All Questions

I had a look at both What is the equation for calculating static thrust? and Is there any equation to bind velocity, thrust and power? However, it does not mention how much would the thrust be ...

Here is a polar for a piston single-engine aircraft: (This is lifted from a Russian manual for Yak-52, so $C_x$ is drag, $C_D$, and $C_y$ is lift, $C_L$). 1 is the 'normal' case without propwash. 2 ...

An airline filed the following flight plan: [...] IRK.J96.SLN..LANCY.J134.PKE [...] The cruise altitude was around 30k feet. Waypoints in J96 are: ...

Could somebody please explain me the differences between using the OBS and the Heading Indicator? As much as I could understand, once you tune into the VOR, the OBS starts to show how much deflection/ ...

When Pakistan closed its airspace, planes that had routes flying over Pakistan had to deviate around that country. What would happen to planes en route to or from Lesotho, if South Africa closed its ...

When evaluating the value of an aircraft, the total hours since major (or factory) overhaul (SFOH/SMOH) is an important indicator of price since it tells us how many hours the engine has operated ...

Let's say you have to do a parallel or tear-drop entry to enter this distance-based holding pattern. Do you still fly outbound from the fix for one minute and then make your turn inbound to re-...

The cockpit can hold one person, is smaller than a compact car and as narrow as a motorcycle. What kind of plane is this and how hard would it be to fly?

In order to decrease that initial hit of the tire spinning up to ground speed on the runway, could adding a blades or shape into the tire rim of a commercial plane save on tires by prespinning the ...

I have noticed on Blackhawk helicopters that they have tires but I have not seen one take off like a plane. When would a helicopter need to use a running take off or landing? When is it determined ...

Gliders don't travel at the high speeds that make bird strikes so devastating in airliners. However, they are also smaller, lighter and softer, and can still move pretty swiftly. Are they also ...

I have been doing research on whether or not one could realistically obtain an STC for a super-midsize jet certified for two pilots and legally fly it single-pilot. For reference, my chosen aircraft ...

What indication and where it will appear in case of one of LGCIU (landing gear control and interface unit) is inoperative?

I need to plot response of a 2 input 2 output system with by controlling each individual input i.e For example, I want to give a reference input of 5 degree to Side slip angle and 10 degree to the ...

Is it legal to bring your own survival gear aboard an airliner? Considering the sobering article by William Langewiesche that is appearing in the July 2019 edition of "The Atlantic", one might want ...

In the question Is the location of an aircraft spoiler really that vital? the accepted answer states "Surfaces behind the CoG act as stabilisers, keeping the nose pointing forward. An aeroplane has ...

easy question: When creating a list of regulations (and the documents that show compliance with those regulations) that apply to our STC, if one of them has been canceled, would we continue to use ...

I am really curious as to what the “green/red” strip of led indicate and the numbers below it. Having read around the web, i speculated that it could be an audio quality rating scale. Would help alot ...

Here are some of the airspaces where FAR 91.215 requires aircraft to have transponders-- (b) ... (2) All aircraft. In all airspace within 30 nautical miles of an airport listed in appendix D,...

Here are some of the airspaces where FAR 91.215 requires aircraft to have transponders-- (b) ... (2) All aircraft. In all airspace within 30 nautical miles of an airport listed in appendix D,...

This question applies to Airbus' autopilot but may not be restricted to just this manufacturer (there must be equivalent modes on ATR, Embraer, Dassault Falcons, etc.) For the vertical plan, the ...

I was wondering that spoilers in most of the aircraft are always placed aft (towards the tail) the CG location. Why aren't they placed ahead of the wings or near the nose of the aircraft? The same is ...

While flying in to KBTR in a helicopter, I called tower and stated “10 west, landing south ramp with information Mike”. They responded “proceed to the airport boundary”. When I was closer I got the ...

So I am currently taking my PPL because flying was always a passion. But, as I am sure all who do such can relate, it is an expensive license to hold on to. None the less we go through simply for the ...

Here is the scenario. Joe owns a Cessna 172. Joe hires Tim to fly him in his 172 from A to B. Tim is a Commercial Pilot. Is this legal? So far, everyone has said yes to this question, but not one ...

I have just found out Airbus uses aluminium wiring in the A380 to save weight. However, I didn't see anything about whether all the wiring is aluminium, or if copper wiring is also used. What is the ...

I was wondering the other day, during the trans sonic regime, when the velocity over the airfoil becomes supersonic,why does the shock wave standing on the airfoil moves downstream when the free ...

first time here :) I'm part of the team at Flytrex (flytrex.com) and we're working with the Aircraft Certification Office to certify one of the first UAS systems (drones) under new initiative to ...

I understand that the higher relative airspeed around the body of an aircraft in comparison to the air within the cabin causes the cabin to experience a lower pressure. However, I was just thinking ...

Passenger aircraft tires are physically inspected by the cockpit crew member or technician after each landing or before take-off, that the tire may have been cut or punctured as it may have hit ...

Towberless pushback operation of a passenger aircraft is generally done with at least 2 people. The first person (walk-out assistant) communicates with the cockpit crew members and observes the ...

I am trying to compare trains with airplanes and the distances where taking a train is more viable than an airplane. I guess this would depend on the type of plane, but the Airbus 320 seems like a ...

I have found references to the Obstacle Identification Surface (OIS), which is approximately a 152ft/NM slope from the end of the runway (1.43 degrees, 1:40 rise/run) and a 1:50 clearance plane noted ...

I recently acquired a B-17 altimeter I was wondering if anyone knew any sites that would help me find out where it was from or what registration for the plane or any other history with it. Here is the ...

In the front seat. The pilot has a flat screen radar scope that shows both the planes and the weather. But on the rear seat. The weather scope has an giant eyepiece. Perhaps glare protection? (...

I have been trying to model the pitching dynamics of a General Aircraft (Nelson : Flight Stability and Control) but during the modelling, I find that I need to use the ...

One of the most dangerous situations possible in skydiving is a so-called downplane, where both the main and reserve chutes deploy, and they shift outwards to the sides of the parachutist until ...

The rear of the plane is nearer to the ground, while the front part of the plane is away from the ground (see image below). Other planes are more flat. I think it was for high AoA but these planes ...

So - I'm totally confused about FANS and its systems. From what I understand: FANS 1/A (started in 90s) has some early CPDLC for USA routes (this topic) but what about position reporting? Does it ...

I got interested in Tiltrotor type of airplanes and was reading up about some specific models, the AgustaWestland AW609 and the Bell Boeing V-22 Osprey. Both planes have a history of quite a few ...

For all of the F-35 models you can find pictures with and without a blister on the upper wing surface. I'm guessing that it is sensors for the missile warning system that were retrofitted later on, ...

Just read this abstract by a Regeneron STS finalist. Is the idea of a virtual winglet a viable concept? Seems interesting. Link: https://abstracts.societyforscience.org/Home/PrintPdf/15282

According to Reuters, Iran says it refrained from shooting down U.S. plane with 35 on board. The article goes onto say the aircraft was a P-8 Poseidon with 35 on board: Iran refrained from shooting ...

About a year and a half ago I moved into an apartment, where pets are not permitted. In order to be able to bring my pet with me, I applied online and obtained an "Emotional Support Animal" letter ...

If the pressure increases the density increases If the temperature increases the density decreases If the temperature increases the pressure increases Then when the air is heated the pressure should ...

Can an S-duct fit a turbofan exhaust instead of the intake? The idea here is to merge 2 exhausts into one at the exact center of the tail. This would be for twin-engine aircraft that have both engines ...

Back in 2015, I flew on 4 flights with Delta Airlines. I was too young to remember the registrations of each aircraft. Is it possible to look up the tail numbers if I have the date of the flights, ...

In cabin, we hear noises in commercial aircrafts. Wondering if it is in general over or under 100 hz. There should be a band width. Thanks!

Under FAR 91.225 (requirement for ADS-B-out), what additional airspace over the 48 contiguous states in the U.S. will be off-limits to an aircraft w/ no electrical system or transponder, compared to ...

what shall the air traffic controller do to Manage traffic in case of change in the operational status of navigational systems??? ( mention the related Document ) please