Questions tagged [iaps]

Instrument Approach Procedures (IAPs) are procedures used by pilots to maneuver an aircraft by reference to their instruments during an approach, published by the FAA and other third parties (most notably Jeppesen).

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13
votes
2answers
2k views

Is there an online source for European Instrument Approach Procedures?

The FAA offers instrument approach procedures on their website free of charge (FAA Charts). Is there a similar site provided by EASA or the EU?
10
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2answers
1k views

Why do some back course operations use normal sensing?

So the LOC/DME-E approach to KASE lists for the missed approach course to use the I-PKN localizer, but then there's a note 'course outbound is normal sensing'. Does that mean that in effect, this ...
20
votes
7answers
73k views

What is the difference between LNAV/VNAV and LPV minimums on an RNAV approach?

This approach shows two sets of minimums that both have vertical guidance with a Decision Altitude (DA). What is the difference between LNAV/VNAV and LPV, and why does LPV have lower minimums?
7
votes
2answers
16k views

When should an Obstacle Departure Procedure (ODP) be used?

Buried away in the front matter of the FAA charts is a section titled "IFR TAKEOFF MINIMUMS AND (OBSTACLE) DEPARTURE PROCEDURES". Note that this is not a graphical departure procedure that is in with ...
10
votes
2answers
25k views

How to calculate the vertical profile for a LOC only approach?

I am kind of stuck for calculating a descent path on the ILS RWY 7 approach into KORL. Assuming the glide slope is not available and you have to use the localizer only, what is the best way to ...
11
votes
1answer
3k views

When conducting a circling approach, how close do you have to stay to the airport (especially with the new FAA requirements)?

I heard that the FAA recently changed how they calculate the protected area for circling approaches, and it looked quite complicated because it changes based on altitude and speed, etc. Can you ...
16
votes
2answers
2k views

What is a monitored approach?

I've heard this term used to describe approaches into low weather (e.g. category 2 ILS), what is it? How is this different than an ILS approach?
12
votes
1answer
7k views

When cleared for an approach and not on vectors, is a depicted course reversal always required?

At least where I fly, most instrument approaches now use a Hold In Lieu of Procedure Turn (HILO). The "full procedure" now consists of a turn in the hold before proceeding inbound. In the example ...
6
votes
1answer
6k views

Which approach category minimums should I use when conducting an instrument approach?

FAR 91.3 says: Aircraft approach category means a grouping of aircraft based on a speed of VREF, if specified, or if VREF is not specified, 1.3 Vso at the maximum certificated landing weight. ...
27
votes
3answers
2k views

If there is a misprint on an instrument plate, is a pilot required to comply with it?

This is a snippet from the KESC RNAV 36 approach. It's a real procedure, I didn't photoshop it except to add highlighting. Let's say I was in the position that the blue aircraft is in (roughly 10 ...
10
votes
1answer
2k views

What is the FMS Bridge Visual 28R approach at SFO?

I've read that SFO has a specialized FMS Bridge Visual approach to 28R that is not published but instead is custom tailored for specific operators. What exactly is this approach and how does it work? ...
12
votes
2answers
791 views

What is the correct holding altitude for the missed approach at Unalaska (PADU)?

On this approach plate, the holding pattern shown is depicted for a missed approach: However, in the notes, it says to Descend to 6000 in holding pattern. even though you should only climb to ...
15
votes
1answer
6k views

What is a Simultaneous Offset Instrument Approach (SOIA)?

I have heard about Simultaneous Offset Instrument Approaches (SOIA), special procedures for runways that are spaced particularly close together. How exactly do they work? What are the requirements for ...

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