All Questions

I am looking into a business idea that requires glider sized semi-automatic drones but I am very naive when it comes to the regulations and rigour of the aviation and airline industry, so I am hoping ...

I have searched the forum and the internet but can't find the answer to my question. Would the 10% increase in fuel efficiency from BLI function at supersonic speeds? The 10% increase is the number I ...

Just an enthusiast here; pardon the dumb question. Im a little confused between the difference of a stall and airspeed low. “An aircraft Stall Warning System is that system which provides the pilot ...

Southwest Airlines flights were delayed and cancelled this week due to an outage in their third-party weather provider. I understand if they have a streamlined business process for getting weather ...

I need creat airfoil which canIf the airplane is designed for low-speed flight, a thick airfoil is most efficient, whereas a thin airfoil is more efficient for high-speed flight. There are generally ...

Is this an accurate description of inspection differences regarding type certification? For the basis of certification the FAA utilizes Organization Designation Organization (ODA) for Direct ...

I am trying to learn how compressor disks and shaft are connected each other. I don't have any idea about the terminology so I couldn't find anything useful. Here is a section view of a sample and I ...

According to ICAO are there any certain restrictions to naming a taxiway? For example: a certain letter cannot be used it cannot have letters that match a parking stand etc.

Below is the link showing a fire fighting aircraft From 0:23 to 0:45 an LED array can be seen. The peculiar thing about that is as aircraft approaches the site, all ...

non-aviation expert here doing a project for a friend. I am trying to learn a little more info about this 3D model radial engine. I downloaded it off a stock 3D model website, that offered almost no ...

Which aircraft require gust locks on control surfaces? Is there a certain range in the middle in terms of size / performance where gust locks (external / internal) are required? From a cursory ...

On a Gulfstream jet checklist, do you do the walkaround before or after disengaging the gust locks? With small planes we generally remove the gust locks as we do the walk around, but with a larger jet ...

I've flown exactly once in my life. It was in 2004, with a commercial jet. Not a "jumbo", but a normal-sized jet plane in common use for cheap flights in that year. (Well, twice if you ...

So there's a C152 that was tied down and blew over onto its back, suffered some damage to its wings (but electric flaps still work) and significant damage to its stabilizers. Can it be fixed by ...

FedEx currently uses the callsign "FedEx" and has the IATA and ICAO ID's of FX and FDX respectively. Back in the 1990's they used the callsign "Express" and the IATA code was FM. (...

This question occurred to me when I was meshing an airfoil for CFD analysis having a sharp trailing edge. The upper and lower side smoothly converge having tangency at the end. After hours of ...

I was browsing ACARS messages listed on an aviation enthusiast website in Greece (similar to FR24 and others), and noticed a message sent to UA124, a 767 from KEWR to LGAV: The SAT VOR is located at (...

scenario 1. I'm a commercial pilot/flight instructor and employee of the flight school, who carries the flight school’s CEO and other staff on business trips, do you know what part of the regulations ...

what is the simplest plane ever built? By that I mean simplicity of construction, a plane that was built by someone in their backyard without specialized equipment

Autopilots exist for airplanes and drones, how is orientation measured with respect to ground? In particular how is the direction of gravity detected and how is it differentiated from acceleration due ...

In airplanes, longitudinal stability is maintained if centre of lift lies aft of center of gravity. Like in the airplane shown in the figure below, do helicopters also have stability criteria? They ...

I read: Question: In what case doesn't a coupon correspond to a segment? Comment: This is getting into the weeds of terminology that most travelers don't need to deal with; there are also sectors and ...

My parents are traveling in Iceland and sent me a few pictures of an old radial-engined aircraft. It has "United States Navy" markings on the side, "Keflavik 17131" on the tail, ...

Specifically Does not hold MEI. Has 0 hours in Cessna 310. Can he provide and log dual given in that Cessna 310? and, What if he is not AMEL only ASEL? Current regulation? 14 CFR 61.51(e)(3) https://...

Good day, everyone. I need help here. I'm working on an ultralight aircraft. Here are the details: Propeller diameter: 1.2 m Engine: 15 HP / 3600 RPM gasoline engine Plane weight: 50 kg empty + ~9 ...

What are these two holes at the rear of most 747s? I've found plenty of answers for the holes on the front of the wing box, but no answers about these back holes.

I'm CFI and one of my student haven't flown after he got his private pilot license in 1990's and he wanted to fly again. The thing is his medical is expired already and he doesn't fit medical ...

in my textbook and apparently everywhere online I have found that Va or cornering velocity is defined to be the point of intersection where the stall line and the limit load factor line meet. ...

I've read in many books that afterburners are designed not to affect the upstream engine components, so if there's a large amount of combustion going on after the addition of afterburner fuel, how ...

The B-29 bomber, used in WWII, was designed as a high altitude bomber, capable of operating from altitudes in excess of 30,000 feet. However, starting with their first missions to Tokyo in Nov 1944, ...

We can see that now most latest airplanes by Boeing and Airbus like 737 max or A350 have twin engine configuration instead of 4 engine. And many airlines are discarding iconic 747s and A380s. What is ...

Is there any classic aviation/space engineering moment where the engineers had been working on a concept for months and then realised that their approach to the problem wasn't quite right and so had ...

I thought aircraft was supposed to be stealth and not show up on radar under the right conditions. This article says Removable Luneburg lens type radar reflectors are sometimes attached to military ...

In the Airbus brochure (more like a book) Getting to Grips with Aircraft Performance, the standard climb profile for the A320 family is mentioned as 250 kt / 300 kt / M0.78 With this accompanying ...

In Canada, can an ultralight be flown at night or IFR by a PPL pilot with a night flying or IFR endorsement if the ultralight is equipped for night flying or IFR ( eg. heated pitot tube, nav lights, ...

Can a US citizen (no pilot license) fly a US ultralight into Canada or any other country? Due to a special exemption, Canadian pilots can fly a basic ultralight (registered but no certificate of ...

Are US ultralights allowed to have vortex generators? I understand US ultralights are required to have a landing speed of 28mph without the use of high lift devices. I understand this is so that the ...

What are the minimum pilot certification and flight hours to serve as SIC under Part 135 in a normal, fixed-wing operation?

How is washout built into a fibreglass foam core wing of a GA Airplane with 40% span flaps, 40% span ailerons. Does the angle of indigence change gradually over the span of the wing, or is the airfoil ...

I need help and some explanation on why are they sometimes tilted down instead of up.

The scenario-- you are taking off with a significant headwind component but also a significant crosswind component. You experience a power loss (or perhaps a tow rope break in a glider). You judge ...

Last night around 24.00 I noticed a plane flying very low over my house. Intrigued, I tracked the flight on FlightRadar and went digging for records. It turned out to be Cessna 560 Citation Encore+, ...

Let us say I got a time critical emergency right after the liftoff (like a fire, complete power loss) and I need do a return-to-runway and re-land maneuver. Which option is better, a 180-degree turn ...

Why would a cargo pilot for example want to dump fuel to lower the stall speed? I understand that lowering the weight decreases the stall speed, meaning it is "easier" for the plane to reach ...

I am starting an aviation museum, a total nonprofit aviation education community in my country. For this project, I need a sponsor, a volunteer, 3D maker, a CAD designer to draw for me the DXF/DWG ...

One of the features of the WWII B-29 bomber was that it was pressurized. The aircraft had pressurized areas in the front and the back of the aircraft. Connecting the two was a pressurized tunnel over ...

What sizes does the sectional charts are sold at? I downloaded it from here, and was able to print it on a large format printer. https://www.faa.gov/air_traffic/flight_info/aeronav/productcatalog/...

What is the maximum range for a twin-engine aircraft to fly over open water before having the requirement for flotation devices (vests / dinghy) under EASA-rules?

What kind of documents are required for customs or police if one flies out of Schengen (in this case a German-registered aircraft) and lands in a non-Schengen state within the EU?

If I'm flying a regular Cessna 172 and its perfectly trimmed and flying in circles holding the same altitude, is the aircraft in equilibrium? Or steady flight? (The definition of equilibrium flight ...