All Questions

Filter by
Sorted by
Tagged with
1
vote
1answer
48 views

Where can I get AMM for Boeing 737NG? [closed]

I am not connected to airlines .I am just an aviation enthusiasts .while studying the 737 FCOM I realized to study AMM also .but in Google I cant find it anywhere .so can anyone tell me how to get ...
3
votes
1answer
218 views

How challenging is it to land a plane on a tabletop runway?

Yesterday(August 7 2020), an Air India Express plane skidded of the runway(Dubai - Kozhikode, IN) and fell almost 30 feet below from the tabletop runway and broke into two pieces. It was also heavily ...
11
votes
1answer
1k views

Why do tail dragging seaplanes not exist?

I am in the process of starting to build an ultralight that will be a tail dragger with floats, and in my conversations with the fellows I'm building it with, we've realized we've never seen a plane ...
7
votes
1answer
593 views

Do airliners have any cockpit indication of open doors?

A recent report into an "unnecessary" plane evacuation reports that, following an aborted takeoff [The senior flight attendant] then ordered an evacuation of the 169 passengers onboard, but ...
5
votes
1answer
203 views

Is it possible to increase available take-off distance for a seaplane by turning?

In the video below an A5 had an accident after takeoff. The final cause of the accident seems to be a sharp increase of AOA above stall. Do sea planes have an ...
0
votes
0answers
16 views

Ducted fan drone using rim (shroud) motor efficiency [closed]

With a rim motor, which would make the lighter weight of thinner wire, and higher voltage possible, can the diameter of the ducted fan be increased to where the lifting ability and efficiency exceed ...
1
vote
1answer
216 views

What is this military turboprop aircraft?

I took a video of this military turboprop aircraft on August 6, 2020 at 7:03 PM in Long Beach, California. Here is a screenshot of it:
3
votes
3answers
165 views

Is multi element wing good option for slow flight airplanes?

Can we use multi element wing for slow flight planes, like F1 multi element rear wing? If we know that pressure act prependicular to the surface why this two upper elements are "almost" ...
2
votes
4answers
244 views

Why high air speed at flat surface don't always produce low pressure?

Can you explain why flat surfaces don't produce low pressure in both experiments ,even air has high speed in both case? 1)experiment where flat surface DON'T produce low pressure: http://www.cabrillo....
2
votes
1answer
117 views

Could a wing be designed to exploit both normal flying and ground effect?

Ground Effect planes' wings are stubby and the height over the ground or water is limited to wing span. Could a wing be designed to exploit both normal flying and ground effect together to give the ...
0
votes
1answer
54 views

Regulatory Documents To Carry Medical Kits and Defibrillators On-Board

Are there any regulatory release documents applicable to Medical Kits and Defibrillators? Question is for Commercial Airlines. For example for: Components, you are required to have an EASA Form 1 or ...
6
votes
2answers
397 views

How high could Concorde potentially reach by going fast and pulling up?

If Concorde was travelling at mach 2 and FL 600 then pulled up, it would enter a trajectory that went above its normal flight altitude before diving back down. I assume that it couldn't pull up to ...
12
votes
1answer
4k views

Why do all the rings of MH370's transmission locations have the same origin point?

This question originates from the video "The Vanishing of Flight 370", by Lemmino. At 6:00 he says While these transmissions did not contain any information ...
2
votes
3answers
108 views

What is the impact of camber on CLmax?

I was reading Aerodynamics for Engineering Students by Houghton and saw the following graph: A lot of other sources say that increasing camber increases CLmax, like the graph below. I am a little ...
3
votes
1answer
238 views

Are the A400M propellers rotating in the wrong way in “Mission Impossible: Rogue Nation”?

At the beginning of the movie Mission Impossible: Rogue Nation we can see an A400M taking off. When the engines start, the propellers turn in opposite directions. As I understand it this is not a ...
5
votes
0answers
158 views

Why doesn't Ketchikan, AK have a control tower?

Why doesn't Ketchikan, AK have a control tower? The special flight rules applicable to the area seem to make it clear that traffic management is an issue, focusing mainly on being in contact with the ...
31
votes
4answers
4k views

What kind of assistance can another aircraft provide to an incapacitated pilot?

A recent incident unfolded as follows: An aircraft overflew the planned destination and did not respond to radio calls on any frequency. ATC decided the pilot might be incapacitated and asked another ...
-2
votes
0answers
71 views

What is the pilot actually trying to say? [closed]

A pilot used a PA system to make the announcement and the original subtitle of what was said by the pilot states the following: Pilot: Make sure prior weather shift distance is appreciated. Flight ...
1
vote
1answer
94 views

Do aircraft obtain better milage by flying high or by using “ground effect?” [duplicate]

It has been said the most fuel efficient way to fly is by flying in thinner air. On the other hand the largest plane in the world was the Russian "Caspian Sea Monster" Ekranoplan, which is ...
-4
votes
0answers
181 views

Is post-COVID flying more dangerous? [closed]

To be clear, this doesn't relate to safety relating to the virus, I'm asking about flight safety. A comment on this question states: There's a history of accidents with aircraft just out of ...
16
votes
2answers
2k views

Have any airliners successfully landed on a runway after striking a tree?

There are many examples of aircraft striking trees during a crash sequence, usually with high fatality rates. Have any airliners struck* one or more trees and proceeded to successfully land on a ...
2
votes
0answers
175 views

Has any pilot successfully flown through a hurricane with a single-engine prop plane?

Has any pilot successfully flown or could a pilot crab through a hurricane using a plane such as a Cessna or bi-plane? Would acrobatic planes work better because of their nimble agility and high power-...
-2
votes
1answer
80 views

After the Covid pandemic, will there be an aircraft manufacturer which produced a combi aircraft anymore? [closed]

On this covid pandemic, there will be many changes in all of air travel, one of them is Combi aircraft to be rebuilt again.
3
votes
1answer
169 views

What procedures do I have to follow to fly a seaplane from the US to Canada?

I work in the States and I'm thinking to go visit my friend in Canada. I have access to an Icon A5 and was thinking to fly from my closest lake in Vermont to his house which is also on a lake. What ...
1
vote
1answer
45 views

Do I need AFSP TSA approval once I get my PPL?

I recently got my PPL and wondering if I still require to renew my AFSP TSA approval each year/ I looked into AFSP FAQs but its unclear if I require it again. Any help is appreciated. Thanks
10
votes
2answers
4k views

Can you ride a storm to save fuel?

Cargo sailboats, of the old, depended on wind direction. Like these ships, planes also save time by flying with the wind. On the extreme end, could a plane use storm fronts or hurricanes by flying in ...
0
votes
1answer
79 views

What is the process of obtaining a commercial license after revocation?

I held a 2nd class medical and a commercial pilot license. My certificates were revoked due to an alleged DUI which I didn't get convicted of. I have been trying to contact every division in the FAA ...
1
vote
1answer
71 views

How much thrust is produced on an A320 at takeoff and during cruise?

Where can you get the drag polar of the A320 at cruise and TakeOff?
31
votes
6answers
8k views

Why do pilots do walkaround inspections for regularly scheduled commercial flights instead of aircraft mechanics?

If the airline has personnel to maintain the aircraft, wouldn't it be more cost effective to have them inspect the aircraft before flight rather than have the captain or first officer do it? Is it ...
2
votes
1answer
69 views

What is the difference between Level Change and ALT INTV during VNAV descent?

I'm confused between the two. During descent for 737 PMDG, I usually start a descent via ALT INTV, but sometimes the plane doesn't response to ALT INTV but responds to LVL Change instead. I need help ...
1
vote
1answer
88 views

What are some of your favorite flying and piloting related lessons or concepts to share with your non-pilot friends? [closed]

My team at work is doing this thing where each person teaches something new every week. I want to teach them about flying (I'm a private pilot). I'm curious what you think are topics that people find ...
2
votes
2answers
70 views

Off/On Time vs. “Total AC Time” vs. Offset?

Can somebody please help explain to me the difference between all of these. I understand that "Off/On time" is probably the Hobbs time which is determined by the time my battery master ...
0
votes
1answer
71 views

Is Ducted fan or Propeller better to maximize forward speed of RC aircraft with a given power?

I'm designing an RC aircraft of which the final goal is a crazy top speed. I'll be 3D printing and sanding / finishing the air frame surfaces to reduce drag. In order to achieve maximum top speed, ...
7
votes
7answers
3k views

Why don't bypass ducts in jet engines narrow down the flow to accelerate it?

Since decreasing the flow area increases flow velocity, why don't turbofan bypass ducts narrow down to produce more thrust?
23
votes
2answers
11k views

Why is the A380's fuselage designed with a flat bottom?

I want to know if there is some explanation for why the A380 bottom is flat instead of the oval shape, just near the wings.
34
votes
2answers
9k views

Why do helicopters have windows near the pedals?

What is the purpose of the clear windows in some helicopters in the floor of the nose, right where the pilot's feet and pedals are? For example, here's a Huey with windows clearly visible: Airbus ...
9
votes
2answers
2k views

Is it feasible to add an aftermarket hydrofoil to a light aircraft?

Could long, aftermarket hydrofoils be added to the water-skids of a plane (like this Cessna with pontoons or smaller) Cessna 208 Caravan not designed to have a hydro foil, to increase its ability to ...
2
votes
1answer
139 views

Are there all terrain landing gears for planes?

Is there a landing gear set up that will allow a single engine plane (also, allowing for tundra tires than what is not available for current water skids) to land on rough grass and water? The wheels ...
1
vote
2answers
91 views

In a full-rudder sideslip in a Schweizer 2-22 or 2-33 glider, is the descent rate higher at 50 mph airspeed than at 60 mph airspeed?

Is it really true that in a full-rudder sideslip in a Schweizer 2-22 or 2-33 glider, the descent rate is higher at 50 mph airspeed than at 60 mph airspeed? Likewise, is it really true that in a full-...
5
votes
5answers
524 views

Why is fuel quantity expressed in flight hours [duplicate]

Going through a few aircraft documentaries online, I've noticed the thing that they usually express the fuel quantity in flight hours. Ex - A 747 burns 4 litres of fuel every second. So with a ton of ...
3
votes
0answers
89 views

Are Lycoming O-360-A4M engines generally known to have right magneto issues at low power settings?

TLDR - I am renting a PA-28 181 (engine Lycoming O-360-A4M), and have noticed that the right mag is rough at low power settings. During before takeoff power checks, both magnetos operate as expected, ...
0
votes
4answers
121 views

What determines the maximum ground speed of hot air balloons?

I am wondering how the ground speed of hot air balloons is controlled. The wind is obviously going to have a large influence upon the ground speed, but apart from wind effects, do hot air balloons ...
1
vote
1answer
70 views

Why aren't we using drone blimp/hybird airship for delivery? [duplicate]

Currently, the heaviest weight a commercial drone (the type that delivers Amazon package, not the type that delivers tons of stuff) can lift is 4.5kg with a 30-45 minute battery life. A drone blimp/...
1
vote
3answers
137 views

Can private pilots drop skydivers if the pilot pays a pro-rata share?

This question was inspired by this other question. If a private pilot was to pay the pro-rata share of a flight for some skydiving friends, could they take those friends up and let them jump out? If ...
3
votes
2answers
119 views

What is the correct way to get established on the outbound track on this approach?

If you have been cleared to LCA (from the direction shown by the red arrow) then outbound on the procedure, what is correct way to get established on the outbound track? Ideally, I'm looking for an ...
2
votes
2answers
167 views

Can private pilots run other non-passenger flight businesses?

As I understand it, private pilots can not take paying passengers. (Friends on a flight can give the pilot strictly only the friend's share of fuel etc. costs.) But in fact can private pilots do ...
0
votes
3answers
101 views

Autorotation: Positive Pitch during descent phase possible?

I was wondering if a rotorcraft, that descends very slowly compared to its nominal rotor rotation rate (for example an RC Helicopter vertically autorotating with 3m/s descent rate and 2200RPM on the ...
3
votes
5answers
181 views

How do I simplify explanations for the drag formula?

With reference to aircraft aerodynamics: As the aircraft speed increases the aerodynamic load increases in a mathematical relationship proportional to the air density and the square of velocity. ...
0
votes
0answers
34 views

What are the differences between turbojet and turbofan (low and high by-pass ratio) in the graph of thrust relative to speed?

What are the curves of thrust relative to velocity of the turbojet, low-bypass turbofan and high-bypass turbofan engines from static thrust to Mach 4 generally. Approximation is okay as long it has ...
1
vote
0answers
82 views

Flying in V formation with multiple planes

Logistically choreographed using air-traffic controllers to pair like planes headed in the same direction or by scheduling flights together, how much fuel could be saved pairing planes to fly in a ...

15 30 50 per page