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.

Filter by
Sorted by
Tagged with
0
votes
5answers
184 views

Why are primary and supportive instruments in instrument flying different depending on the phase of flight?

For example, in straight-and-level flight, the power's primary instrument is the Air Speed Indicator (ASI), and the supportive are the engine instruments. In another example, straight constant-...
24
votes
6answers
5k views

Why does flying IFR require a rating?

It may seem like a silly question, but my analogy is, some countries issue automatic-transmission-only driving licenses. Automatic transmission in this case would be the powerful avionics now ...
1
vote
1answer
105 views

When does an instrument approach “begin” per §135.225(a)

§135.225(a) states that, "...no pilot may begin an instrument approach procedure to an airport unless— (1) That airport has a weather reporting facility operated by the U.S. National Weather Service, ...
10
votes
2answers
3k views

Is there a penalty for changing the approach procedure after accepting one?

For example: If you request a visual approach and get approved, but you meant to request an ILS approach, are you not allowed to change it? Is there some type of penalty for changing approaches after ...
2
votes
1answer
64 views

A Question about Departure Procedures at KLRU

The Las Cruces International Airport has the following text in the Takeoff Minimums and ODP document: LAS CRUCES, NM LAS CRUCES INTL (LRU) TAKEOFF MINIMUMS AND (OBSTACLE) DEPARTURE ...
1
vote
3answers
110 views

What is the proper phraseology for a clearance with a named obstacle departure procedure?

The Phoenix Mesa-Gateway Airport (KIWA) has a named obstacle departure procedure - the Phoenix Departure. What's the correct phraseology for when clearance assigns it to you? Is it "N123AB, cleared ...
11
votes
3answers
1k views

Why is there a helicopter visibility reduction restriction for this approach?

For the RNAV (GPS) RWY 17 approach at KSMN, why does it say "Helicopter visibility reduction below 3/4 SM NA."? Looking at the LNAV, there is a 5 mile visibility requirement and if we cut that in ...
4
votes
0answers
41 views

What is CBIR & Basic IR?

I know that the IR - Instrument rating - is the full-blown option to be allowed to fly IFR. I also know that EIR - En-route Instrument rating - is an option to have a license that's restricted to fly ...
0
votes
2answers
115 views

What is required by and for flights that cross borders in terms of border control?

This can apply to countries that have water in between, like the UK-France or US-Canada. If an aircraft crosses into neighbouring country, does it need to go to a border-controlled airport (with ...
1
vote
3answers
140 views

How long is a climb leg in a step-climb cruise flight segment allowed to take, according to regulations (FAA/EASA)?

I am working on a trajectory optimisation program for commercial, large aircraft, in which I want to incorporate realistic air traffic control regulations. One of the constraints I want to incorporate ...
5
votes
2answers
150 views

If the airport reported BKN002, would that prevent performing a DH 259' approach?

According to this Instrument Approach: The published Minimums are a Visibility of 1300 m, and a DH of 259 feet. In accordance with ICAO, would the Visibility and Ceiling be above the Published ...
7
votes
4answers
2k views

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

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?
2
votes
2answers
163 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?
8
votes
2answers
62k views

What are “Alternate Minimums”?

As I asked question about weather minimums yesterday, I've read some material including TERPs. And In the FAA 8260.3b, 'Taking and Landing Minimims' 3.1 there is one sentence "alternate minimims, when ...
11
votes
2answers
4k views

Can I log time in a Cri-Cri twin-engine aircraft?

I was looking at potential experimental projects when I read this fascinating website about a tiny aerobatic-capable twin-engine airplane. It's light enough to be an ultralight, but much too fast: ...
5
votes
2answers
760 views

Is it permissible to log an instrument approach for purposes of IFR currency in a non-IFR certified aircraft?

Assume you maintain VFR at all times and you have a qualified safety pilot on board. Can an IFR rated pilot fly practice approaches under the hood (view-limiting device) using an aircraft that is not ...
1
vote
1answer
104 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, ...
19
votes
1answer
3k views

What are the reasons for autopilot restrictions on instrument approaches?

On some instrument approaches, the autopilot-coupled approach is not authorized (or not authorized below a certain minimum). For example, Autopilot-coupled NA (MRY: ILS OR LOC RWY 10R) Autopilot-...
3
votes
2answers
103 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 ...
5
votes
0answers
84 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 ...
2
votes
2answers
119 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 ...
0
votes
1answer
76 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.
12
votes
5answers
22k views

Where does the final approach segment begin on an ILS approach?

Where does the final approach segment begin on an ILS approach? It may not be as simple as it sounds to answer. The reason I ask is because I've found some support for at least two answers. One is ...
1
vote
1answer
56 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 ) ?
1
vote
1answer
181 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
votes
1answer
121 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?...
11
votes
1answer
1k views

Can I fly IFR in VMC if my instrument rating is not current?

If my IFR rating is not current, does this mean I can't fly by IFR, or does it just mean that I can't fly in IMC? It seems that if it's just the latter, then it would make sense to fly IFR if the ...
14
votes
4answers
3k views

How do pilots align the HUD with their eyeballs?

In fighter jets, how do pilots align the HUD with their eyeballs?
4
votes
2answers
3k views

Can a flight instructor without instrument rating legally provide instrument training?

In the US the FAA requires student pilots to receive at least 3hrs of instrument flight training. Can a flight instructor that does not hold an instrument rating legally provide a private pilot ...
3
votes
1answer
1k views

How does the FAA BasicMed affect the safety pilot for somebody flying under the hood?

When one pilot is practicing instrument flying with a view limiting device (a "hood"), a licensed pilot needs to be along to watch for traffic (the safety pilot). There are several scenarios where ...
3
votes
0answers
268 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 ...
2
votes
1answer
577 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'...
4
votes
1answer
193 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 ...
4
votes
0answers
100 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 ...
3
votes
1answer
148 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 ...
3
votes
1answer
1k views

Can I do an instrument rating checkride in an experimental aircraft?

The EAA has a document that strongly suggests that IFR operation in Experimental Aircraft is legal. The necessary equipment is described in 91.205. Provided all this is met, as well as all other IFR ...
3
votes
0answers
92 views

Are ASR and PAR approaches commonly used in Europe?

How common are ASR and PAR approaches these days? Are they still practiced anywhere in Europe?
9
votes
3answers
478 views

Navigate to the final approach course after radio failure under IFR

What would ATC expect the pilot to do if, at the position marked below by the red X, the aircraft lost radio communication and was on a radar vector heading 250 degrees at/assigned 3000 msl and the ...
1
vote
1answer
125 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 ...
2
votes
1answer
98 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 ...
2
votes
2answers
255 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?
1
vote
1answer
163 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 ...
1
vote
1answer
60 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
votes
1answer
99 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 ...
6
votes
2answers
242 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 ...
4
votes
1answer
367 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 ...
6
votes
3answers
2k views

Who checks “Pilots flying without flying licenses”?

One weird thing came to my head In the ground, Everytime you drive an 91 CRX SIR/Civic Si EM1 or ride an Honda Dirtbike There is an possibilty of getting busted by the cops waiting in the temporary ...
5
votes
1answer
261 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 ...
3
votes
1answer
331 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 ...
3
votes
2answers
162 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-...