All Questions

I would never confuse stall angle of attack with any other but recent report from news outlets are saying that new engine on 737 max causes earlier stall. Cowling airflow may disrupt airflow and ...

An ILS, consisting of a localiser beam to provide lateral guidance (which can also be used on its own for a non-precision approach) and a glideslope beam to provide vertical guidance, is (currently) ...

The Dassault Mercure was a French regional jet that first flew in 1971 and received its type certificate in February 1974; it resembled an enlarged, shorter-range 737-200, and was designed to serve ...

Runway 13 at Hong Kong’s Kai Tak Airport (closed in 1998 and replaced by the current airport at Chek Lap Kok, to the eternal gratitude of non-masochist pilots everywhere) had a hideously difficult and ...

Is it the operator, manufacturer or the NAA? I'm going to assume the operator does the creation and amending and only the NAA is to approve the document?

What is the general design flow when designing a THS and the attached elevator? I assume you would dimension the max. positive/negative deflections of the THS to meet longitudinal trim requirements ...

I have been tasked to create a POH for my aero engineering coursework and part of this task is to create the CG envelope for the theoretical 65 passenger aircraft. I have figured out weight, moment ...

I am 16 years old and I want to be a pilot. I have already chosen physics and engineering as my courses in school. But the fees for becoming a commercial pilot are very high.I wanted to know that if I ...

When arriving at a busy airport, airliners may be stacked in holding patterns, increasing flight time. I know airliners are required to carry extra fuel in case of rerouting (including a safety margin)...

Some sites make the claim that Boeing has installed an uninteruptible ground-controlled autopilot in aircraft such as the 777 with registration 9M-MRO used for missing flight MH370. Notable claims (...

I have a small question, how do I determine the minimum flow point on the compressor characteristic? I.e. what is the safety margin on the curve?

During glide approach or practise force landing, I can see the aimpoint moving down. It means the aircraft will overshoot the field. But I am not sure when should flaps be used or which stage of flaps ...

For Vmc condition, one of the solution is up to 5 degree to operating engine to increase ruder effectiveness to maintain control. Why is up to 5 degree? What if pilot banks to more than 5 degree to ...

Aluminum electrical wire got a bit of a bad reputation in household wiring due to reacting badly with terminals not properly rated for aluminum. Properly handled, it works fine, but it's so ...

What does a real-time for complying with an AD with these phrases? Prior to accumulating 5,000 landings or within the next 1,000 landings after the effective date of this AD, whichever occurs later.

If it was not known that Boeing had new software in the Boeing 737 Max, do we know whether this same software is not in the 787-9?

Or would there be other warnings on the PFDs?

A civilian passenger ejected from a two-seat Rafale B during takeoff on Mar 20 2019. The investigation is underway as to how it happened, but one of the possibilities discussed is that the passenger ...

I came across a video while learning about propellers where it showed the angle of attack increased from the root of the propeller to the tip of propeller whose pitch was fixed. I somehow cannot get ...

What type of engine is mounted on the Cessna Citation Hemisphere? Image Source That does not look like a high bypass turbo jet engine. If its not a high by pass turbo jet engine, and given a high ...

(semanticscholar.org) When aft swept wings bend/flex, the outer wing is twisted leading edge (LE) down (this reduces wave drag), the reverse (LE up) is true for forward swept wings. I've searched ...

What are possible solutions, if aircraft manufacturers can't fit ever larger turbofans onto the standard low-wing passenger jet configuration? Below, we see a 737 with large turbofans. If a new ...

I'm trying to find the steps to do a symmetry check of a Cessna 172. Or a form, or the section of the maintenance manual.

This is a follow up question to this question. This question is not directly related to the MCAS system in the new B737 MAX aircraft, instead, my question is about the checklist for a runaway stab ...

American airline companies landed their last passenger 747 jet into retirement last year citing higher costs of flying this aircraft in comparison to modern widebody twin-engine aircraft designed for ...

If for some reason or the other, because of an emergency, or perhaps craving jail time or did not want her job, or perhaps a girls will be girls moment, a pilot and her captain decided to fly a large ...

For example, an AD was issued in 1990 while the aircraft was manufactured in 2002? Who applies the AD, the manufacturer or the owner?

It is widely attested* that the Su-25 Frogfoot's engines (the Turmansky R-95Sh and later the R-195) were designed to function using a wide variety of fuels, including diesel, gasoline, petrol, ...

I was doing a study on airfoils shape for a rocket. I tested the diamond and the hexagonal airfoil with Missile DatCom, RasAero and the Shock Expansion theory and from my results it seems like the ...

I am a UX designer, so my bread and butter is dealing with issues around software user research, information architecture and interaction design. I am very interested in avionics design but ...

I've read that the 737-NG has logic built into the stab trim system that will cause stab trim to cut out if the control column (yoke) is pulled/pushed far/hard enough (it's not clear to me if it's ...

My question is reflected in the title - is there an official, international system for commercial pilots to report difficulties and challenges faced during a flight to the next and future crew? ...

There are quite a number of strict FAA requirements for aircraft fuel tanks (must withstand such-and-such many Gs from such-and-such directions, must be inerted, must be puncture-resistant, et cetera, ...

I frequently read about pilots going through manuals/checklists/procedures in an emergency situation in an airliner while in flight. Is there an online resource where the public can actually read it, ...

After having an issue with a tachometer bouncing so much that it fell off, I now have the opposite problem with the replacement (Mitchell D1-112-5025): The tachometer is sluggish. When I open the ...

I have the following questions: MCAS will not cut out from excessive control column movement as non-MAX 737 aircraft stab trim does. Is that correct, and is this cutout permanent or does it re-...

Why are some missiles incompatible with some aircraft? If fighter A has better radar and missiles than fighter B, then why isn't it possible to simply integrate the better radar and missiles into ...

I'm wondering if there are airlines that provide Internet access to passengers when flying longer (> 2 hours). And if it's technically possible at all.

Will the upcoming software update for the 737 MAX require the plane to go through a new certification like a new plane?

is there any information available comparing the difference in crash resistance between composite mainly carbon or fiberglass polymers etc vs conventional metallic mainly aluminum aircraft structures.

I am flying a PA-28-180 but have been unable to find where inside the pitot mast the heating elements would be. I would like to know this to verify my assumption it does not work in the airplane I am ...

Hypothetically, if: one got stuck somewhere at a remote airport the jet aircraft or airliner they are flying had a 1/3 tank full of the proper jet A1 fuel there was a tanker at the airport with 1/3 ...

How are V speeds spoken? --Research for my novel. Is it the V and the number or letter notation or is there something more to it? The Wikipedia Page on V Speeds does not delve into the subject ...

Good Day, I am support engineer and have had dream of becoming pilot but does not have much knowledge other that hearing that "you should not change your career!" Any help will be appreciated. ...

This debate first started a decade ago but I want to modernize it. The reasons people wanted to be pilots. (I cant find a single reason why someone would want to become an ATC) They watched Top Gun ...

I know that ICAO Annex 2 'Rules of the air' states rules such as general rules, visual flight rules, instrument flight rules, etc. And aircraft should fly in accordance with either visual flight rules ...

Is there anyone who has amblyopia and looking for class 1 medical cerificate , If yes . He has a solution for his problem and can help me for that?

A lot is currently reported about the possibly flawed MCAS control software of the Boeing 737 Max 8. What operating system is this software running on? Is it a common OS or some in-house system by ...

Wikipedia states that Kai Tak Airport in Hong Kong originally had two runways, both built under Japanese occupation during World War II: ... In 1942, the Japanese army expanded Kai Tak, using many ...

For my school project, I'm doing something where I create a nacelle strake on a model plane and I want to make it to scale. Could you please let me know the dimensions of a nacelle strake? I would ...