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Entering NATS tracks


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I enter the following track into the EFB:

KJFK MERIT3 MERIT HFD PUT BOS TUSKY N63B VIXUN MALOT 55N050W 56N040W 56N030W 55N020W GISTI DUNLO DIBAL UL603 LAMSO EHAM

If I save this in PMDG .rte format it is correctly read into the PMDG 737NGX FMC. If I save in in FSX .pln format, however, the NATS waypoints are not read bij Active Sky Evolution; this is because the following parameter is missing for these waypoints:

xxxxxx

 

Peter Davis

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may I suggest you try the following route :

 

KJFK MERIT3 MERIT PUT BOS TUSKY N63B VIXUN 5550N 5640N 5630N 5520N MALOT GISTI DUNLO DIBAL UL603 LAMSO LAMS1A EHAM

 

where the coords are NAT-type (5 characters) : first 2 figures are the N lat, the second 2 are W lon, and N stands for NAT (see EFB manual)

 

works fine as a saved FSX .pln

 

Does it with Active Sky Evolution ? please check

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may I suggest you try the following route :

KJFK MERIT3 MERIT PUT BOS TUSKY N63B VIXUN 5550N 5640N 5630N 5520N MALOT GISTI DUNLO DIBAL UL603 LAMSO LAMS1A EHAM

Does it with Active Sky Evolution ? please check

 

Hello Jean-Louis,

Thank you for your suggestion. Unfortunately it still doesn't work. I can however make it work by adding something like

Added 1

after

5550N

in which case I see "Added 1" as waypont identification.

 

Active Sky Evolution must be less tolerant than other programmes as far as the structure of the waypoint data is concerned.

 

Peter

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Strange - I always thought the N stands for North.

It does stand for north; however, the reason that an association to this style (5520N or 55/20) can be made to the North Atlantic is because the 5 digit style waypoints are known as North Atlantic "points". These are only used for waypoints which are North and West of the equator and meridian respectively.

 

A normal reduced length coordinate is 6 digits long, e.g. 55N20W, 20S40E, 44S32W.

 

Jack

 

-----------------------------------------------------

Edit: Next post removed, as I misread Peter's post.

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"Strange - I always thought the N stands for North" and it does except in the EFB manual (page 10) for the reason Jack has just given above

 

for your information, do you know that ?

 

north hemisphere :

 

4908E = N49° E008°

49E08 = N49° E108°

4908N = N49° W008°

49N08 = N49° W108°

 

south hemisphere :

 

4908S = S49° E008°

49S08 = S49° E108°

4908W = S49° W008°

49W08 = S49° W108°

 

all of them are valid EFB fixes

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for your information, do you know that ?

 

north hemisphere :

 

4908E = N49° E008°

49E08 = N49° E108°

4908N = N49° W008°

49N08 = N49° W108°

 

south hemisphere :

 

4908S = S49° E008°

49S08 = S49° E108°

4908W = S49° W008°

49W08 = S49° W108°

 

all of them are valid EFB fixes

Jean-Louis,

 

I've always known that yes, they're ICAO short coordinates. When I first saw them I found them quite confusing to get my head around. Your examples could also be written in the slightly longer form too, e.g. 49W08=49N108W.

 

There are lots of ways to write coordinates ;)

 

Jack

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