All Questions

This is the first Cessna Skycourier during certification. Why are the two exhausts oriented upwards?

The FAA requires 3 landings every 90 days to stay 'current', but as we all know, currency and proficiency are different things. I'm looking for data than can describe how proficiency loss correlates ...

For an unpowered glider, can we show through simple geometry involving force vector diagrams, rather than mathematical formulae or graphs, that the best still-air glide ratio is achieved at the angle-...

What is the difference between "navigation database" and "airport mapping database"? Are those both required by flight management software for flight planning?

Could an airliner legally (using a common regional jets or less likely airliners) and safely perform acrobatic maneuvers that would otherwise not be permitted for commercial passenger flights. Why? ...

If there is a fire in one of the engines of the 737-800, what is the procedure to be followed in the following situations? Climb Cruising altitude Approach What should the pilot do in the cabin in ...

How many miles will they glide before they crash?

Why do airplanes circle three times in a holding pattern? I tried to look for information about it, but I did not figure out why a pilot would specifically do it three times?

I was re-visiting this question about a timelapse photo of multiple airliners and started wondering about the maximum number of jetliners that could be photographed together while flying. I have ...

Some planes have this large protruding part at the wing root. If my understanding is correct, it's a wing strake and it improves lift at high aoa via vortex induced lift on the rest of the wing. I ...

In particular, does the Autopilot in a B737NG control the pitch only via trim adjustment, or first via the elevators and then trim?

I have searched for articles on Thermal Analysis of Propeller but couldn't find one. Can I assume the aircraft company don't perform heat transfer simulation and analysis of high speed propeller? Isn'...

I am new here, I started to do VFR navigation (no G1000) so I try to deal with the wind. I notice that I have some problems to find the wind speed and direction during flight. I am going to try to ...

The new Boeing 777X has longer wings to improve efficiency, but has to adopt foldable wingtips to "fit" into all original airports that host its predecessor. Tendentially, longer wings would ...

I’m looking for a way tu update my gpsmap 196 with new nav data (adding a region), anyone of you managed to do it on a windows 10 with a serial-USB adapter?

I was wondering, what kind of aircraft are currently being used by Boulder County to fight wildfires? For example, see photo attached of a plane dropping flame retardant on a wildfire over Left-Hand ...

I believe hot wire anemometers (HWA, frequently used in wind tunnels to measure flow velocity) or other sensitive techniques could be used to determine the airspeed. Are there specific reasons for why ...

The entire immediate Washington D.C. area is in a “no drone zone”, in a 15 mile radius from DCA. Are there ways to get an exemption for activities such as film making, property inspections, etc?

I have trouble wording this question, please bear with me. Sullenberger recently stated that the pilots of the fatal MAX flights where likely under sensory overload caused by "multiple, ...

Ground Based Augmentation Systems broadcast message four, the Final Approach Segment, along with corrections for GNS signals in messages one and two. Since the FAS is essentially a semi-static ...

So here’s a summary: we need to design a remote controlled glider that will drop a load (golf ball) on a target. The load’s drop needs to be slowed down (ex: parachute). The glider must be very light (...

Is it common for pilots to breach separation standards in terminal airspace while the conditions are VMC? I'm interested primarily in commercial aircraft that have scheduled operations in major ...

When the war broke out in 1914 scientists already knew how to remotely control a vehicle with radio signals. In 1905 Spanish Engineer Leonardo Torres-Quevedo demonstrated a radio controlled boat that ...

As you may know, on the internet there is the FlightRadar24 website where you can see the flight information of planes worldwide in real time. Although this is wonderful for those who like aviation, ...

Is there any good book on early rigid airship (Zeppelin and Schütte-Lanz) design and construction methods...? In English or German...

I've looked everywhere but I can't find a good diagram of the inside mechanics of helicopter. I know what swashplate does but I want to how it is moved by the stick. Can someone pls give me a good ...

I've recently saw this footage. Airbus A400M tactical capabilities on natural surfaces by performing take-off, landing and taxiing manoeuvres. I wonder if she could take-off fully loaded from that ...

i am studying Line-Replaceable Unit (LRU) and Line Replaceable Modules (LRM) but do not know the difference.

I've been trying to figure this out using variety of manuals but still not found a satisfactory answer. Can somebody explain in detail?

I know that there are runways in the world that operate CAT III where the pilot can land with autopilot. But why do most airports with ILS not allow automatic landing?

Tonight I flew from Munich to Dortmund on an A319 and I happened to sit just above the wings and turbine on the right side. Upon landing, the turbine opened a window or panel which exposed some grid ...

What is an exhaustive list of data contained in an ADSB packet?

Is "Flight Idle" for a jet engine a constant N1% value or does it vary with Altitude, and OAT?

The hydrogen inside an airship has a mass that is approximately 14 times lower than the mass of air and this difference results in lift. However the solid material inside an airship including the ...

What do we mean by rotor damping (in terms of helicopters)? How is it affected by air density? How does helicopter stability depend on rotor damping?

I wonder if NVIS (Night Vision Imaging System) class for a fighter jet is fixed or not? Is it possible that the pilot can wear any NVG (Night Vision Goggle)? If I want to find out the NVIS Class that ...

Should the Thrust Reduction height be the same, lower or higher than the Acceleration Height? In other words, what is their "correct" sequence. I am referring specifically to the B737NG, if ...

Once aircraft are able to be fully automated to perform routines including the evergrowing fleet of manless drones will there be any use for the future pilot and if so won't the competition be very ...

Airships are filled with hydrogen. However as pointed out by Peter Kampf in the answer to the question below when an airship is on the ground only a portion of its hydrogen cells are filled with ...

I was on my way to the beach at Oceanside on October 2020. On 4:32, I saw multiple Cessna or Beechcraft aircraft, as well as a Velocity V-Twin, on the runway of the Oceanside Municipal Airport. When I ...

Any patterns that investigators look for? For example, what happens when the engine flames out? is it guaranteed to enter a high speed dive? And would this affect certain parts of the aircraft, ...

Army has same equipment as 1980s. Just upgraded. Navy ditched zumwalt, the ford and Nimitz are same size and it's also using upgraded 80s technology. Air force has had progress. However the F 22s job ...

Here is an image showing the geometric significance of $\epsilon_{cl}$. To me it looks like the angle between the tangent of the underside of the trailing edge and horizontal (V infinity). Here is a ...

According to ANA best glide speed AND max range speed for propeller aircraft both occur at L/D max. This is a little confusing because in an A36 Bonanza Vbg is 110 KIAS and Vmax range has been ...

I heard a piece of information many years ago, and the more I think about it, the less it makes sense. It was like: When airplanes what to raise altitude, they do not increase speed, but they ...

I am an aerospace engineering student and I am having problems finding information about the materials usually used in the dorsal fin of an aircraft. I would also like to know the kind of stress and ...

I just saw an hour long MIT lecture for no reason and the lecturer said he has flown over 70 kinds of aircraft. Does that mean a test pilot is certified to fly almost anything?

Higher pressure air on the underside of a wing generally rolls outboard around the wingtip and over the top of the wing reducing lift and therefore increasing induced drag. My intuition would tell me ...

Is there an FAA regulation or advisory circular covering the allowable wear, fading, or weathering of runway markings? I can find many FAA standards for the paint of fresh new runway markings, but I ...

I will be interested to know what was the lift-to-drag ration for a few more known WWI biplanes at take-off, cruise and landing speed; with the propeller running, stopped or non existent (tests in ...