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Cost of installing GNS430 versus GTN650

While we’re on upgrades I’m planning on an engine monitor too (thinking JPI 700 with fuel flow). All of this to take place next spring.

Tököl LHTL

The EDM700 has loads of old approvals so that one should be easy. But it’s an old instrument – you may want to look at some of the fancy newer ones.

Administrator
Shoreham EGKA, United Kingdom

@jesse yep there was no paperwork to do, apart for a change on the radio license. I don’t have the file anymore as I have now sold the TB20. I understand they get an approval for a whole batch of transponders at a time.

Alex
Shoreham (EGKA) White Waltham (EGLM), United Kingdom

Flyer59 wrote:

Try the Avidyne IFD440 simulator as well, available for free for iOS. I like their UI better than Garmin’s.

They are not an option for topic starter, not EASA certified for now.

WhiskeyPapa wrote:

what’s your estimate on the cost difference (unit included) of an installation on 430W versus 650?

It would be somewhere around 2000 – 2500 Euro difference (with the GTN being more expensive). Garmin support does no longer completely support the oldest version of the non WAAS GNS boxes where some repairs can no longer be made. The WAAS GNS boxes are no longer produced, which you should keep in mind. GNS boxes are still a nice bit of kit.

WhiskeyPapa wrote:

Also, are you saying the STC issues are the same for 430 and 430W?

Currently for most EASA general aviation aircraft, yes.

JP-Avionics
EHMZ

AFAIK the IFD440 is EASA certified now … really not?

Alex_ wrote:

yep there was no paperwork to do, apart for a change on the radio license. I don’t have the file anymore as I have now sold the TB20. I understand they get an approval for a whole batch of transponders at a time.

Under EASA this would be strange. You would need a EASA Form 1, which certifies the product (comes with the radio), then you need an approval for the installation, minor change or CS-STAN (trig has a minor change collection, so could be from them).

You would also need a CRS for this modification, even if it is a direct replacement, the checkout should be done by a qualified mechanic or company, Such as the post installation checks in chapter 7 of the Trig Installation manual. These for example specify some testings which can not be done without specialised test equipment.

JP-Avionics
EHMZ

Flyer59 wrote:

AFAIK the IFD440 is EASA certified now … really not?

As far as I know the IFD540 nor the IFD440 is EASA certified. As a dealer I haven’t received any news from them about this.

JP-Avionics
EHMZ

@jesse sorry for being vague I can’t remember the specifics. I did get it fitted by my avionics engineer,(I’m sadly not very tech mind!) it was a 20mins job, all of the same connectors, no wiring and a very long screw driver needed from what can remember!. Trig manufacture the unit and it’s rebranded Bendix as I understand.

@ WhiskeyPapa. Sorry I may have made this sound too simple, I am no expert and you would obviously need to make sure all of the paperwork was correct. What I can temper was that It worked out with minor fuss and Paperwork. Perhaps give Lawrence a call to discuss if this option interests you, as I said he sent all of the paperwork with the unit and pre-programmed it. I went with this option as the Garmin equivalent would have required a lot more work to install.

Alex
Shoreham (EGKA) White Waltham (EGLM), United Kingdom

Thanks to all, very helpful responses to my questions!

Tököl LHTL

As far as I remember are most GNS430/530 Waas not standart approved (minor change) for LPV (GPS) approches , and need another approval (STC).
While the GTN650/750 has this standart approved , (aswell as a dual GTN installation) when the Rally is on the EASA AML STC.

Because the design of the GNS(W) is already many years old I would go for the newest technology
(probably the GTN will be supported with spare parts for a longer time)

Both GNS(W) and GTN are good units

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