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7 votes
Accepted

GNSS approaches: Why does LNAV minima even exist? Wouldn't all aircraft fly to LNAV/VNAV or LPV minimums?

In LNAV/VNAV approaches, the vertical guidance can be provided by WAAS, or it can be provided by a baro-VNAV system. On an LNAV approach, there are step-down waypoints just like on any other non-...
Chris's user avatar
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4 votes

What do these items on a Jeppesen VOR approach chart mean?

The "State" label refers to the source of the values in the minimums box, in this case meaning they are from the respective state authority: A "Std" label in the upper left corner ...
Bianfable's user avatar
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4 votes

BGBW RNP A vs Straight-in approach

The design "requirements" in PANS like Doc 8168 are more like suggestions than requirements. They have no legal force. States are free to ignore these requirements or make their own, and ...
Chris's user avatar
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2 votes
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Why are the height values different although the altitude values in the "straight-in approach" and "circling" minimums are the same?

Straight-in is referenced to a particular runway, while circling is referenced to the airport elevation. The same elevation MSL is thus a different height above the referenced elevation. The "...
Ralph J's user avatar
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2 votes

Canadian Approach Plates: Why does the minima show that DME is required but the procedure name does not?

Most likely from amendments over time. Here is the current version of this approach: and an older version: As you can see, the older version has circling minima in addition to the LOC/DME minima. ...
Chris's user avatar
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1 vote

Can you explain what the 2nd caution on the LTAF VOR A chart means?

It means plainly what it says. A right turn is when you turn to the right. If you are going to make a right turn, you need to tell ATC as soon as possible that you are planning to do that. Since you ...
Chris's user avatar
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