Questions tagged [instrument-flight-rules]

Instrument flight rules (IFR) are a set of regulations governing aircraft operations. IFR permits flying and navigating by instruments alone in conditions where there is no visual reference outside the aircraft.

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3answers
2k views

If you were to fly an ILS in a knife edge would you receve GS and LOC be fliped?

because LOC and GS work the same way, if you were to fly one at 90 degrees bank would your information be displayed on the wrong indicators?
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2answers
85 views

How can I identify the FAF on this Jeppesen chart?

According to this Jeppesen ILS Approach Chart: How can the FAF be identified? Would it be the point at which the G/S is intercepted? What is the difference between FAF and FAP?
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1answer
96 views

What are the implications of Visual Descent Angle Not Authorized (VDA NA)?

On some non-precision approach plates, there is a VDA/TCH mark. My understanding of it is information-only. If you pass its starting fix at the charted altitude and maintain the given descent angle, ...
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2answers
86 views

Can I file IFR DIRECT with a non-WAAS GPS?

The AIM 1-1-17 2 (a) states: Aircraft using un-augmented GPS (TSO-C129() or TSO-C196()) for navigation under IFR must be equipped with an alternate approved and operational means of navigation ...
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0answers
76 views

What requirements are needed to fly an approach that requires you to fly over the US/Mexico border?

I was flying North of El Paso Texas listening to El Paso Approach when I heard Approach ask a Falcon Jet if they could fly into Mexico to fly a Runway 4 GPS approach. At El Paso, the runway 4 ...
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1answer
72 views

How to do the base turn course reversal? [closed]

Can anyone tell me how to do the base turn course reversal? Please. I'm afraid it might be asked of me in my Checkride and my instructors haven't taught me that. Please.
2
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2answers
93 views

During an instrument approach, what are the obstruction clearance given?

I was wondering wether each segments of the approach has different minimum obstruction clearance? (E.g. initial, intermediate and final) From both terrain and man made obstacles. If possible i would ...
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1answer
52 views

Partial panel power on stall under the hood

What do you use for control and performance instruments while demonstrating power on stall under the hood with attitude and heading indicator covered (No vacuum instruments in 6 packs ) ?
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1answer
166 views

If you make up your own IFR waypoints, how does ATC know where they are?

If you make your own IFR waypoints, how does ATC know where they are? Just finished my IFR course in Canada. Was surprised to learn that you can make up your own IFR waypoints. If all IFR flights ...
3
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1answer
107 views

How does ceiling relate to IFR and VFR?

I'm working on a Python script that takes in metar data and decides if an airport is VFR/IFR/MVFR etc. This is the website that I'm getting the info from: https://www.aviationweather.gov/metar/data?...
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4answers
3k views

How do pilots align the HUD with their eyeballs?

In fighter jets, how do pilots align the HUD with their eyeballs?
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0answers
159 views

How Does the FAA Define the Dimensions of the Touchdown Zone?

Does the FAA give a regulatory definition of the term "Touchdown Zone" for use within the context of landing operations? In 14 CFR 91.175 the FAA requires—in certain cases—that pilots must be in a ...
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0answers
85 views

Is the Common Route, either of a SID or a STAR, related to the Runway Transition (climb phase) or the Enroute Transition (enroute phase)?

Based on this question ("What are the 'parts' of a SID procedure?"), I would like to ask for clarification concerning the role of the Common Route in a SID. As far as I have understood, the most ...
4
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1answer
134 views

What is the lowest RNP approach requirement without being RNP AR?

I was recently told by a friend that as soon as RNP for an approach is below the 1.0/0.3nm standard that it is required to be RNP AR. At least here in Australia, a curved segment anywhere on the ...
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1answer
117 views

Descending while turning inbound on a non-precision approach

I'm writing my instrument rating examination soon and one of the questions that I came across was: While executing a VOR A RWY 01 approach for Alexander bay, 2700ft is reached at 8DME on the ...
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1answer
84 views

How are VFR / GAAP approach points selected?

This is kind of an Australia based question. How are VFR approach points selected and why they are where they are? Also what challenges will pilots face from the GAAP (General Aviation Airport ...
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1answer
155 views

Is it a violation to list an alternate airport based on an approach your aircraft is not equipped to execute?

A pilot has planned a flight to another airport, and the weather indications at the destination require an alternate airport to be included in the flight plan. An ILS and a VOR approach exist at the ...
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1answer
58 views

Can hood time in a glider be logged as simulated instrument time for FAA IR purposes?

I need to build my simulated instrument time toward IR. Can flying under the hood in a glider (with an instructor/safety pilot...) be legally counted as simulated instrument time in the same way would ...
2
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1answer
90 views

IFR Currency with a safety pilot who has a BasicMed [duplicate]

Here’s my situation and question. For my IFR currency, I’ve asked a friend to be the Safety Pilot. He’s aptly qualified BUT he does not have the traditional Medical, but rather he has BasicMed. My ...
3
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1answer
118 views

Does the Enroute Phase begin at a 30NM distance from the departure airport?

ICAO's Doc 8168 Volume II ("Aircraft Operations") states: Part III "Performance-Based Navigation Procedures" Section 1 "Underlying Principles" Chapter 1 "RNAV Concepts" 1.2 "Flight ...
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2answers
216 views

What can I do if I cancel IFR when I shouldn't have?

Standard procedure for T-38 training is to cancel IFR in the MOA and fly back to the base VFR. A couple days ago I canceled in the MOA out of habit and instantly realized that I was above a broken ...
5
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1answer
232 views

Advantages to doing an initial instrument rating training in a Cirrus over a conventional aircraft?

I live in Australia and I'm in the process of choosing a school for my instrument rating. I need feedback from the many of you out there with IFR experience willing to share their thoughts. I'm going ...
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1answer
252 views

Are there any IFR training plugins / addons for Microsoft Flight Simulator or X-Plane?

I am an IFR student, looking for software/plugins/add-ons/extensions to either Microsoft Flight Simulator or X-Plane to enhance the IFR training experience. Specifically, I was wondering if there was ...
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2answers
131 views

When a hold is distance based, do you still used a timed entry?

Let's say you have to do a parallel or tear-drop entry to enter this distance-based holding pattern. Do you still fly outbound from the fix for one minute and then make your turn inbound to re-...
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2answers
121 views

Distance to the runway/ touchdown point

Trying to learn about aviation, and looking through all the displays in the cockpit, and also the Garmin G1000, I am not sure where I see the distance to the runway touchdown point, or the start of ...
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0answers
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How much of an instrument approach must be in instrument conditions in order to qualify for currency as actual instrument? [duplicate]

I've always wondered if there is any guidance on logging of instrument approaches in actual conditions when the conditions are only actual for some portion of the approach. Hypothetical example: A ...
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1answer
405 views

May an instrument instructor log instrument approaches that a student flies in simulated conditions as approaches for currency purposes?

I was told by a fellow CFII today who says he was told this by a former DPE that a CFII who is providing training to a student can log that student's simulated instrument approaches as the instructor'...
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64 views

What does this line in Minimum Sector Altitude mean?

This is from the AIP Australia ENR 1.5-7 and I need some help interpreting it for my IREX please. In instances where the 25NM MSA has been divided into sectors, and the appropriate 25NM Sector ...
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2answers
179 views

Does ICAO allow continued flight in RVSM airspace after a transponder failure?

If a civil aircraft's transponder fails in RVSM airspace, can it still be allowed to fly in RVSM according to ICAO? And could it be allowed to fly in class A airspace, according to ICAO?
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1answer
93 views

When is a procedure turn not required? [duplicate]

If you are not being radar vectored to the FAF or on a “no PT” transition, are there any other circumstances where a procedure turn that is depicted on an approach chart is not required?
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1answer
98 views

Is the “auto-routing” created by online flight planning resources preferred by ATC over Direct routing when NO preferred route exists?

I noticed that when I use online flight planning resources, they provide an "auto-routing" option for my flight. I also noticed that they are the same between both services so it seems like both are ...
4
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1answer
278 views

When does the mandatory minimum climb gradient during an Instrument Departure Procedure end?

While studying FAA's Instrument Procedure Handbook, I noticed these minimum performance requirements for obstacle clearance, when a SID or ODP is absent for a particular runway: -- Cross the ...
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2answers
242 views

Is it ever allowed to list your destination airport as the IFR alternate too?

Is it legal (in certain conditions) to have your primary airport of intended landing, also listed as the alternate?
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1answer
278 views

For an airport to be designated as an IFR alternate, does it have to have a TAF?

For an airport to be designated as an IFR alternate, does it have to have a terminal aerodrome forecast at the alternate airport to confirm that the forecast 600-2 and 800-2 will be in place at the ...
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2answers
184 views

Do I have to follow airways to meet the IFR cross country 250 NM flight requirement in 61.65?

I understand that there is cross-country flight of "a distance of at least 250 nm along airways or ATC-directed routing" requirement for the IFR rating, but I'm not sure if understand what the second ...
4
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1answer
283 views

To use the equipment suffix “G”, does the GPS have to be certified for IFR?

To use the equipment suffix "G", does the GPS have to be certified for IFR flight?
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3answers
343 views

Is it normal to instruct an aircraft to squawk VFR if it goes around on an IFR visual approach? [closed]

A pilot is flying IFR on a visual approach to a towered airport. He elects to go around due to gusting winds and notifies the tower. The tower then asks his intentions. He replies that he would still ...
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1answer
187 views

Where can I find official definition of VFR and IFR? [duplicate]

I know that ICAO Annex 2 'Rules of the air' states rules such as general rules, visual flight rules, instrument flight rules, etc. And aircraft should fly in accordance with either visual flight rules ...
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1answer
162 views

For IFR flights that require two alternates, is there a regulation that requires enough fuel to reach the furthest one?

For flights that have two alternate destinations, I'm looking for a reference - either EASA or ICAO - that states that you need enough fuel to reach whichever alternate would require the most fuel to ...
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2answers
191 views

How to interpret/use “Fix Minimums” (at KALB)

This one stumped both myself and my CFI. Im specifically asking about the minimums at KALB IL/LOC 19 but a general answer is also appreciated. The plate lists two distinct sets of minimums and we ...
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0answers
133 views

Does an autopilot that controls roll, pitch and a yaw damper meet the requirements of 135.105(c)(1)?

For single-pilot VFR operations, 14 CFR 135.105(c)(1) requires that: The autopilot is capable of operating the aircraft controls to maintain flight and maneuver it about the three axes Does this ...
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2answers
335 views

Does an airport need to have at least one instrument approach that I can use in order to fly IFR to it?

Half Moon Bay (KHAF) does not have any instrument approaches into the airport that I can use. All the approaches require RNAV but my aircraft is not RNAV-capable. Can I fly IFR to it? I'm thinking ...
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1answer
874 views

What is the definition of mountainous area?

MEA, MORA, grid MORA, and MOCA for a non-mountainous area gives 1,000 ft clearance from the highest obstacle, and in mountainous area gives 2,000 ft clearance from the highest obstacle. But what is ...
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0answers
164 views

When to turn during missed approach when MAP not identifyable

Not a duplicate of When to go missed on a non-precision approach? please read carefully before duplicating this contains some subtle points. Reposting after clarifications that emphasise this is a ...
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3answers
628 views

When do I execute a missed approach on a LOC approach when I can't identify the MAP?

According to AIM 5.4.21(b): When an early missed approach is executed [...] fly the IAP as specified on the approach plate to the MAP at or above the MDA or DH before executing a turning ...
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2answers
617 views

What does the “visibility” number mean on an approach plate?

In the profile view in an approach plate, there is a visibility number next to the MDA or DA. What does it mean? Is it limitation to use the approach?
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1answer
166 views

How does turning Errors in the Air Driven Artificial Horizon work?

Turning through 90°, 180°, 270° & 360°, the error is different. I can understand what is turning error and pitch error individually. But why turning through different degree, the resulting error ...
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1answer
521 views

What are the specific side step minimums for an approach?

This question piques my curiosity a bit on this subject. In regards to circling approaches the AIM 5-4-19 states that a. ATC may authorize a standard instrument approach procedure which serves ...
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1answer
424 views

How to understand the requirements for IFR currency?

So the requirement reads "six instrument approaches; Holding procedures; and Intercepting and tracking courses through the use of navigation systems." I am still a little unclear on how to interpret ...
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2answers
238 views

Does an IFR flight at night in VMC count as “night VFR conditions” (FAR 61.129)?

FAR 61.129 several times uses the phrase “night VFR conditions.” Does this mean strictly flights conducted under VFR at night, or does it include night flights conducted under IFR but in VMC?