With the 89B, if you don’t change to obs mode, the approach won’t go active, you have to manually re-enter the procedure and likely do the entire approach again. The 94 is much improved over the 89B as it has a Procedure button and automatically sequences from leg mode to OBS, as does the 430. But re-activating the same approach with the 430 requires only 2 button presses.Īs far as flying approaches, both are similar. As with most IFR GPS’s neither unit will automatically sequence after the missed approach point. The 430 has a larger easier to read screen and in my opinion is a bit more user friendly than the 94. The 430 also has a 12 channel GPS reciever vs. Not only does this eliminate equipment from the panel, but it makes if much easier to enter frequencies. One of the largest differences is the 430 has a built in NAV/COM. The GNS 430 does have several advantages over the KLN94. I’m hoping to hear from a cross section of pilots who can comment on this, I’ll bet that there is a lot of partisanship in our community about this so it should be fascinating to read your responses. Comparable in price to the Garmin 430, probably a better display than you get with the Garmin but again raises the question about which unit is actually better to use as an IFR navigation platform and subjectively by how much. Replace the 89B with a 94 and buy a King Multi Function Display. This is a more expensive option some of our advisors say that is equipping the plane with the best mixture of capability and economy … others ask why you would change the GPS when the upgrade to the 94 is a pin compatible inline upgrade. This is a pretty inexpensive option but some of our advisors are quite negative on the KLN94. Keep the 89B, the IFR pilots will learn how to use it safely. We are debating the future of the 89B and I believe that the options can be boiled down to: Our group has a wide range of experience but 2 of us are Instrument Rated.

The plane is equipped with a King KLN89B (IFR Certified). I have just bought a 1999 C182S with 5 partners.

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