Questions tagged [instrument-procedures]
Procedures for navigating based on cockpit instruments rather than visual references outside the cockpit.
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Why is a procedure turn required if you are more or less on the final approach course?
From this question. I am not instrument rated. The answers to the question explain, from the point of view of the plate instructions, if a PT is required or not. The OP was failed for not ...
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When are procedure turns not required?
Today, at my part 141 flight school I failed a stage check (flight test), because I did not perform a hold. I'm in com-multi training and was shooting a single engine approach in a Beechcraft Baron. I ...
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How to correct for crosswind in VOR holding pattern without wind information?
I've heard many articles about crosswind correction in VOR holding pattern. They mainly tell the outbound leg=correction times three things for slow speed aircraft. I notice all of them require wind ...
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What US airports have approaches with LAAS?
LAAS (Local Area Augmentation System) is a ground-based GPS augmentation system, intended to be placed at airports to get position accuracy down to around 3m (~10ft) from WAAS's 10m.
I've read that ...
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Are there any examples (real life cases) of invalid FMS data affecting flight operations?
Do you know of any real life cases, when invalid FMS data affected somehow the flight operations?
By invalid FMS data I mean a case, when the procedure coding does not reflect properly the original ...
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What happens with RNAV procedures on the way from AIP publication to FMS database?
I'm particularly interested in Approach procedures, but I guess it applies for RNAV procedures in general.
On one side, the national Air Navigation Service Provider (ANSP) is responsible for the ...
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Can the ILS glideslope be intercepted from above?
Is it recommended to intercept the ILS glideslope from above? Are there any special considerations like unstable approaches or GPWS warnings?
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What are the procedures and responsibilities concering landing clearances on ILS Cat 2 or 3?
On very poor visibility, the pilot approaches under ILS procedure.
Usually they are requested to call the TOWER, when visual with the runway, to receive the landing clearance. However, on ILS Cat 2 or ...
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How is a standard holding pattern flown?
Unless otherwise specified, in what direction and what duration of leg should be flown if assigned a hold?
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Why is this VDP not authorized?
I have to admit that I’ve always kind of struggled with the Visual Descent Point (VDP) concept. Looking at the Terminal Instrument Procedures (TERPS) definition:
“The VDP is a defined point on the ...
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During instrument approach, is an abbreviated racetrack course reversal allowed?
I was flying the RNAV (GPS) RWY 33 approach into KFNL during instrument meteorological conditions. The plate identifies a non-standard 6 NM racetrack reversal at IMOMY:
Denver approach cleared me ...
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Can ATC decide whether or not to provide tower enroute services?
Recently, when I requested tower enroute service from a Southern California airport with published TEC routes, I was told by the controller that, out of courtesy for him, I needed to prefile.
If I ...
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How can a part 91 operator gain authorisation from the FAA to perform RNAV (RNP AR) approaches?
How would an individual pilot operating under Part 91 in a light aircraft with a future "glass cockpit" setup (maybe Garmin will add it to the G2000?) capable of coding and flying RNAV (Area ...
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What is the best way to give ATC a position report using only a VOR (no DME or GPS)?
While cumbersome, is it permissible when asking for a pop-up IFR clearance to state, at the intersection of WWW radial XXX and YYY radial ZZZ?
Obviously, during ...
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What does "S-ILS" signify in an FAA NOTAM?
Consider this NOTAM for LAX from the current list:
FDC 5/0341 LAX IAP LOS ANGELES INTL LOS ANGELES CA. ILS OR LOC RWY 25L AMDT 12C... S-ILS 25L DA 395/ HAT 291 ALL CATS VISIBILITY ALL CATS RVR 2200....
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Why would the USAF have no support for autolanding?
One thing I noticed when reading through the KC-10 flight manual (see page 184 for the specific reference) is that the KC-10 lacks support for Category III operations, unlike its civil DC-10 brethren. ...
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KIBM RNAV (GPS) 10 -- did I find a charting error, or what is the TERPS rationale for this?
I was looking at the RNAV (GPS) approach to runway 10 at Kimball, NE (KIBM):
and was left wondering "How on earth could the straight-in visibility minima for approach categories C and D be lower than ...
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Instrumented landing: why switching *everything* off [duplicate]
Few days ago I took a flight to go back to my town. Towards the end of the journey, the captain demanded us to shut down any electronic device that we had on board, including iPods, CD players, phones ...
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How do you properly enter the NDB34 published approach at Friday Harbor (KFHR)?
I'm having trouble figuring out the correct procedure to enter an approach such as:
Let's say you are cleared from ISLND for the NDB approach. How do you maneuver safely and legally to the the ...
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Is there any automated go-around procedure?
In Wikipedia's description of one of air crashes (probably Thai Airlines, if I recall correctly), I found a remark saying something like that: "Crew decided to go around, but apparently decided to ...
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What benefit is provided by an MCA that is not already provided by an MEA?
I continue to read definitions of MEA as the minimum altitude across the entire segment to ensure obstacle clearance and navigation/comm signal reception. It also states that this is the lowest ...
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What is needed to take off in CAT IIIb weather and how is it done?
Landing is possible down to 150 ft visibility and no useful vertical visibility using CAT IIIb ILS. This relies on ILS not only for navigating to the runway, but also for maintaining runway centreline ...
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Do you need clearance from ATC to switch to a different approach at non-towered airport?
When coming in on an instrument approach at a nontowered airport, the approach/center controller will clear you for the approach and approve your frequency change to the CTAF.
Once you're cleared ...
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How do you encode a radial to radial turn in ARINC-424?
I am building my own ATC simulator and for that purpose I need to include several instrument procedures. I have a problem with that particular one:
My problem is on KEA transition, the leg between "...
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Do I need to descend towards the Minimum Descent Altitude if I have the airport in sight?
I have some questions about circle-to-land approaches.
If we have the runway in sight above MDA, do we need to continue to descend to MDA on downwind? Can we just keep fly like a traffic pattern ...
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Do instrument approach procedures sometimes have a minimum temperature?
Non-precision instrument approaches generally have altitude restrictions which get lower when you get closer to the airport. I always figured these restrictions were AMSL using the current altimeter ...
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How do I tell a Garmin 430 not to exit a hold?
Let's say that we're directly west of CATLI and have been cleared direct CATLI for the RNAV approach. We load the approach into ...
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Is it legal to fly the localizer approach when cleared for the ILS?
Most ILS approaches include localizer minimums that can be used if the glideslope transmitter or receiver fails. For example:
In this case, to fly the ILS you would intercept the glideslope just ...
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When flying a circling approach, is it permitted to begin the visual circling segment prior to the final approach fix?
If it were a beautiful sunny VFR day and you were cleared for a circling approach, can you begin the circle prior to the final approach fix/circling DH in order to maneuver visually to land?
Here are ...
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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 ...
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