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GPS Above FL240.  
User currently offlineDescendVia From , joined Dec 1969, posts, RR:
Posted (5 years 6 months 4 days 12 hours ago) and read 4395 times:

Pretty straight forward question to something I'm a bit unsure of.

Does GPS also meet the requirement of DME above 24,000 feet? Or is it just for approaches and stuff and actual DME is required?

Thanks

7 replies: All unread, jump to last
 
User currently offlineTb727 From United States of America, joined Jun 2005, 1577 posts, RR: 9
Reply 1, posted (5 years 6 months 4 days 10 hours ago) and read 4354 times:

Yep, GPS can replace the DME requirement above FL240 if it is IFR approved.


Too lazy to work, too scared to steal!
User currently offlineSoku39 From United States of America, joined Nov 2000, 1797 posts, RR: 9
Reply 2, posted (5 years 6 months 3 days 18 hours ago) and read 4179 times:

A little story, last year the FAA sent a notification to our flight school essentialy saying that our GPS units TSO no longer met the requirements for DME. However we already had the airplanes and the GPS unit was approved at the time of purchase. The planes had no stand alone DME, this essentialy made it so that we could not legally identify certain step down fixes, or DME fixes on different approaches. It was quire a pain in the ass until the Feds reversed their decision after realizing their mistake, and now we can use the GPS as DME. In short it depends on the TSO on your unit whether or not you can use it for DME.

It was weird as well, as the unit was still IFR certified, and we could still shoot all kinds of approaches with it.

[Edited 2009-01-30 12:19:49]


The Ohio Player
User currently offlineDescendVia From , joined Dec 1969, posts, RR:
Reply 3, posted (5 years 6 months 3 days 18 hours ago) and read 4170 times:



Quoting Tb727 (Reply 1):

I thought so but wanted to be sure........

Thanks!


User currently offlineTb727 From United States of America, joined Jun 2005, 1577 posts, RR: 9
Reply 4, posted (5 years 6 months 2 days 13 hours ago) and read 3960 times:



Quoting Soku39 (Reply 2):
A little story, last year the FAA sent a notification to our flight school essentialy saying that our GPS units TSO no longer met the requirements for DME. However we already had the airplanes and the GPS unit was approved at the time of purchase. The planes had no stand alone DME, this essentialy made it so that we could not legally identify certain step down fixes, or DME fixes on different approaches. It was quire a pain in the ass until the Feds reversed their decision after realizing their mistake, and now we can use the GPS as DME. In short it depends on the TSO on your unit whether or not you can use it for DME.

Which is funny because even though it doesn't "on paper" meet the requirements anymore, I guarantee it is way more accurate than a normal DME.



Too lazy to work, too scared to steal!
User currently offlineSoku39 From United States of America, joined Nov 2000, 1797 posts, RR: 9
Reply 5, posted (5 years 6 months 2 days 11 hours ago) and read 3934 times:



Quoting Tb727 (Reply 4):
Which is funny because even though it doesn't "on paper" meet the requirements anymore, I guarantee it is way more accurate than a normal DME.

It's the FAA, I've learned that common sense in professional aviation is not tolerated.



The Ohio Player
User currently offlineTb727 From United States of America, joined Jun 2005, 1577 posts, RR: 9
Reply 6, posted (5 years 6 months 2 days 10 hours ago) and read 3925 times:



Quoting Soku39 (Reply 5):
It's the FAA, I've learned that common sense in professional aviation is not tolerated.

LOL yes very true, that would make an awesome T-shirt!



Too lazy to work, too scared to steal!
User currently offlineFLY2HMO From , joined Dec 1969, posts, RR:
Reply 7, posted (5 years 6 months 2 days 10 hours ago) and read 3914 times:



Quoting Tb727 (Reply 6):
LOL yes very true, that would make an awesome T-shirt!

The first person here to walk to his/her local FSDO wearing that shirt and coming out alive gets a cookie Big grin


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