today im flying to ST maarten and one of the waypoints are 5000N 02000W put in the fmc this: n5000 w02000. it said format error. in the 747 it works but not the MD11. can someone please help

Try 5020n or 50020n. It's one of those for sure.

Thank you!!!!

 

I found this on the forum once, this copy pasted by him and I copied it as well.

 

Regards

Manfred

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FMC Lat/Long Coordinate Coding

 

Posted 05 May 2011 - 09:42 PM

N latitude, W < 100 degrees longitude = xxxxN

(eg: 6040N = 60N 40W)

N latitude, W > 100 degrees longitude = xxNxx

(eg: 50N20 = 50N 120W)

N latitude, E < 100 degrees longitude = xxxxE

(eg: 4507E = 45N 07E)

N latitude, E > 100 degrees longitude = xxExx

(eg: 12E21 = 12N 121E)

 

S latitude , W < 100 degrees longitude = xxxxW

(eg: 1041W = 10S 41W)

S latitude, W > 100 degrees longitude = xxWxx

(eg: 05W60 = 05S 160W)

S latitude, E < 100 degrees longitude = xxxxS

(eg: 0233S = 02S 33E)

S latitude, E > 100 degrees longitude = xxSxx

(eg: 14S11 = 14S 111E)

 

Example: (taken from KLAX to YSSY United flight on FlightAware)

Quote

PRCH9 DINTY DUETS 3300N 13000W 3300N 13500W AXELE 3000N 14800W 2800N 15500W 2500N 16100W 2100N 16500W 1500N 16900W 1000N 17200W 0400N 17500W ARTOP 0600S 17500E 1100S 17000E 1500S 16700E 2100S 16300E 2700S 16000E MISLY B580 IFFEY MARLN

 

 

From the above route:

 

3300N 13000W = 33N30

3300N 13500W = 33N35

3000N 14800W = 30N48

 

0600S 17500E = 06S75

1100S 17000E = 11S70

1500S 16700E = 15S67

 

It's fairly simple to remember.

It's either a North latitude or a South latitude, paired with West or East longitudes; NW, NE, SW, SE.

If the West/East is greater > 100 degrees, the letter modifier will always be in the middle of the fix (xxNxx)

If the West/East is less < 100 degrees, the letter modifier will always be at the end of the fix (xxxxN)

 

North lat + West long = N as the modifier letter ( xxxxN / xxNxx )

North lat + East long = E as the modifier letter ( xxxxE / xxExx )

South lat + West long = W as the modifier letter ( xxxxW / xxWxx )

South lat + East long = S as the modifier letter ( xxxxS / xxSxx )

 

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To code in custom Lat/Long corrdoinates it depends on the values of the Lat/Long. In your case, the coordinates will be entered like this:

 

5700N 10000W = 57N00

5930N 09000W = (not sure about 5930N 09000W but 5990N = 5900N 09000W)

6100N 08000W = 6180N

6300N 06000W = 6360N

6300N 05000W = 6350N

6200N 04000W = 6240N

6000N 03000W = 6030N

5700N 02000W = 5720N

 

I have used this coding repeatedly in the 744 and MD-11 FMC's crossing the ponds. I had this question myself several years ago and was lucky enough to find the post that I qouted above. (I copied it for my own future use.) Hopefully this will answer your questions.

VERY NICE! The manual only states the long version, which is a PITA when you have a lot of waypoints. I thought the short form should be possible but was not sure of the format.

 

THANK YOU!!! :lol:

 

Best regards,

Robin.