All Questions

14
votes
5answers
3k views

Should depressurization be considered in the event of an inflight cabin fire?

Uncontrolled cabin fires only need a few minutes to spread throughout the cabin of an aircraft, killing everyone onboard and destroying the airframe. Now, we all know that depressurization and fire ...
15
votes
2answers
2k views

Did Airbus add an audible alert when the autopilot partially disengage after the crash of Aeroflot Flight 593?

The major reason that lead Aeroflot Flight 593 to crash was the partial disengagement of the of autopilot (by the pilot's kid who was in the cockpit) which could have been avoided if the pilots were ...
15
votes
5answers
10k 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 ...
6
votes
1answer
5k views

Which approach category minimums should I use when conducting an instrument approach?

FAR 91.3 says: Aircraft approach category means a grouping of aircraft based on a speed of VREF, if specified, or if VREF is not specified, 1.3 Vso at the maximum certificated landing weight. ...
13
votes
2answers
4k views

What restrictions apply to flying RC and UAV planes in India at very low altitudes?

We are working on a UAV and will soon get to the testing phase. We intend to fly at a maximum altitude of 300-400 meters. I wanted to know as to what restrictions apply to the airspace in India (...
11
votes
3answers
1k views

How common are conformal fuel tanks?

I know that the F-16 (F-16I and Block 50/52/60 models) have conformal fuel tanks standard now on top of the wing/fuselage area. The Silent Eagle model of the F-15E proposed by Boeing for South Korea, ...
14
votes
5answers
5k 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 ...
17
votes
5answers
8k views

What can a new commercial pilot do to build flight time?

Most new commercial pilots don't have a lot of flight time, so won't be hired by the airlines or corporate operators. A lot of operations require an air carrier certificate (even though they are a "...
15
votes
3answers
2k views

What is the best altitude to penetrate a thunderstorm?

135.293(a)(7)(iii) requires that pilots be tested on: (iii) Operating in or near thunderstorms (including best penetrating altitudes), turbulent air (including clear air turbulence), icing, ...
12
votes
2answers
3k views

Why do only some aircraft require tail anti-icing?

Why do some aircraft require anti-icing on the tail while others (Dassault Falcon Jets, Boeing 737, 747, etc.) don't?
4
votes
1answer
2k views

What is the actual range of ICON A5?

Does anyone currently own or have experience flying an ICON A5 aircraft? They claim a range of 300 NM (555.6 km). I would like to know whether this is a theoretical calculated range, or a true/actual ...
11
votes
1answer
1k views

How to decide on a rate of climb or descent if no specific vertical speed is required?

Obviously, obstacle clearance, charts, atc instructions etc. can require a specific rate of climb or descent, or at least pose limits that are easily calculated. When no such restrictions apply, there ...
24
votes
4answers
3k views

How are VORs oriented near the magnetic poles?

I noticed on SkyVector that, for example, the Resolute Bay VOR (YRB) and Baker Lake VOR (YBK) seem to be oriented in such a way that the 360 radial is pointing in the direction of true north (and I ...
5
votes
1answer
1k views

What is the procedure to climb and level off using a Bendix/King KAP140 autopilot?

What's the procedure to use the Bendix/King KAP 140 autopilot in the Cessna piston singles to climb to a certain altitude and then capture it and level off?
9
votes
2answers
987 views

Why should isobars be aligned with the leading edge of the main wing for a transonic cruiser?

When designing an airplane meant to cruise at transonic speeds (or supersonic speeds), I heard that one should look at the isobars on the main wing in order to assess if the shape, sweep angle and ...
20
votes
2answers
6k views

When is pre-heating a piston engine important, and how does one pre-heat correctly?

As temperatures here in New York plunge toward (and below) freezing it's time for those of us without nice heated hangars to start thinking about pre-heating our aircraft before we turn the key. ...
12
votes
2answers
1k views

To receive an SVFR clearance, does the airport need to be reporting IFR conditions?

If conditions at a towered airport are not IFR, can pilots request a special VFR clearance? For example, at a Class D airport, ceiling 1300 broken, 10 sm visibility is technically too low to remain in ...
17
votes
1answer
2k views

Why the different wing and tail designs in similar sized jets vs turbo prop?

I was flying on Porter Airlines and they had an info card about how similar the Bombardier (I still say DeHavilland) Dash 8 Q400s are to the Bombardier CSeries they have ordered. There was a cool ...
13
votes
2answers
1k views

Can a person with Type 1 Diabetes get a medical and learn to fly?

A friend of mine has had Type 1 diabetes most of his life, and has it well under control. How does he go about finding out if he can get his medical and learn to fly?
10
votes
1answer
1k views

What should I look for / check during an oil change?

Piston aircraft engines require regular oil changes, and at least in the US it's something the FARs allow an owner with a private pilot certificate to do. What are some of the things I should look ...
7
votes
1answer
266 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?
11
votes
1answer
443 views

When sharing an airplane, what liability does the owner bear?

What liabilities apply to the owner of an aircraft who allows other pilots to use his aircraft for not-for-profit and non-commercial use? Example: An aircraft owner has a friend that wants to use ...
14
votes
4answers
5k views

Is it required to contact approach when flying VFR into a Class D airfield?

Is it required when under VFR to contact an airfield's approach when approaching to land at a class D? KDLH is my example airfield. They possess independent radar approach and departure (same ...
24
votes
1answer
3k views

What are the restrictions on performing intentional spins?

I know there is controversy over the safety and utility of performing spins for training, but what are the regulations limiting them for training (solo and dual) or 'just for fun'?
26
votes
3answers
2k views

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 ...
11
votes
2answers
28k views

Is there a difference between MEA and MOCA within 22 nm of a VOR?

As we all know from our instrument training, the MOCA is: MINIMUM OBSTRUCTION CLEARANCE ALTITUDE (MOCA)- The lowest published altitude in effect between radio fixes on VOR airways, off-airway ...
7
votes
2answers
3k views

Do 121.5 MHz ELTs have to be replaced with 406 MHz models?

There has been a lot discussion about replacing 121.5 MHz emergency locator transmitters (ELTs) with 406 MHz ELTs, since 121.5 MHz ELTs are no longer monitored by satellite. Are private planes ...
24
votes
2answers
8k views

What's P-Factor and why does it occur?

Whenever I hear anyone talking about P-Factor, (whether it be single-engine left turning tendencies or multi-engine loss of directional control scenarios), someone always brings up the fact that the ...
27
votes
9answers
6k views

What is ground effect?

We've all heard the "acts like a cushion of air" explanation tossed casually around by CFIs. There's also plenty of books and reference materials that give a detailed, accurate, and complete ...
10
votes
1answer
1k views

When and how can pilots waive wake turbulence holds in the US?

According to FAA rules, controllers are required to hold aircraft 2 or 3 minutes for wake turbulence under certain conditions. When is that wake turbulence hold required, and when are pilots allowed ...
7
votes
1answer
287 views

How do oceanic lateral offset procedures work?

I was reading a forum for professional pilots and ran across a thread on lateral offset procedures during oceanic flight (apparently having the FMS offset the aircraft from the centerline of an ...
9
votes
1answer
7k views

What are the US definition and restrictions on aerobatic flight?

In the US, what is the legal definition of aerobatic flight? What are the restrictions (both for the aircraft and its location/maneuvers) applied to aerobatic flight? I remember reading something ...
12
votes
2answers
2k views

What US customs procedures must the pilot of a private aircraft follow when traveling in and out of the country?

As the Pilot In Command of a private aircraft, what are the customs procedures that must be complied with before leaving, before returning, and upon arrival to the USA?
14
votes
1answer
13k views

What's the difference between a two-blade prop and three-blade?

I read that a three blade can improve climb performance and decrease noise. How does that work?
6
votes
1answer
352 views

How can I customize my training to become a flight instructor?

I plan on starting my flight training soon at the age of 41, but I don't want to stop at PPL and simply fly for fun: I want to ultimately be a CFI. With this goal in mind, my question is what ...
14
votes
3answers
742 views

Is English sufficient for international aviation?

Is it possible to fly internationally understanding only English for radio communications? Are there exceptions?
7
votes
2answers
452 views

When are flight tracks publicly available?

Is there a way to make sure a flight is tracked on flightaware.com or similar sites? Similarly, is there a way to prevent a flight's track from being available to the public?
16
votes
2answers
4k views

When should a transponder be used?

When should a transponder be turned turn on? On the ground? Always in flight? Only when required: during radar service (flight following), above 10,000ft MSL, inside the Mode C Veil, or on IFR flight?...
21
votes
6answers
4k views

Can you tell ATC you are a “student pilot” when you are not?

Many pilots who are not native English speakers have a hard time when they start flying in the U.S. because of the pace and sometimes elaborate instructions given to pilots by controllers. The advice ...
21
votes
1answer
2k views

Is it legal and safe to take off or land in zero visibility?

Is it legal for planes to takeoff and land in zero visibility? Is it safe?
10
votes
1answer
2k views

What is an Air Defense Identification Zone (ADIZ)?

China recently caused some controversy by announcing an Air Defense Identification Zone (ADIZ) in the East China Sea. There is also an ADIZ surrounding most of North America. What exactly is an ADIZ ...
25
votes
4answers
12k views

Which ATC instructions should be repeated back by the pilot?

AIM 4-4-7 (b) says: Pilots of airborne aircraft should read back those parts of ATC clearances and instructions containing altitude assignments, vectors, or runway assignments as a means of ...
18
votes
2answers
6k views

What causes aileron and elevator flutter?

This video shows a Hawker jet with the wing fluttering up and down like it's about to break. What can cause flutter like that? Can it actually cause a wing or stabilizer failure? How can flutter be ...
4
votes
1answer
176 views

How to determine if an aircraft type is currently under investigation?

The Boeing 737 flew for several years despite rudder issues which had not been fully understood and resolved. It's conceivable that flyers who avoided the aircraft had had less probability of injury ...
13
votes
2answers
15k views

How do I convert true heading to magnetic heading or the other way around?

Is there a method by which the conversions can be achieved on the fly by using a mathematical formulae and not using specific area charts?
12
votes
2answers
3k views

What restrictions apply in international airspace?

What restrictions are there on a flight in international airspace? For example, if you fly into the Pacific Ocean more than 12 miles (or whatever the distance is) offshore, are you free to fly any ...
18
votes
6answers
2k views

What are the factors that limit how long an aircraft can stay aloft?

The most obvious one is fuel. Many modern military aircraft, however, are capable of refueling in mid-air. Crew fatigue, another obvious one, can also be addressed by rotating a crew out, and is a non-...
12
votes
1answer
1k views

What is an Airworthiness Directive?

Aircraft which have been in service for a long time often have a lot of entries in their logbooks for Airworthiness Directives (ADs). What are they, and why are they important?
19
votes
3answers
5k views

Do pilots using an electronic flight bag need to carry paper charts?

If a pilot uses an electronic flight bag (say, an iPad with ForeFlight or WingX), are they required to carry paper charts as a backup? Do different rules apply to operations under Parts 91, 121, and ...
11
votes
2answers
845 views

If skydivers cannot jump on a flight, what should I take care of when landing?

Piloting an aircraft, if skydivers cannot jump on a flight, what should I take care of when landing? Are there any special recommendations which should be taken into account?

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