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Questions tagged [instrument-approaches]

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Holding when no hold in-lieu of procedure turn present question

If I plan to do the ILS RWY 27 at Bainbridge, can I opt to hold at LYZ instead of doing the prescribed procedure turn? If so when can I descend from our en route altitude to 1900FT MSL to begin the ...
user75134's user avatar
1 vote
2 answers
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FAA Approach and Landing (AL) numbers

I was trying to get a list of all ILS approaches in the US, which brought me to the FAA Aeronautical Product Release API to retrieve all the DTPP (Digital-Terminal Procedures Publication) as five zip ...
Joshua Ball's user avatar
1 vote
2 answers
146 views

IAF is part of the hold at an uncontrolled aerodrome. Is the racetrack procedure necessary?

I am studying instrument approaches and I am not quite sure about this particular NDB-based approach procedure. Particularly, in regards to two things that, in my head, are conflicting: "Direct ...
GapeN's user avatar
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1 answer
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Is there a way to tell if a navaid in the plan view of an approach plate is collocated with DME equipment?

If there are DME distances depicted in the plan or profile view of an approach plate, it is usually pretty obvious which navaid they are referenced to. I'm wondering if there is a way to tell ...
Terry's user avatar
  • 335
4 votes
1 answer
69 views

Why was the rate of part 121 LPV equipage projected to be so low, and has that projection come true?

On page 10 of the FAA's 2016 PBN Navigation Strategy document, found here, the USA part 121 fleet is very thoroughly equipped with RNAV capability....except for LPV. Similarly, the FAA predicted that ...
Steve V.'s user avatar
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17 votes
4 answers
6k views

Why would attempting to land using only instruments 'almost certainly' lead to a crash, and why can computers do it safely?

I have no real experience in aviation but I was on the site just out of curiosity. On This question, the top answer states that attempting to land with only the instruments would almost certainly lead ...
Ryan Jensen's user avatar
1 vote
0 answers
49 views

RAIM Checks when using GNSS in lieu of DME for distance information

I understand that a RAIM has to be checked on the ground as part of preflight, as well as before the commencement of an RNAV/RNP approach. What I am unable to find information on online, is whether a ...
Zhi Hao Tan's user avatar
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964 views

What is the difference between CANPA and CDFA?

What is the difference between Constant Angle Non-Precision Approach (CANPA) and continuous descent final approach (CDFA)?
Deepak's user avatar
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1 vote
1 answer
114 views

Since which moment do the Low Visibility Procedures apply?

For CAT II and CAT III approaches require that protected area around the ILS antennas is kept clear from obstacles so it does not disrupt the ILS signal. So when there is an airplane on the final ...
Jan Hudec's user avatar
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4 votes
1 answer
360 views

Why is the distance between BRY VOR and missed approach point 0.2 DME in the plan view, while it is specified as 0.1 DME below?

Why is the distance between BRY VOR and missed approach point 0.2 DME in the plan view, while it is specified as 0.1 DME below? If we consider that the localizer is 0.2 DME ahead of the runway ...
pilot162's user avatar
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1 answer
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Is it possible to perform a descent like the picture below which I share?

In the picture, after crossing the VOR fix aircraft does not complete a parallel holding and directly descent on the other side of the racetrack outbound track. In my opinion with Jeppesen General ...
pilot162's user avatar
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5 votes
2 answers
281 views

Why does the surface-level Class E airspace at SIT/PASI (Sitka Alaska) extend so far to the northwest?

The August 1992 Final Rule "Terminal Airspace Reconfiguration" (page 38963, Federal Register Volume 57 No 167, August 27 1992) (link to pdf of entire issue opening to this page) stated that ...
quiet flyer's user avatar
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5 votes
5 answers
2k views

Are ILS approaches taught as part of instrument rating?

Are ILS approaches taught as part of instrument rating? What categories specifically? CAT I? CAT II? CAT III A? CAT III B? CAT III C?
TayE's user avatar
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14 votes
1 answer
3k views

VFR aircraft on a practice instrument approach—is the aircraft IFR? Do they receive separation?

A VFR aircraft contacts ATC and requests to execute a practice instrument approach (whether full-procedure or vectors-to-final). ATC issues the approach clearance, including the specific words "...
randomhead's user avatar
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6 votes
1 answer
385 views

Why is there a "-D" circling-only approach at an airport that does not have corresponding -A, -B, and -C approaches?

There are three instrument approaches at SEE (as of 17 June 2021): RNAV (GPS) RWY 09L RNAV (GPS) RWY 17 LOC-D The two RNAV approaches are straight-in to runways 09L and 17, respectively. The LOC-D ...
randomhead's user avatar
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1 vote
0 answers
335 views

Is it necessary to switch from VFR to IFR when using ILS approach?

I have flown at an airport and asked for vectors for an ILS approach in VMC for practice. But the controller refused to give me vectors and told me that I could only have a visual approach. I got the ...
Stanislav Zubar's user avatar
3 votes
2 answers
439 views

Why does this holding pattern have both minimum and maximum altitudes published?

Reference the VOR-A Approach to Stellar Airpark (P19), in Chandler, Arizona (shown below): When JAROD INT is used for missed approach holding the published procedure calls for the aircraft to climb to ...
user avatar
4 votes
1 answer
614 views

How can I log simulated instrument time and approaches in a single-place aircraft?

Is there a way to log instrument approaches in VMC when all you own is single-place aircraft? (or aircraft with only one pilot station - I own a Long EZ). The regs seem to indicate that I have to rent ...
Charles Bretana's user avatar