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displaced thresholds??


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runway info

 

;prim runway

[RUNWAY 33/15]

;needs to be set yet

displaced threshold=230/245

;default turn off direction

turnoff=right

;start rwy 33 - junction taxiway E

52.446417 -1.739746

;junction taxiway C

52.4494444444444 -1.74305555555556

;junction taxiway F

52.4497222222222 -1.74361111111111

;junction taxiway G

52.4522222222222 -1.74638888888889

;Centre point of runway / 2 runways cross

52.4538888888889 -1.74805555555556

;junction taxiway K

52.4569444444444 -1.75138888888889

;junction taxiway B

52.4613888888889 -1.75638888888889

;junction taxiway A

52.4655555555556 -1.76083333333333

;end runway 33 / start rwy 15

52.4655555555556 -1.76111111111111

 

heres an exaple of my displaced threshold now to paint the picture above and the taxiway A at the end of the post

 

taxiway A joins the runway at 90 degrees to the tarmac but theres a displaced threshold of 245 feet before the runway starts

 

now in the file i have taxiway A finish in the centre (width wise) of the runway at the joining point to runway 15 and runway 15 start at the same point

 

now i can taxi my planes on to the runway and use the cto and away they go but using the pos command they just sit saying already there. Should they not taxi forward by the displaced ammount on the runway so there sat ready at the displaced threshold? or have i got the wrong end of the stick here with the file?

 

as always looking forward to your advice

 

 

taxiway A info

 

[TAXIWAY A]

;junction to rwy24 to A

52.454721 -1.74567

;junction to taxiway B

52.4622222222222 -1.75416666666667

;junction to taxiway AL south end

52.465 -1.75722222222222

;junction to taxiway AL north end

52.4663888888889 -1.75888888888889

;junction to runway 15/33

52.4655555555556 -1.761026

 

 

 

yours

 

Darren Fletcher

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I'm not entirely sure I understand your question, but I can tell you that displaced thresholds have nothing to do with takeoffs or positioning. Aircraft are allowed to use the displaced threshold area for the takeoff roll. Displaced thresholds only affect the point at which aircraft touch down when landing.

Developer: vPilot, VRC, vSTARS, vERAM, VAT-Spy

Senior Controller, Boston Virtual ARTCC

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