Hi guys,Sorry if this has been posted already, but I wasn't able to find it. And I don't have access to my NGX at the moment and won't be for a while.As I recall from somewhere, someone/literature said not to leave the master caution (let say) on for too long, as the bulb can burn out quite easily. If this is true, has the NGX modeled this?Cheers,

I would doubt it. Incidentally I did read somewhere in that in the RW NGX that the overhead panel operates on a dark state under normal conditions, except for the window heat lights which burn continuously throughout the flight and hence burn out more often than anything else.Graeme

I also recall this, from the training of OAO?Bert Van Bulck

I also recall this, from the training of OAO?Bert Van Bulck

Might have been, you mean AOA?

In hangar sometimes the MC light remains lighted for some hours.Bulbs will burn out as same for other lights in the cabin.It is that the reason for a light test switch in the cockpit.I must also tell you that not all anti ice panels have the ON lights for the windows.There are configurations (options) where there is an amber OFF light istead of the green ON, this to better have a "dark cockpit" and remember to the crew to activate the windows heat.

Thanks for the reply all. Guess I took it a little too literal about how easy it was to break. But still coming back to my question, are "lights/bulbs" on the NGX modeled to fail due to let say, burning out?

Edited January 24, 201214 yr by Brenchen

One could set certain parameters to "burn out" a bulb but you would have to do it for each and every bulb. And of course have a way of replacing them! A minor sim detail not worth the hassle!vololiberista

There is a spare bulb set in the cockpit, it is used to replace the most common bulbs like GE387, GE1864 and 6839 (the ones used for most of the cockpit indication lights).In the sim it could be an hard programmer work, not for the complexity of the task, but because it involves all lights.

OK thanks for the replies.

I don't know if this is the case in the NG, but on many aircraft, the switch capsule for critical system lights like the master caution/warning, landing gear down & locked etc. contain more than one bulb for redundancy.The master caution and warning switches on a Gulfstream IV for instance, each contain 4 lamps, so the chance of all four burning out at once is very remote.Newer aircraft use colored LEDs in their cockpit indicator lamps, which have an almost unlimited life span. In many cases, LED retrofit kits are available for older aircraft originally equipped with incandescent indicator lights, though the upgrade is quite expensive in most cases.

Edited January 24, 201214 yr by JRBarrett

Thanks for the reply all. Guess I took it a little too literal about how easy it was to break. But still coming back to my question, are "lights/bulbs" on the NGX modeled to fail due to let say, burning out?

Not modeled, Brenden. I'm not sure why there's so much tech talk when you want a simple answer! Though I appreciate the rivet counters in here.

Edited January 25, 201214 yr by ZachLW

Well said Zach.Ash Frew.

I don't know if this is the case in the NG, but on many aircraft, the switch capsule for critical system lights like the master caution/warning, landing gear down & locked etc. contain more than one bulb for redundancy.The master caution and warning switches on a Gulfstream IV for instance, each contain 4 lamps, so the chance of all four burning out at once is very remote.Newer aircraft use colored LEDs in their cockpit indicator lamps, which have an almost unlimited life span. In many cases, LED retrofit kits are available for older aircraft originally equipped with incandescent indicator lights, though the upgrade is quite expensive in most cases.

The NGs uses a single bulb for each MC and MW light (GE1864) while for the recall there are 2 for each (GE737 if I remember correctly). 2 bulbs are also for mosto of the indication lights. The reason for a single lamp in the master warn and caution lights should be that there are 2 of them in the cockpit, so 1 bulb each is sufficient for redundnancy

Haha indeed well said Zach. But still, how this turned out is quite an interesting discussion :) But I'm happy, I got the answer I wanted.If I recalled right, when I was working on the NG sims (real life), their Fire and Caution only had one tungsten bulb in them? I see how well it would be if it was fitted with LEDs though.

If you search the part numbers I wrote, you will see the drawings or pictures of the bulbs.LEDs are better, longer life, less power consuption, smallest wires, less heat... but, expensive for a plane that is still sharing parts of the old generation planes.