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-   -   Garmin Navigation Data Alert (https://www.pprune.org/pacific-general-aviation-questions/405423-garmin-navigation-data-alert.html)

ForkTailedDrKiller 12th Feb 2010 04:04

Garmin Navigation Data Alert
 
Users of Garmin GNS gear need to be aware of this!

TO: Owners/Operators of GNS 4XX/5XX (WAAS and non-WAAS) units and Garmin Integrated Flight Deck Systems

DATE: 11 February 2010

SUBJECT: DME Arc Legs Computed Incorrectly

AFFECTED PRODUCTS: All Garmin GNS 4XX/5XX (GNS 480 is not affected) units with operating software v2.07 and newer, all GNS 4XXW/5XXW (WAAS) units; and all G900X, G950, G1000, Perspective™, and Prodigy™ Integrated Flight Decks.

DESCRIPTION: A small number of DME arc transitions in the navigation database (all outside of the U.S.) are incorrectly computed/displayed when the approach is activated. This results in an erroneous point-to-point flight path instead of an arc flight path, or in some cases, the arc flight path leg is absent.

PILOT ACTION: Do not fly the listed approach procedures (Table 1) using GPS navigation when operating with any Navigation Database prior to Cycle 1003.


RESOLUTION: The approaches that cause the erroneous DME arc transitions will be removed from Cycle 1003 and future cycles of the Navigation Database until the issue is resolved.

YBCS ILS 15, YBHM VOR 14, YBHM VOR 32, YBMA VOR 16, YBMC VOR 18, YBPN VOR 11, YCAR VOR 04, YCAR VOR 22, YCIN NDB 11, YCIN VOR 11-Z, YCIN VOR 29-Z, YDPO VOR 24, YMAY VOR 07, YMAY VOR 25, YMHB VOR 30, YPBO VOR 06, YPBO VOR 24, YPDN NDB 11, YPDN VOR 11, YPDN VOR 29, YPGV VOR 13, YPGV VOR 31, YPKU VOR 30, YPLM VOR 18, YPLM VOR 36, YPPD VOR 14, YPPD VOR 32, YPPH ILS 21, YPPH ILS 24, YPPH VOR 03, YPPH VOR 21, YPPH VOR 24, YPTN VOR 32, YSCB ILS 35-Z, YSCB VOR 17, YSNF NDB-A, YSNF VOR 04, YSNF VOR 11, YSNF VOR 29, YSWG VOR 05, YSWG VOR 23, YTNK VOR 07

Dr :8

frigatebird 12th Feb 2010 05:38

Interesting. And YSNF..

Jabawocky 12th Feb 2010 06:47


Interesting. And YSNF..
FB

I told ya they should have done the RNAV :E

J:ok:

pushplay 12th Feb 2010 07:07

Hi Forked Tailed Dr Killer,
May I call you Dr next post? I enjoy your comment on many topics; arc intercept using GPS, particularly to a user defined wayoint or in the land of sheep, an ATC radar vectored join for the arrival, can be difficult when under stress. Errors in the data base are a real worry. Current A notamn in NZ is highlighting other problems with KLN 90 B database. Sure,the US have guaranteed no dither, but pilots must be aware- garbage in, garbage out. Do not forget to check your point in space, and back up if you can with something else. Cheers. Pushplay.

goldypilot 12th Feb 2010 07:41

We wll do everything to get the westwind accident into every forum untill the original forum is opened

Peter Fanelli 12th Feb 2010 08:28

This is why I like the NDB :}

frigatebird 12th Feb 2010 08:35

Yeah Pete - but don't home on it below the height of the aerial..

Used to do the twin locator approach at Santo years ago in some crap weather. With one at the far end of the runway, and the other miles out to the S.E. lined up with the centreline, a needle behind and a needle ahead, all in a straight line, it was like riding on a trainline. The biggest problem then became just using one set of eyes in the cockpit to see the runway through the driving rain in time to land on it..

For a while until it was dug up again and fixed, after the cabling for the runway lights was laid directly into the soil, when it got wet, the power was bled away, and the lights went dim when you needed them most at night too..

Capt Fathom 12th Feb 2010 09:30

It's hard to beat..

..the single-engined inverted NDB Approach at night with circling whilst activating the PAL and pouring a cuppa from the Thermos!

Gotta love GA :E

sprocket check 12th Feb 2010 10:57

Geez, Doc, I can't help it, sorry, but I guess this means you're just about stuffed...oh wait how many other GPSs in there?

So, back to the steam gauges until the next software update.

sc

ForkTailedDrKiller 12th Feb 2010 11:01


Geez, Doc, I can't help it, sorry, but I guess this means you're just about stuffed...oh wait how many other GPSs in there?
Yes, I will require lots of radar vectors to get onto the YBCS 15 ILS next Tuesday morning!

Dr :8


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