonly (Reply 10):
By the way....on our B763's it's installed on p61

Would it be Audible at the Back.
regds
MEL

Think of the brighter side!

2enginesonly From Netherlands, joined Jun 2005, 91 posts, RR: 0
Reply 13, posted (5 years 5 months 3 weeks 16 hours ago) and read 4994 times:

Quoting HAWK21M (Reply 12):
Would it be Audible at the Back.
regds
MEL

I guess so Mel....it's placed right behind the F/O and we never heard any complaints.
They're however not as loud as my €2 kitchentimer back home Smile

Arjan

HAWK21M From India, joined Jan 2001, 29818 posts, RR: 61
Reply 14, posted (5 years 5 months 2 weeks 6 days 18 hours ago) and read 4883 times:

Quoting 2enginesonly (Reply 13):
I guess so Mel....it's placed right behind the F/O and we never heard any complaints

Do these Items have a P/N.Presumingly it has to fit the cutout accurately.
regds
MEL

Think of the brighter side!

2enginesonly From Netherlands, joined Jun 2005, 91 posts, RR: 0
Reply 15, posted (5 years 5 months 2 weeks 16 hours ago) and read 4680 times:

Quoting HAWK21M (Reply 14):
Do these Items have a P/N.Presumingly it has to fit the cutout accurately.
regds
MEL

Mel,

I noted the p/n last night but ofcourse I left it at AMS.....duh!!
Next Monday I will take it back home ( my little piece of paper that is Smile

) and let you know what the p/n is.
On the p61 panel it's just a piece of aluminium fastened by means of quickfasteners ( just like the radio controls on the pedestal ) and the timer is simply bolted on that alu-panel.

Arjan

Jetlagged From United Kingdom, joined Jan 2005, 2327 posts, RR: 15
Reply 16, posted (5 years 5 months 2 weeks 1 hour ago) and read 4589 times:

The "eggtimers" wouldn't be much use for timing engine starts. An important use is for timing fuel crossfeed. After the required number of minutes of crossfeed the bell goes off, waking up the F/O and reminding him to shut the crossfeed valve. The typical aircraft chronometer doesn't have an audible alarm function.

If you forget to close the crossfeed you could end up in an Air Transat A330 type situation.

The eggtimers may be crude, but they are mechanical so need no power to operate.

I do like the idea of a combination lock on the flightdeck though. Got to be easier than padlocking the plane to a lamp-post Smile

The glass isn't half empty, or half full, it's twice as big as it needs to be.

HAWK21M From India, joined Jan 2001, 29818 posts, RR: 61
Reply 17, posted (5 years 5 months 1 week 6 days 12 hours ago) and read 4516 times:

Quoting 2enginesonly (Reply 15):
On the p61 panel it's just a piece of aluminium fastened by means of quickfasteners ( just like the radio controls on the pedestal ) and the timer is simply bolted on that alu-panel.

Looking fwd to the P/n thanks.

Quoting Jetlagged (Reply 16):
The eggtimers may be crude, but they are mechanical so need no power to operate.

Thats the best part I feel.

regds
MEL

Think of the brighter side!

TEBguy From United States of America, joined Feb 2005, 255 posts, RR: 2
Reply 18, posted (5 years 5 months 3 days 22 hours ago) and read 4259 times:

Quoting Jetlagged (Reply 16):
I do like the idea of a combination lock on the flightdeck though. Got to be easier than padlocking the plane to a lamp-post

Really, tho, that'd be no good. You would come back to find that the tires and seats had been removed and the aircraft resting on really big bricks. (im basing this on what happens to my bike when i chain it up on campus)

Remember, taking off is optional, landing is mandatory.

Litz From United States of America, joined Dec 2003, 1678 posts, RR: 0
Reply 19, posted (5 years 5 months 3 days 9 hours ago) and read 4196 times:

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Quoting TEBguy (Reply 9):
No, im sure it's an FAA approved, very expensive kitchen timer.

Ahh, of course ... the old steadfast rule : add the words "FAA" and "Certification" to any item, and you automatically move the decimal point three slots to the right and insert a comma.

Smile

- litz

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