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brian
Joined: 02 Jan 2006
Posts: 643
Location: Sacramento, California, USA
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 Posted: Sat Jan 14, 2006 11:03 pm Post subject: GPS CDI (was: EFIS Comparisons) |
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BobsV35B(at)aol.com wrote:
| Quote: | Good Morning Bob,
Do you intend to use the 430 IFR or VFR?
Do you want to execute full ILS approaches?
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A set of ILS needles is required for this. This does not need to be a
TSO display tho. You do not need TSO on any of the avionics except for
the IFR-certified GPS.
| Quote: | For VFR, there is no question that a CDI is not needed.
For IFR, things get a bit stickier. Beyond that, it makes a difference if
the aircraft is experimental or normal category.
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As I interpret TSO-129.whatever (for IFR GPS), the doc states that there
must be a CDI in the normal visual scan of the pilot. I would consider
the CDI display on the unit when mounted in a center-stack for radios to
be within the pilot's normal visual scan. This therefore does not
require a separate CDI.
OTOH, some inspectors at the FSDO did insist on one. I don't think that
TSO for it is required so something like the BM EFIS-1 should suffice.
Again, my interpretation.
Also, as I recall, didn't they change the requirements for installing an
IFR GPS such that it no longer requires a sign-off by and inspector at
the FSDO?
--
Brian Lloyd 2243 Cattle Dr.
brian-yak at lloyd dot com Folsom, CA 95630
+1.916.367.2131 (voice) +1.270.912.0788 (fax)
I fly because it releases my mind from the tyranny of petty things . . .
- Antoine de Saint-Exupery
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_________________
Brian Lloyd
brian-yak at lloyd dot com
+1.916.367.2131 (voice) +1.270.912.0788 (fax)
I fly because it releases my mind from the tyranny of petty things . . .
- Antoine de Saint-Exupery |
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mlas(at)cox.net
Guest
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| Posted: Sun Jan 15, 2006 8:36 pm Post subject: GPS CDI (was: EFIS Comparisons) |
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The BM EFIS-1 has a CDI display built into it, therefore a second one is
not required.
Mike
--
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