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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17
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4answers
19k views

Is LPV considered a precision approach?

WAAS LPV approaches can have decision altitudes as low as 200 AGL, the same as many Cat I ILS approaches. Previous opinions on the Internet have quoted the FAA as saying LPV is considered a non-...
13
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1answer
1k views

Do non-towered airports commonly have ILS?

Is it common, uncommon or rare for a non-towered airport to have ILS (Instrument Landing System) runways? Can a non-towered airport have ILS?
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2answers
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Who is responsible for aircraft separation in IFR (limited/no visibility)?

I was reading how-much-is-the-minimum-safe-distance-between-two-planes-in-flight and realized part of it confused me (or maybe I'm just tired.)1 In a low- or no-visibility environment (i.e. under IFR ...
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3answers
16k views

How do pilots decide what their cruising altitude will be?

When filing a flight-plan for a long-haul high-altitude IFR flight, how do pilots select a specific cruising altitude? Typically in the range of 25,000 - 35,000 ft.
18
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4answers
2k views

Airplane longitudinal control: pitch or power?

I recently came across some slides from a flight school teaching, for the initial climb after take-off and for the approach, the strategy of controlling/adjusting RoC/RoD with power Speed with ...
12
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5answers
2k views

Can pilots fly circling approaches at non-towered airports?

So the answer in my mind is "of course pilots can fly circling approaches at non-towered airports" (seriously, I could swear that I've done it before, but then again I can't think of any specific ...
19
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1answer
876 views

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 ...
12
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2answers
6k views

What are the pilot responsibilities for “maintain visual separation” clearances?

ATC will sometimes give pilots the instruction to maintain visual separation from nearby traffic. I have a couple questions about this: There is a related ...
11
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2answers
5k 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: ...
9
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2answers
1k views

How are “expect” altitudes on STARs used?

STAR charts often have expected altitudes. For example: This is, of course, different from mandatory crossing altitudes, and it seems a STAR with only expected altitudes would be insufficient for ATC ...
14
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2answers
6k views

How should I request an IFR approach at the end of a VFR flight?

Here's the scenario: The flight starts night VFR, with broken ceiling at destination (class C airspace) and expected to improve according to the pre-flight abbreviated briefing. I'm IFR certified but ...
14
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1answer
989 views

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 ...
9
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1answer
8k views

Can an aircraft operate IFR without ground-based navigation?

If I were to redo my avionics to only include a WAAS GPS unit and two comm radios, would anything prevent me from operating IFR? 14 CFR 91.205(d) only states that my airplane must have: (2) Two-way ...
15
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1answer
7k views

How do you open and get a IFR clearance while in the air?

I once had a traffic controller give me a hard time about how I requested IFR clearance once in the air. I had previously filed an IFR flight plan, and took off from my untowered home airport. On ...
13
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4answers
5k views

When/How may I replace the Turn Coordinator with an Artificial Horizon?

I've seen a few panel shots where the traditional turn coordinator has been replaced with a second artificial horizon, as shown below. The benefits seem obvious - if my artificial horizon failed I'd ...
7
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1answer
8k views

What is a “Descend Via” clearance?

When flying to Teterboro, NJ (KTEB) and cleared via the JAIKE THREE ARRIVAL from Flat Rock (FAK): What does ATC expect when they give a clearance like: N1234, Descend VIA the JAIKE THREE ARRIVAL ...
15
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1answer
66k views

What are the FAA requirements for an aircraft to be IFR certified?

As I understand it, the FAA certifies certain aircraft types for IFR flight in general. All aircraft of that type are then certified, not something you have to do with each individual aircraft. What ...
8
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3answers
2k views

How safe is IFR in class E?

In class D and E airspace, there is no separation between IFR and VFR traffic. However, most airspace in the United States below 18,500 feet MSL is class E airspace, which is exactly where non-...
16
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2answers
20k views

How do you request a “pop up” IFR clearance?

If you are flying VFR into deterioration weather conditions and would like to continue the flight under IFR, or you would like to climb to a better altitude but are restricted by a cloud layer, what ...
12
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3answers
4k views

What is the procedure when being vectored for an approach and ATC allows you to pass through the final approach course?

If you are on a heading, being vectored to intercept final on an instrument approach, and it appears that you will fly through the final approach without being cleared to intercept it, what should you ...
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 ...
10
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2answers
29k 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
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1answer
4k 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
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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?
6
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2answers
2k views

Can I log instrument flight time for currency purposes in an Advanced Aviation Training Device (AATD)?

Advisory Circular AC 61-136 which outlines the approval and limitations of flight training devices seems to contradict 14 CFR 61.57(c). To what extent can I use an AATD for instrument currency? In ...
12
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5answers
16k views

Are there any LSA aircraft that can be flown IFR in IMC?

Are there any LSA aircraft that are IFR certified? A LSA would be the perfect private commuter plane for an instrument rated private pilot. If not, what are the most cost effective airplanes that are ...
12
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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 ...
18
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2answers
40k views

How much should it cost to get IFR-rated? What to look for?

(Related to this question) Many pilots have told me that an IFR rating is the most valuable thing i can do to improve my flying and margin of safety. I know there are courses as quick as, "Get ...
20
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1answer
830 views

Is it legal to take off with an iced windscreen?

Looking at this video on Youtube, I'm wondering if it is actually legal to take off with a windscreen iced like that? For VFR this is a no go, but what about IFR and under what conditions?
7
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1answer
928 views

Is Part 91 Instrument currency for SIC similar to Part 135 requirements?

Part 135 instrument currency in a jet aircraft requiring two pilots, requires both pilots to be instrument current. But how about the same situation for a Part 91 flight? Does the SIC need to have his ...
22
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4answers
10k views

Can you bust a TFR while operating under IFR?

Is it possible for the pilot to be held responsible for violating a Temporary Flight Restriction if the controller makes a mistake while you are operating under an Instrument flight plan (ie: does not ...
16
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5answers
11k views

Is an alternate airport always required when flying internationally?

When flying a domestic US flight, an alternate airport is not required unless the weather is below specific minimums at the destination. What are the rules when on an international flight plan and ...
16
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5answers
7k views

Are you required to report leaving an altitude if you have been given a crossing restriction?

If ATC gives me a clearance to cross a fix at a specific altitude or a descent at pilot's discretion and I read back the clearance, is my readback considered the report specified in the AIM, or do I ...
7
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1answer
294 views

Do Special MEA altitudes and routes in Alaska require WAAS?

Low Enroute IFR charts in Alaska (and maybe elsewhere?) have blue routes and MEAs for GPS equipped aircraft, such as T266, 7000G MEA, below. Is an IFR GPS sufficient to use these, or is WAAS required?
23
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3answers
4k views

What are the weather requirements to log an instrument approach?

So let's assume that I'm the sole manipulator of the flight controls in an aircraft in which I'm rated and that I fly an instrument approach. What weather does the FAA require (assuming that I'm not ...
16
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1answer
7k 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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