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The GNS430W has a built in NAV and ILS GS receiver. The GNS400W does not have a Nav receiver or Com, just WAAS GPS receiver. The GNS420W has a Com unit and a WAAS GPS receiver. The aircraft may have one of the other two models. but if the GPS is truly a GNS430W, it has a GS receiver. If the...

The GPS may substitute for DME. That means it can be used for identifying any fix based on DME or a DME arc. You wrote: "It says DME required at top for arrival or radar vectors." That is not correct. The notes are "DME required." and "Radar required for procedure entry." The DME is used for...

First question regarding substitution of DME when flying the arc, yes it is explicitly approved, see AIM 1-2-3. Because the procedure is a conventional procedure and is not connected via any airway in the enroute system, radar is required to join the procedure. With GPS, you can navigate...

There was this article in IFR https://www.ifr-magazine.com/charts-plates/ils-on-the-block/

I have type 2 diabetes and take Mounjaro. My A1C dropped from 9.1 to 6.3 and I lost 25 pounds without any application of discipline (from 184 to 159). Mounjaro is great, but until it is easier to get, I hope it is not approved for weight loss. One of the most popular dosing levels is often not...

There is a new draft of AC 90-119 available for public comment. Comments are due by 10-26-2023. This is the current section regarding alternates with (WAAS): Here is a link to the draft: https://www.faa.gov/aircraft/draft_docs/afs_ac/AC_90-119_Coord_Copy.pdf

I am not aware of any ILS installations that go away as a part of the MON program itself, but undoubtedly some ILS will go away over time, particularly at non part 139 airports.

It is filed as is. The syntax is supported by ERAM, although it is not ICAO standard. It is used all the time, originally by the military and now by anyone. ForeFlight supports it.

I would characterize LPV 200 outages as infrequent, but not rare. Some parts of the US seem to experience regular outages, for example near El Paso and southern New Mexico. Yesterday there was a CME impact that caused a lot of outages, mostly in Canada and Alaska. Back on 4/23 of this year...

It should happen soon. Once AC 90-119 is released, LPV will be classed as precision. Here is how the draft reads: It is not clear yet whether or not LPV or LNAV/VNAV with DH 250 feet or lower and classed as precision approaches will enjoy the 600-2 weather requirements and may still require...

Don't forget you can't plan to use an airport as an alternate based on a conventional procedure that has a dependency on DME or NDB if you are not equipped and would need to use GPS substitution. IOW with conventional GPS, you can depend on the GPS for either the destination or the alternate...

I agree with his point and I turn off VNV after loading the approach into my GTN. This is because I have a legacy AP (Stec 60-2) that does not follow the VNV guidance. Typically, I don't make the GP intercept at the GP intercept altitude, but rather at the higher crossing altitude of the IF...

It is optional in the WAAS TSO to show the LNAV lateral deviation after the FAF as either linear +/- 0.3 NM or angular at +/- 2 degrees with the proviso that it does not exceed 0.3 NM inside the FAF. This is the way Garmin implements it in the GNS, GTN, and G1000 series. Garmin had a bug in...

Full scale is not correct in his video. In terminal mode, full scale deflection (FSD) is based on the PBN RNAV 1 specification or RNP APCH specification and is 1 NM. Full scale is the offset from the center of the indicator, so for RNAV 1 it is +/- 1 NM. So from full scale to the left all the...

This is from the tailBeacon TSO IM: So the most likely suspect is the tailBeacon if you are experiencing a baro altitude failure.

I have been able to lose weight, mainly using eating discipline and reduce carbs to a minimum. But eventually I would gain it all back. I also have type II diabetes and when it gets scary A1C wise, I re-adopt discipline, but like I said, I regain my weight after losing it again. However, for...

The PBN equipment box specifies requirements for any required PBN equipment. At one point this might have read as "GPS required" or later as "RNAV 1 - GPS required". This is because the path followed on the missed approach required use of a GPS and the path was RNAV 1. Unfortunately not all GPS...

It is a storm cell with echo tops to FL350. The arrow is the direction of the cell movement and where it is expected to track in 15 minutes. This is from the ForeFlight Pilot Guide:

FIR boundaries are center boundaries in the US.

GPS in OBS mode does not align with radials of a VOR unless the active waypoint is a VOR.