Questions tagged [regulations]

Regulations governing aviation worldwide or in any jurisdiction. Specific jurisdictions should use a more specific tag.

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70
votes
15answers
17k views

Why don't commercial airplanes carry Earth-observing instruments?

Governments and private companies spend hundreds of millions of dollars to send Earth-observing satellites to capture imagery or scan the terrain with lasers or radars. Meanwhile, commercial planes ...
48
votes
6answers
31k views

How close can planes fly to each other over the ocean?

While on a recent Air Transat flight from Toronto Pearson to London Gatwick, several hours into the flight and over the Atlantic Ocean, my daughter and I noticed a plane behind ours to the left, ...
44
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5answers
7k views

Can ATC handle a flight as emergency although the pilots have not declared an emergency?

The preliminary report for the LNI610 crash shows how much distractive conversation there was between ATC and LIN610 at a time when the pilots clearly didn't have the aircraft under control – as ...
39
votes
6answers
29k views

Do lights on aircraft flash in a specific pattern?

On a clear night, everyone can spot planes quite easily: they have flashing lights. I have noticed that the pattern seems different for different planes, and tried to find a meaning. What I saw so ...
31
votes
3answers
8k views

Why was a flight delayed because of a bird in the cockpit?

This Washington Post article is about a Delta Airlines flight that took off after an initial delay, before turning back again shortly after, because of a bird that managed to stowaway in the cockpit. ...
29
votes
3answers
18k views

How flat does a runway need to be?

I always assumed that big runways are flat (or more specifically straight: they might have a slight slope in either direction), but while watching some crosswind landing footage shot at Birmingham ...
27
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4answers
5k views

Is there any way to relieve the Pilot in Command?

Is there any way to relieve the Pilot in Command besides hijacking and incapacitation? This question comes from a comment by rackandboneman, who says: And whose authority is sufficient to make an ...
25
votes
1answer
3k views

Why are electric shavers specifically permitted under FAR §91.21

This struck me as a bit strange, 91.21 which covers electronic devices that can be used during IFR flight has some exceptions, one through three make logical sense (not really sure why portable voice ...
23
votes
5answers
4k views

Is there a legal requirement to tell your doctor you are a pilot?

Specifically if I visit a doctor in Canada who is not a CAME for my regular aviation medical, do I have to tell him/her that I have a pilot's licence? You can imagine why I'm asking. I just ...
23
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6answers
20k views

Can a passenger request to visit the cockpit during a flight?

As a kid, I remember going to the cockpit of a plane with my mom (I believe the airline was AOM French Airlines). Is this still possible now? I understand the answer might differ with different ...
22
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3answers
23k views

When does a flight require a copilot?

I was wondering if there are regulations for when a flight requires both a pilot and copilot. I always assumed a copilot is required once civilian passengers are aboard, but when I recently was a ...
21
votes
4answers
7k views

Are seaplanes allowed to taxi in residential areas?

There's a small pond/lake behind my house. A sea plane was just going around it. It was very loud and got like 10 feet from the shore. It's just going in circles and won't take off and leave. This is ...
21
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2answers
9k views

Can a pilot take off at his own discretion?

[I'm referring to an ATC conversation during the military coup in Turkey with an MD83 EP-TAS (ATA TBZ5402). Can a pilot take off at his own discretion? To summarize the link: a pilot is begging the ...
21
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4answers
64k views

Can civilians buy military aircraft?

Say one wanted to buy a retired F-14, or F-5, or a BAE Hawk. Could I do it? Obviously this would mean stripping out radars, weapons, rwr, and any other sensitive equipment, but after this, would it ...
20
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7answers
3k views

Does Daylight Saving Time affect local airspace?

Only some countries use Daylight Saving Time. In Canada, some provinces use and don't use DST (such as Saskatchewan). However, in remote and local regions where this is not observed, what would happen?...
20
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3answers
25k views

What is the minimum distance allowed between two parallel runways?

Is there an international regulation for this matter or does it differ from one country to another?
20
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1answer
19k views

What is the difference between aviation “accident” and “incident”?

When I hear speaking about aviation crashes, sometimes I hear about "accidents" and other times about "incidents". What distinguishes them? Is there an international standard that determines how ...
19
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2answers
3k views

Why do Turkey and UAE limit the age of aircraft flying over their territory?

Why do the civil aviation authorities of Turkey (15 years civil, 25 years cargo) and United Arab Emirates (20 years) limit the age of aircraft flying over their territory? I think if an old plane ...
19
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3answers
4k views

Are there regulations for the field of view from cockpits?

Are there any design or ergonomic regulations with regard to the pilot's vertical and horizontal vision angles from the cockpit? For example, pilot should see space 30 deg. above and 20 deg. below ...
18
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3answers
8k views

Has anyone ever been penalised for buzzing a control tower?

Has there ever been a pilot who was caught and penalised for performing a "circus stunt fly-by" next to a control tower? To clarify the question: I mean legal actions took place; for example ...
18
votes
2answers
3k views

What are the regulations regarding plane spotting in the US?

I was told that certain plane spotting activities like taking photos of aircraft taking off and landing could be illegal in the US since 9/11? What are the regulations on this, and what should I be ...
18
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3answers
4k views

Is there a height limit to national airspace?

Given the following facts: satellites can operate at an altitude of 200km without triggering frontier violation incident aircraft can trigger diplomatic protestations if they cross a frontier at an ...
17
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3answers
4k views

Why is the sound quality of onboard public address so bad?

While not a frequent flyer, I did fly common airliners quite a lot, and each time the (very) low sound quality of onboard public adress system has always struck me. We all know technology makes it ...
16
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1answer
2k views

Why are speed restrictions imposed for flights flying below 10,000 ft?

I know that restrictions do not always apply and ATC can cancel them or pilots can request for speed restriction being canceled. But why is there such a speed restriction in first place? Are there any ...
15
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6answers
3k views

What is the maximal acceptable delay between pilot's input and flight control surface actuation?

While I was watching a cockpit video of an A330 landing in which the pilot was frenetically moving its sidestick, I wander what was the reaction time of this flight by wire system. Indeed, the time ...
15
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3answers
1k views

What regulations exist for ATC real time RADAR simulator software?

Does professional ATC RADAR simulator software need to comply to some regulations or requirements in order to be used for real life controller training? Have ICAO, Eurocontrol, EASA or FAA published ...
14
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3answers
2k views

Which situations would cause a company to ground or recall a aircraft series?

Which agencies or companies might decide to ground an aircraft series, and in which situations can this occurr?
14
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3answers
3k views

Can state or local laws regulate where aircraft can take off and land?

Say you have as private strip, but your neighbors get tired of hearing your plane. Can the local authorities pass, and enforce a law saying you can't take off and land there? Or do FAA rules override ...
13
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4answers
5k views

Can a passenger drone perform auto-rotation?

(Source) The Dubai Drone is an Ehang passenger drone planned to start commercial services in July 2017. If there is a failure, can such an electric multi-copter auto-rotate a landing? I'm wondering,...
13
votes
2answers
2k views

Is stall recovery training mandatory for Airbus pilots?

The recent reports about the Air Asia Flight 8501 crash mention that the plane was stalled and that the pilots could not recover from the stall. Indonesia's National Transport Safety Committee ...
13
votes
1answer
569 views

Where can I find regulations in different countries for flight level rules based on direction of flight?

I'm from Brazil, and here we use the West/East rule, so we use an odd flight level when we fly between 0/360 - 179, and when we fly between ...
13
votes
1answer
1k views

What is the relation between number of crew members (pilots and attendants) and fleet size in airlines?

Taking into account relevant elements like the fleet size or the type of flights (short or long haul, passengers or cargo, ...), do airlines use typical ratios between the number of aircraft and the ...
12
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1answer
1k views

Is defacing the airline logo of a wrecked airplane illegal?

I was listening to episode #25 of the Hello Internet podcast where Brady Haran mentioned that it's not unheard of for airline employees to rush to their own airplane's respective accident scene to ...
12
votes
1answer
38k views

What is the main difference between an ETOPS certified and non-ETOPS certified plane?

ETOPS stands for Extended-range Twin-engine Operational Performance Standards, a rule which permits twin engine aircraft to fly routes which, at some point, are more than 60 minutes flying time away ...
11
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3answers
5k views

Are there any mandatory announcements that a captain has to make?

Are there any announcements that a captain of an aircraft must make that is reinforced by law or a rule? (This is concerning all countries)
11
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2answers
859 views

Can an airport fine an aircraft for being too noisy?

I stumbled upon this article (sorry, in French!) stating that in order to avoid fines, Ryanair pilots start take-off procedures at the beginning of the runway (rather than at the "intersection"), with ...
11
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3answers
2k views

What is the effect of non-LASER light sources on pilots?

After all the media coverage about people pointing lasers at commercial aircraft, I started to wonder what was so special about lasers. It seems to me that the amount of distraction that could be ...
11
votes
3answers
694 views

Can a pilot act as cabin crew member?

If several standby cabin crew members called in sick and there are no more available can standby pilot called to perform cabin crew member duties? Probably it would be more economical than postpone ...
11
votes
1answer
1k views

What permissions or approval are needed to land in Antarctica?

Can I land at Jack F. Paulus Skiway (NZSP) with just an ATC clearance? Or do I need to ask some other authority before I fly there? Are there any regulations regarding 'landing rights' in Antarctica? ...
11
votes
1answer
393 views

Is there research suggesting that VFR cruise altitude rules improve safety?

In the United States, 14 CFR 91.159 prescribes cruising altitudes for level flight under VFR: (a) When operating below 18,000 feet MSL and (1) On a magnetic course of zero degrees ...
11
votes
1answer
372 views

What is the history of the aircraft logbook?

I need to know when the mandate to maintain a logbook started. Was it a US requirement, or was it from another regulator in the world? Did the aircraft logbook start at the same time as the pilot ...
10
votes
1answer
1k views

Can civilians who buy ex-military fighter jets get the necessary maintenance information for them?

I was looking for fighter jets which are available to be bought by private citizens. I was wondering: how would you schedule the maintenance, as most of the jets are ex-military and there are no ...
10
votes
1answer
583 views

Are some countries' civil aviation authorities safer than others?

Okay, put down the pitchforks, I'm not pointing fingers at anyone! I'm just aware that every country has its own civil aviation authority, and I wonder if there's any reason to believe that some ...
10
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1answer
4k views

Are life jackets mandatory on planes that will never fly over water bodies?

Supposing I'm a regional carrier and my routes never pass over water bodies (sea or lakes which are over a certain size). Am I obliged to carry life jackets on my plane?
9
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3answers
5k views

How or when can the 250 KIAS speed limit below 10,000ft be exceeded?

This arose out of a comments discussion in this question. The only airspace I really know is the UK. Here, a controller may issue a clearance to exceed the 250kt limit below 10,000ft for reasons ...
9
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1answer
5k views

How do pilots use stopway, EMAS, clearway and displaced threshold?

I noticed in Why is “clearway minus stopway” used in V1 adjustments? that a stopway and an EMAS are both indicated by yellow chevrons: Same Opa-Locka stopway on the left, and San Diego EMAS on the ...
9
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1answer
4k views

Are the size and location of the registration number regulated?

On modern airliners, how large are the registration numbers? I know they are on the tail, but are they also under a wing? Do the regulations vary by country? If so, what is the US regulation?
9
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4answers
2k views

Is it legal for an SEP airplane to fly above its service ceiling?

Let's take a Cessna 172R for example. According to the POH this airplane has a service ceiling of 13,500 ft. I know that the service ceiling is the maximum altitude where a 100 foot per minute climb ...
9
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2answers
2k views

How did ICAO SARPS come to include the 250 knots speed limit for aircraft below 10,000 feet?

In certain airspace classes, a speed limit of 250 knots IAS is imposed for aircraft flying below FL100/10.000FT, according to the airspace classes defined by ICAO. How did this limit find its way into ...
9
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3answers
653 views

Do “water bomber” aircraft pilots have more relaxed rules?

I have no exposure to aviation regulations, but I'm curious if some rules are different for emergency aircraft pilots. Similar to ambulance drivers and police officers being allowed to speed or run ...