Idea to overcome common FS bug

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dgor
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Idea to overcome common FS bug

Post by dgor » Tue Aug 29, 2006 7:56 pm

Hi,

Today the client penalised me for having my landing lights off under 1000ft whilst I was taxiing. When I told Justin about this, he explained that the penalisation was because of a common FS bug which had made a 'hole' at LIRF so my plane momentarily 'jumped' into the air. The client then detected that I was off the ground and punished me for it.

I think that this could be resolved by only having the client penalise for LLs off below 1000ft when the aircraft is, say, above 50ft AGL. That would mean no more 'bumpy' taxiways causing problems.

What do you think?


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Dave.
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Post by joefremont » Tue Aug 29, 2006 8:27 pm

An excellent Idea, I think its been suggested before.

http://flynet.en-studios.de/forum/viewtopic.php?t=1124
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Post by Konny » Tue Aug 29, 2006 8:27 pm

k, I'll change that in the next release, together with another landing lights problem Quantum told me about:
The upper-limit where you have to turn off your landing lights is FL100 and they have to be on atleast until 1000ft AGL, but there are airports in the world where the runway already is at 9200ft ( e.g. Quito ). You wouldn't have chance not to get a penalty there and so I'll add a new rule where the landing lights can be on at least until 5000ft AGL.
Last edited by Konny on Tue Aug 29, 2006 8:37 pm, edited 1 time in total.
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Post by dgor » Tue Aug 29, 2006 8:35 pm

Thanks Konny :D
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joefremont
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Post by joefremont » Tue Aug 29, 2006 8:36 pm

An excellent plan Konny, it will also make it clearer what to do when flying over high mountains in unpressurised aircraft.
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Post by IslandBum » Tue Aug 29, 2006 8:54 pm

I hate to play devils advocate here

But IRL landing lights are switched on AFTER an aircraft has been cleared for takeoff and lined up witht eh active runway
also there is another little problem that has more to do with realism than flynets program - here is the states the practice is when you are taxiing paralell to the active runway taxi lights are shut off so as not to distract landing aircraft - at McCarran
as with many airports with pararell active runways the distance centerline to centerline is less than a 1000 feet so it is common courtesy to switch them off - Konny heres a thought for you - can you build a trigger for the landing lights that works based on throttle position ( ie if pwer is advanced above say 30% AND the aircraft is in takeoff configuration - then have it look for change in altitude of say 150 feet AGL?) I realise it makes it alot more complicated to program but it would make it a fairer method - the reverse could also be done by a reduction in power coupled aith a postivie rate of descent of more than say 1000fpm below 10000agl (or 5000 agl) which ever you wish :)



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Post by Konny » Tue Aug 29, 2006 9:21 pm

Hm, guess I don't really get the point of monitoring the throttle position. On the ground you can switch the landing lights on and off as you wish. And the taxi lights currently aren't monitored at all.
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Quantum
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Post by Quantum » Tue Aug 29, 2006 11:13 pm

Hi Konny,

Just been searching the net to see if there are any hard and fast reg's regarding use of landing lights and from what I've found so far it is a 'company' thing. On the pprune forum one pilot commented that they were turned off passing FL100 with one company he flew with, but a previous company he was with kept them on all the way up to cruise altitude. Depending if anyone comes up with a specific worldwide reg, it may be easier to just increase the upper limit that you have to switch your lights off by - FL150? That would save calcs AGL vs AMSL at the high airports particularly if the terrain is rugged.

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Post by CAPFlyer » Tue Aug 29, 2006 11:22 pm

Or disable the upper altitude altogether and only require them to be on within 1000' AGL and give like a 10 or 20 second grace period on it to allow for peaks that come within 1000' AGL of the aircraft for a split second.

Instead of the ceiling for activation, what about requiring them to be turned off within 5 minutes of reaching cruise and altitude above 10,000 feet MSL or be penalized? That way, there is still a penalty, but it gives people time to turn them off whenever a VA decides is "acceptable. The only reason I put the 10,000 MSL in there on the new restriction is because on older and smaller airplanes that cruise below 10,000 feet, it's ofter reccomended that the landing lights be turned on when in or near congested airspace for visibility, thus it's possible for those lower altitude aircraft to turn on their lights in cruise.

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Post by Ionathan » Wed Aug 30, 2006 1:25 pm

If a time frame is to be used like 5 minutes the simrate has to be taken into consideration.
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Post by Quantum » Wed Aug 30, 2006 3:54 pm

Hi Chris,

I don't like the either/or scenario with a time delay. For dual rated pilots that fly the heavies and the tiddlers that's two 'rules'. I would suggest either raising the upper limit or scrap it altogether. If it were to be raised, in hindsight I'd suggest FL200 rather that FL150. At FL150 some of the older turboprops could be in different situations above/below that level depending on direction of flight. If FL200 was chosen then they'd be below that most of the time. I wouldn't like to see it scrapped altogether as otherwise everyone just leaves the lights on all the time and there'd be no point with the 'rule' anyway.

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Post by CAPFlyer » Wed Aug 30, 2006 7:43 pm

Quantum wrote:Hi Chris,

I don't like the either/or scenario with a time delay. For dual rated pilots that fly the heavies and the tiddlers that's two 'rules'.
John, I never proposed 2 rules to exist at the same time. My rule was that above 10,000 in level flight for more than 2 minutes (or however long) the landing lights have to be turned off. The 10,000 could be changed, but I would say that it require an establishment of a grace period to occur to ensure first that it's not a momentary pause before getting cleared higher and that if it's either a longer level-off for further climb or the final altitude, the pilot has a few minutes to get himself set before having to have the lights off. The other option was just abolish the rule, which I don't support.

Below 10,000 feet, the rule would be the same as always - based off of AGL (whatever the base altitude may be) and nothing more.

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Post by joefremont » Thu Nov 02, 2006 8:23 pm

Konny wrote:k, I'll change that in the next release, together with another landing lights problem Quantum told me about:
The upper-limit where you have to turn off your landing lights is FL100 and they have to be on atleast until 1000ft AGL, but there are airports in the world where the runway already is at 9200ft ( e.g. Quito ). You wouldn't have chance not to get a penalty there and so I'll add a new rule where the landing lights can be on at least until 5000ft AGL.
Just wondering, did this idea get implemented into v6.0?
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Post by Konny » Thu Nov 02, 2006 10:30 pm

No, it is not yet implemented.
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