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You still don't have it correct, there are only two feeder routes shown on the approach chart, one from DUEAS and the other from PAMPI. FAM is an IAF and the route from FAM to TANZI is an initial leg of the approach procedure that ends at an IF. Although it may look like it is a feeder route...

I do a lot of support calls. Only rarely is there sufficient information provided to analyze the request. Most are worse than yours: "My GPS is broken, what's up? :)" To understand if it might be a charting error, I start by looking up the procedure source information, but one needs to know the...

If the obstruction is lit that penetrates the 20:1 slope, then the NA at night is not required. Also the GQS surface is clear because the procedure has a vertically guided LPV option. PS, you could have made it easier to look up the procedure by naming it, RNAV (GPS) Rwy 18 3MY rather than...

ICAO flight plans accept non icao identifiers as points of departure and destination utilizing the latitude and longitude. Is there something specific you are referring to?

An RNAV NPA uses a MDA which is based on a level surface with a 250 foot OCS between the FAF nd the MAP. The highest obstacle may be anywhere along the FAC. A vertically guided LPV or ILS approach uses a sloped OCS, so the closer you get to the runway threshold, obstacles must be lower...

This can apply to a certified operator such as an airline. The rational is that they fly only into specific airports that have an NPA to a runway that is also served with a vertically guided approach procedure such as an ILS, LPV, or LNAV/VNAV, meaning that the approach path to the runway is...

The relevant portion of the rule says "continue an approach below the authorized DA/DH". At the DA/DH you make the decision. Below the DA/DH if your decision was to miss the approach, you immediately begin arresting the descent and transitioning to a missed approach climb by pitching up and...

You can file from or to a lat/long or Fix/radial/distance point if the airport does not have an identifier. You can call the local center to get a clearance. You are responsible for terrain and obstacle clearance until you are at the MVA or MIA. With ForeFlight, if you enter a lat-long as your...

I have occasionally seen RF energy radiating through the front face of a com unit. I was able to cover the front face with a coated anti-static bag used to ship avionics and it blocked RF energy from this source because of the gray metallic coating on the bag. This won't resolve your issue, but...

It is not how close the frequency is to the GPS L1 frequency of 1575.42 MHz, it is a harmonic of the frequency. The 12th harmonic of 131.29 MHz and the 13th harmonic of 121.19 fall inside the GPS L1 frequency and can clobber it. Also frequencies near them will also impinge on GPS L1 band. A...

They were GPS navigator installations, but anytime a GPS is installed, it should be subject to the type of post installation checking described. If one doesn't check the frequencies for interference, then it is all dependent on the flight involved if one of the frequencies is used or not on the...

I may be missing something, but I did not find any guidance in the installation manual for verifying that the GPS receiver was not being interfered with by Com radios. This interference is very very common, particularly on older com units. On a GPS installation, this is standard installation...

Pairing does not involve the app. Pairing is through iOS BT panel.

There used to be RNAV VOR/DME approaches and the KNS80 was approved for them using RNAV. All these approaches have since been removed from the NAS. I kept my KNS80 as my #2 Nav system because it allows me to fly RNAV direct with the remaining VORTAC or VOR/DME in the MON system. It also includes...

There is a draft of an update to ACS for the instrument rating and the guidance for IPC. It appears it will allow doing all the tasks using an aircraft that only has GPS. This statement has been removed from the Non Precision Task: The section now reads as:

Woops, I was looking at the wrong chart.

The DME location is noted on the chart, but should not be a requirement since the cross radial is also charted to define the fix. The fix is defined in the eNASR data as a radial and localizer. The FAA 8260-3 source does not say to chart the note, which makes the FAA chart plan view note an...

PT does not require DME, but it is helpful. Cross radial from MZB and the localizer defines GATTO. Although V165 southbound leads to SARGS, there is no IAF that leads to it. There are many examples when ATC does not want a procedure to joined using own navigation, for example my home drome KUZA...

If you want a user content file that shows the surface center boundaries, add this file to ForeFlight user content. https://drive.google.com/file/d/1wKdCbZClnhHDn8p_qZpqzCbR43CbVAhV/view?usp=share_link

These are ARTCC surface boundaries and define which center is responsible for processing IFR flight plans. They are not charted, what is charted is the ARTCC airborne boundaries. If your flight plan processor uses the airborne boundaries for filing purposes, particularly for flight plans that...