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Noboru

Jet route

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Unable to use J routes in fmc?

Not enough information to help you, of course J routes can be used in building a route.

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Unable to use J routes in fmc?

 

You are able to use J airways.

 

Ensure that you're adding them to the left side of the RTE pages, and that the J airway is valid for whatever waypoint you have previously entered.

 

e.g.:

AML is valid for J149, as it's on J149.

CSN would not be valid for J149 and J149 does not ever cross it.

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I want to fly from kbos to kpvd via j55, then to hto via j55, I keep getting " invalid entry " why? I'm using high alt. ifr enroute charts H-11, 12.

 

Kbos

J55   KPVD

J55   HTO

 

Thanks for the help

 

Noboru

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I want to fly from kbos to kpvd via j55, then to hto via j55, I keep getting " invalid entry " why? I'm using high alt. ifr enroute charts H-11, 12.

 

Kbos

J55 KPVD

J55 HTO

 

Thanks for the help

 

Noboru

 

Your first waypoint needs to be PVD not KPVD. PVD is the identifier for Providence VOR, while KPVD is the Providence airport. Jet Airways go from VOR to VOR.

 

Your route should be KBOS PVD J55 HTO

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You can't enter an identical jetway on the next line.

 

So you would enter, say, J55 on the left, then PVD on the right.

 

Next line, don't enter J55, just enter HTO

 

Then once that is in there, now enter J55 on the left of the HTO line

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A couple things to wrap up here, as a summary of the other answers:

 

1. The plane won't take an airway without an entry point.  Some routes do start with airways, though, and these are valid.  In order to sidestep this, in most cases an airway is the first item listed in the flight plan, there's a VOR on the field.  It is listed this way, properly, to indicate to the controller that he or she will have to vector you onto the airway.  Almost more importantly, it is also listed like this for lost comms procedures so that the pilot and controller may assume that the pilot will join the airway instead of trying to turn around towards a busy airfield to pick up the plan at the VOR.

 

To get the plane to accept this type of plan:

RTE 1 Page:

KBOS ---------------- [Dest]

 

RTE 2 Page:

[Leave blank] ------ BOS (the VOR)

J55 ------------------- HTO (skip PVD, see below for why)

 

 

 

 

2. For an airway, you only enter the entry point and the exit point.  If you see:

PVD J55 HTO J55 MANTA J55 SIE

 

...you only enter PVD J55 SIE.  It's okay to be lazy.

 

If I'm driving from my house to Blacksburg, VA, I don't say:

I take I-66 from Centreville, I-66 to Gainesville, I-66 to Front Royal, I-66 to Winchester; then I-81 to Strasburg, I-81 to Harrisonburg, I-81 to Lexington, I-81 to Roanoke, I-81 Christiansburg; SR460 to Blacksburg.

 

...rather, I say:

I take I-66 from Centreville to Winchester; I-81 to Christiansburg; SR460 to Blacksburg.

 

Entry - Airway - Exit.

 

No repeats (that's part of the whole point of airways: to work less on data entry, among others).

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