All Questions

In order to get a Light aircraft pilot licence (LAPL) license 30 flight hours are demanded, A private pilot licence (PPL) requires to have 45 flight hours. flying in a Sailplane is lower-priced then ...

I read days before about the collision of the flight PSA Flight 182 on September 25, 1978. I was wondering how is it possible that a Cessna 172 can CUT Boeing's 727-214 wing. There is a video with the ...

Say, a pilot is piloting his/her jet commercial airplane and suddenly see cumolonimbus or a dark cloud. Then, should the pilot reduce his/her airplane's speed to avoid something like impact?

Thai Lion Air primarily flies short-haul domestic routes and most of the time I find myself on an ER version of a relatively new 737. Isn't ER for extended range? And thus costs a lot more per plane? ...

While aircrafts are under servicing on ground, the external dedicated earth wires are connected to the aircraft to avoid static hares effect to human beings. How much resistance value has to be ...

I came across this print at a bargain store a couple weeks ago. At first I thought it might be a variant of a Lockheed L-188 Electra; then I noticed that it has at least 6 engines, as the print ...

Say Cessna 140 as in this video, look like no additional device to make it turnable when it on the ground. It is a single engine and a tail wheel landing gear. Then, how does it turn?

When airport marhall signals have been used for the first time? Wich is the history about these signals? Thank you

What is this and should the yellow wire be soldered to it? Any ideas on preventing the wire from detaching again? I checked the C150 parts manual but didn't see it. Is there somewhere else I should ...

There is a hold on the Grand Junction Seven SID. I would expect it is there so that ATC could hold you until you reach the enroute MEA but there is no written reference. So, what is the reason ...

What are the key differences between AFM and FCOM and where they will be used?

Why The CD nozzles of the fighter aircraft are always outside the fuselage, Why the whole engine is not buried in the fuselage?? If engine shroud also can be made variable area and varies with CD ...

I am a Software Engineer in the sector of Automation Testing (on the web and on system testing too). I am trying to focus mainly on aerospace systems and technologies. What I do not really know, is ...

Consider we have the exactly same turbine which is possible to be mounted to the tail (left picture) and to the wing (right picture) as picture below. Which one will produce more power to the airplane?...

The first high-bypass turbofan small enough to use on a narrowbody jetliner was the GE/SNECMA CFM56, which entered service in the late 1970s as an upgrade engine for the KC-135 tanker; Boeing almost ...

The Reuters News item Exclusive: U.S. blocks North Korean air traffic revival ahead of Trump-Kim summit - sources says: If the space was deemed safe, international airlines could save fuel and time ...

For certificated small aircraft that are not required to have a minimum equipment list. If you have an instrument break while on a cross country flight and it is not a legally required instrument for ...

For an axial compressor working in steady state condition, what would be the pressure impulse response? Ideally, I'm looking for an equation obtained using the Laplace transformation. Can someone help ...

Questions like How does aircraft design affect carburetor ice? show how carburetor mount point affects the relative passive heating of the carburetor by the engine, but I've never learned why full ...

I recently found the following family pictures from ca. 1925 and have been trying to identify the aircraft in them: A second picture of the same aircraft was taken shortly after the first one: Both ...

I understand that part 21 subpart j is design organisation approval and part 21 subpart g is production organisation approval but can someone explain the main differences and what their relationship ...

I know that becoming a fighter pilot is highly competitive, making it a difficult route, but would becoming a pilot for an Air Force cargo aircraft or something of the like be a good way to reach my ...

First of all does the TC holder (manufacturer) of a new aircraft have to gain approval to state that the aircraft is capable of flying etops to a certain level..? I.e ETOPS 120. Secondly does the ...

Many aircraft manufacturers give names to the aircraft models. Piper had the Cub, Super Cub, and all the Comanche/Cherokee/Navajo/etc. names used in branding. Cessna has the Skyhawk, Skylane, etc. ...

Maintenance manuals of today's civil aviation aircraft (from both Boeing (e.g., B-737) and Airbus (e.g., A320)) have special chapter to describe "standard torque value" for fasteners and connections. ...

FlyBMI are currently in the news for failing and stranding passengers abroad. This is not the first time an airline has halted operations seemingly overnight and left passengers without a way to get ...

In turbojet engines, does the fan play a key role in the air intake to the inlet?

I remember hearing a quote about aviation that was something along the lines of “asking a pilot why he loves flight is like asking an artist (or a painter?).....”. For the life of me, I cannot ...

Lately I've been wondering if it's possible to interface an everyday computer with the ARINC buses (either 429 or AFDX). This would be very useful for simulation, testing and prototyping purposes. ...

I'm developing a system which recalculates how much of the runway can be used for safe landing and take-off. If there's an obstacle on the runway (another aircraft, surface damage), then who would use ...

In the VNAN climb on B737, the FMC changes the target speed from V2+20kt at liftoff, to 230kt for acceleration at the preset accleration height, then to 250kt (below 10,000ft) as the leading edge ...

I am looking into options for flight training. I have already begun my training for my private, but due to a family emergency i had to stop for a few years. Now I am looking to get back into flight ...

As you all probably know by now, aircraft have much better takeoff performance when and where the air is denser; this is why flights need to either use longer runways or jettison passengers and cargo ...

Barometric altimetry relies on atmospheric pressure dropping at a steady rate with altitude, starting from a measured ground-level pressure. This, in turn, relies on atmospheric density dropping at a ...

I heard an expert say that one of the A380's weaknesses is that it only comes in a passenger version, not a cargo one like the B747 does. The cargo version of the B747 makes its market wider. One more ...

I understand that clouds can be made out of water droplets or ice crystals. And that fog is nothing else than low-lying clouds. However, I've experienced fog in a wide ranges of temperatures. I like ...

For school, I'm doing a project where we choose a topic about anything, ask questions, and learn about it. I chose my topic as fuel efficiency of airplanes, and one of the things I want to research as ...

Reading about the crash of American Airlines Flight 191, the proximate cause of the final loss of control was the pilots' reduction of the aircraft's airspeed to V2, in compliance with the published ...

I have been flying a small Cessna airplane that has a COM/NAV NARCO MK12 equipment with CDI (lateral needle only). This CDI does not incorporate a horizontal needle to provide vertical guidance, so ...

Can a helicopter apply full cyclic and then full collective at the same time? Would'nt the blades on one side (opposite of the intended tilt direction) have already maxed their aoa, resulting in a net ...

We are used to seeing a forward CG in all airplanes, from a small Cessna to a large Boeing. I wonder whether any airplane with CG behind wing CP exists in production? Is it even possible? If so, what ...

When my A321 powers up, the lower ECAM DU shows only a diagonal white line. What does it mean and what would be the fix?

It is recommended that the antennas be installed on flat surfaces. For some UAVs, the bottom of the fuselage is very narrow and sharply curved away from the antennas. How does it affect the ...

We know that in real viscous flow, boundary layer exists around the airfoil and there will be a separation point which flow starts to separate from the back of the airfoil( velocity gradient equal ...

After Airbus's announcement that they plan to discontinue A380 production in 2021 after the last orders are filled, how long will they have to guarantee the availability of A380 spare parts?

In terms of their roles at an airport. I'm designing a system that would inform its users if there is space on the runway that a pilot could use to land or take off, when there is an obstacle on the ...

I'm trying to figure out WHY turboprops are more efficient at lower altitudes and airspeed, while turbofans are better at faster speeds and higher altitude. Simplistically, my explanation is the ...

From the Wikipedia page on the Northrop T-38 Talon: Most T-38s built were of the T-38A variant, but the USAF also had a small number of aircraft converted for weapons training (designated AT-...

On several dates, my ground station received some airborne operational status ADS-B messages (TC=31) where the version number was reported as 3. As far as I know, ...

I just have seen a video of a demonstration of an Osprey V-22. While this is an impressive aircraft I wonder whether this might land with failing engines (with the large "propellers" probably hinder ...