View Full Version : flight plan minimum ground time
judesman
05-18-2004, 09:51 PM
i am trying to compile a flightplan but i need to know what is the minimum ground time that is needed to compile a flightplan.
I have a schedule of an airline that has a ground time of 5 mins, can this be done by ai aircraft in a flfightplan or is it too short of a period
flyerBoy
05-19-2004, 06:38 AM
5 min. Quite short. What route/plane/airline is this in real life. I suggest a low altitude about 5000 or so.
flyinggriffin
05-19-2004, 07:55 AM
Are you talking taxi time? From gate to takeoff?
FatTulip
05-19-2004, 09:11 AM
Typically, at a push, you'd expect to turn around an 85% full A320 around in half an hour minimum at one of your run-of-the-mill holiday island destinations!
sandokan
05-19-2004, 09:14 AM
hi,
I think you are referring to the procedure, in use in some very busy airport,like Kennedy or O'Hare,by means of you have to advice the Ground that in five minutes you'll be ready to start pushback&taxi.
To compile the flight plan is needed only the scheduled departure time,but in such very busy airports,there is broadcasted by ATIS the expected taxi time always calculated by ATC.You can easy consider that the Ground time in 5 minutes is an useful information to calculate the traffic paths on the taxiways and the expected taxi time.
Sandokan
tgibson
05-19-2004, 01:49 PM
Hi,
I created several fast turnaround schedules, and they generally work OK if you use the @ symbol to specify a fixed arrival time. The success will vary between airports and whether the airport is busy or not. And a go around will throw the schedule off quite badly.
Hope this helps,
bill2759
05-19-2004, 06:54 PM
Looking at the aircrafts airspeed and probable taxi times, Throw it all out the window, because Air Traffic control will give the zaniest routings that will add many minutes to your flight plan. Give youself at least 45 minutes between arrival and departure. I have a DC3 flying between Opalocka and Fort Lauderdale. It shouldn't take more than 20 minutes gate to gate. ATC takes it almost to Bimini or Naples before heading for the destination.
AC103010
05-21-2004, 04:23 AM
Worth Mentioning, and I apologise if I'm teaching you to ##### eggs, but:
Lee Swordy says, in his ttools instructions, that the arrival time is the time the aircraft arrives "in the vicinity of the airport" not landing or parking. So take the approach into account as well.
Also, the departure time is "off blocks" and taxiing can be a long time at some airports such as Charles De Gaulle.
Regards,
Allan
tgibson
05-21-2004, 01:03 PM
Hi,
This is true if you don't use the @ symbol. If you do use it, Lee subtracts 15 minutes from the time it arrives in the vicinity, to allow it to land at the airport and taxi to the gate. But 15 minutes is just an average value Lee found was reasonable at most airports.
Hope this helps,
AC103010
05-21-2004, 02:36 PM
I didn't know that, Tom. That's useful for some very tight schedules I've been programming in for a local airline with only a 10 min turnaround (in real life)
regards,
Allan
AC103010
05-21-2004, 02:37 PM
And since when do we censor the word S and U and C and K ?
Allan
judesman
05-22-2004, 12:58 PM
here is an example of the schedule i am trying to create, note the short turn around time and flying time
also the aircraft is a twin otter (Dash 6)
ROUTES
DEPART
ARRIVE
FLIGHT
FREQUENCY
Barbados to Union Island
0800
0855
606
DAILY
Union Island to Carriacou
0945
0955
607
DAILY
Carriacou to Canouan
1005
1015
607
DAILY
Canouan to Bequia
1025
1035
607
DAILY
Bequia to Mustique
1045
1055
607
DAILY
Mustique to Barbados
1105
1150
607
DAILY
Barbados to Union Island
1215
1310
608
DAILY
Union Island to Carriacou
1320
1330
609
DAILY
Carriacou to Canouan
1340
1350
609
DAILY
Canouan to Bequia
1400
1410
609
DAILY
Bequia to Mustique
1420
1430
609
DAILY
Mustique to Barbados
1440
1530
609
DAILY
Barbados to Mustique
1600
1640
610
DAILY
Mustique to Bequia
1645
1655
611
DAILY
Bequia to Canouan
1700
1710
611
DAILY
Canouan to Carriacou
1715
1725
611
DAILY
Carriacou to Union Island
1730
1740
611
DAILY
Union Island to Barbados
1745
1830
611
DAILY
sorry for the copy format though
JSkorna
05-22-2004, 05:20 PM
"And since when do we censor the word S and U and C and K ?"
Ever since this is a forum where young people visit.
Hope this helps,
Jim
ActiveSky Support
http://www.hifisim.com/images/as2004proudsupporter.jpg
AC103010
05-22-2004, 06:04 PM
Jim, I'm 58 years old and part of "the old school". I still hold doors open for ladies and refuse to swear in front of them. So you can see where I'm coming from - I believe in the old values as most others do on this forum - but s_u_c_k ? That's taking things a little too far, don't you think?
Allan
JSkorna
05-22-2004, 08:06 PM
Not if you teach 14 and 15 year olds every day and attempt to clean up thier choice of words every hour of every day!
Hope this helps,
Jim
ActiveSky Support
http://www.hifisim.com/images/as2004proudsupporter.jpg
AC103010
05-23-2004, 04:13 AM
Jim, we're getting off the thread, pretty much, here and we're in danger of having our knuckles rapped for that.
I respect your views and bow to your experiences, although it's unlikely to change my views.
Take care and happy flying.
Allan
judesman
05-24-2004, 09:21 AM
bump
can someone please give me any valuable information if it is possible to program an airline flightplan with a 5 - 10 mins turn around time, the airline uses a twin otter, some flying times are as short as 10 mins too.
AC103010
05-24-2004, 09:44 AM
First of all see post number 8. I learned something from that.
If I were you I'd be inclined write a flight plan with times as follows
Departure airport 1 say 10:00
Arrival airport 2 say @10:10
Departure again airport 2 say 10:20
If you force an arrival time by including the "@" then ttools will calculate the flying speed required. It won't be the same as the normal aircraft cruise speed but you're unlikely to know anyway. In fact the only reason it calculates the speed, as far as I can tell, is so that it knows if it's in your vicinity when you're flying. So don't be surprised if you're passed by a cessna when you're doing Mach 2 (he he).
I don't know how ttools will handle the fact that the arrival time of @10:00 superseeds the normal allowance but my guess is that it will be ok. After all, there isn't ACTUALLY an aircraft flying between the two points so it might display the arrival at the correct time even though it would appear to have landed before it took off from the previous airport. See what I mean? What I'm saying is if you could see both airports at the same time you'd see two aircraft, one at each airport. I think I'm makin g a pig's ear out of this but I hope you get my drift.
Doing it this way seemed to work for me with Air Wales (I posted these flight plans some time ago) although I have to admit I was only looking out for the aircraft in paswsing.
The only problem you might have is that there might be a queue for departure but even then if what I said above works then this shouldn't matter anyway.
Give it a try, can't do much harm.
Allan
judesman
05-25-2004, 02:16 PM
bumping this as the topic was diverted from
please help here
DAGORED
05-25-2004, 05:02 PM
Howard Johnson is RIGHT !!!
AC103010
05-25-2004, 08:11 PM
I thought I tried to answer this in Post Number 17. Or was I wrong?
Allan
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