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1
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1answer
21 views

Converting lat long & altitude into a line of sight target?

I want to design a long-range ADS-B receiver with a directional antenna (like a Yagi), but in order to maximize its range, I'll need to orient the antenna towards a target (plane) based on existing ...
1
vote
1answer
50 views

What is the minimum number of people required to pushback a 747?

Similar to : Is there a minimum number of people needed for an aircraft pushback? After watching this video I wonder what would be the number of people required to push back a 747. ...
-1
votes
1answer
43 views

What is (or was) the “international frequency”?

I have recently read a book about Douglas Bader, the famous pilot who lost his legs in an accident in 1931. After he was shot and captured by the Germans, they contacted the UK via the "international ...
0
votes
0answers
18 views

How to calculate the mass moment of inertia of a symmetric wing like NACA-0012?

I am working on the pitching mechanism of a NACA-0012 wing. I have the mass and found out the centre of mass of the wing but the software (OpenFOAM) needs more parameters such as the mass moment of ...
2
votes
1answer
24 views

How accurate is XFoil / XFLR5 at 'kinda high' Reynolds numbers?

How accurate is XFoil/XFLR5 at Reynolds numbers between 2 million and 10 million? From my understanding it's only accurate at lower Re values.
0
votes
2answers
51 views

Why are highly cambered airfoils rarely used in propellers or wings?

Highly cambered airfoils like the Seligs and Epplers are hardly ever used in propeller or wing sections. Why? Does their performance reduce at high Re? Are they only adequate at low Mach, low Re? ...
-3
votes
0answers
47 views

Landing the V35B Bonanza [closed]

How do I make a smooth landing in the Beech V35B Bonanza am I coming in too fast or too slow? I am flying A2A Simulations V35B Bonanza in FSX
2
votes
2answers
93 views

Is there a standard word or phrase in the English-speaking world to describe the angle between the fuselage and the flight path / relative wind?

Is there a standard word or phrase, or several alternative commonly-used words or phrases, in the English-speaking aviation world to describe the angle between the longitudinal axis of the fuselage, ...
1
vote
1answer
51 views

How common is it in current British usage for the angle between the chord line of a wing and the flight path to be called the “angle of incidence”?

In American usage, the angle between the chord line of a wing and the flight path is called the "angle of attack". The angle of attack is also represented by the greek letter "alpha". However, some ...
0
votes
1answer
64 views

How to increase payload capacity of plane?

Keeping thrust , wing span , weight (of plane ) constant , can we increase the payload capacity (nearly 50% more) ? Adding payload to plane , it decreases thrust/weight ratio , how does it affect the ...
-1
votes
1answer
106 views

Why are non-essential passenger flights still being flown? [closed]

I'm not asking about essential passenger flights like for "like food, supplies, and flying medical workers. Oughtn't non-essential passenger flights have been shut down in North America, to curb the ...
-1
votes
0answers
79 views

Is there a switch to dim or increase the light on the AOA gauge in the F-16?

There is a direct control switch to dim or increase the light on the AOA gauge in the F-16? Where is it located? Please share a picture with the panel if you can.
0
votes
0answers
50 views

What to do if you go off track when flying navigation flights [closed]

How would you perform a 1 in 60 rule method as compared to a 10° drift line method to regain track and/or go straight for the final destination?
2
votes
1answer
37 views

Reference Map of EUROCONTROL charging zones

I'm building out an application to calculate EUROCONTROL navigation fees. EUROCONTROL make one of these already, but I need to replicate the functionality within my own stack. In the aforementioned ...
2
votes
0answers
29 views

FIS-B Product Registry Location

I'm a software engineer that's interested in decoding raw FIS-B data. DO-267A (E.1) points me at http://fpr.tc.faa.gov/default.asp as the location of the FIS-B Product Registry. However, I have been ...
1
vote
0answers
51 views

Can a quadcopter fly stable while its all 4 motors from different manufacturers?

What if we used 4 motors which all are from different manufacturers? Will it fly/hover ? All 4 brushless motors have same kv and dimensions. Like 2204 2300kv .
0
votes
5answers
158 views

Can lift be increased by increasing the angle of incidence of the wing? [closed]

Can the lift of a plane be increased by increasing the Angle of Incidence (angle between the chord line of the main wing and the axis of the fuselage)? Meaning, can more lift be generated while the ...
1
vote
1answer
227 views

What is that A340 cockpit panel on the glareshield?

I want to know the panel's name and how it works. This picture is an Iberia Airbus A340-600
0
votes
0answers
40 views

Why Turboprop engines are better than turbojet at low altitude and speed? [duplicate]

Please explain the Aerodynamic or engine considerations which makes turboprop more efficient at low altitude n low speed as compared to turbo jet.
1
vote
1answer
111 views

Why there are two red lines on G meter reading on theMig29 aircraft?

Why there are two red lines on G meter reading on theMig29 aircraft? One at 7.5G,another one is at 9G.Also on the AOA scale the red line is at only 15 degrees .That is max AOA. Its looks like the very ...
2
votes
2answers
61 views

What are Uses of thin airfoil and thick airfoil?

I have heard that thin airfoils are used for fast fyling and thick airfoil a are used for more lift. Is it true? Can you explain specific uses of thick and thin airfoils ?
15
votes
3answers
2k views

How high can an airplane be spotted with eyesight?

How high can an airplane be spotted with eyesight? Suppose a plane has a wingspan of 15 m then at what distance it will appear as a faint dot? What is the correct way to calculate this?
1
vote
0answers
63 views

Are there regulations about carrying cargo on passenger seats?

We see that passenger aircraft have recently made cargo flights so that the supply chain does not decrease due to the Covid-19 crisis. It is seen that the cargo boxes are loaded on the passenger ...
-1
votes
1answer
57 views

When and how might a pilot use the 1-in-60 rule and the 10 degree drift rule for off track error corrections?

Okay, this is a 3 part question. How would you use the 1 in 60 rule, in the air - in flight? When would you use the 10° drift line way and when would you use the 1 in 60 rule way? With reference ...
-2
votes
1answer
58 views

How many sections does a PASSENGER AIRCRAFT belly has? What cargo is allowed in those sections?

How many sections does a belly of a PASSENGER aircraft has? Like if we take 3 cases : I am travelling with a check in bag A person who is not travelling himself but sending some items using cargo ...
2
votes
2answers
83 views

Circle to land in VFR conditions

I'm currently studying for an IR (US). One of the exam practice questions concerns an IAP having only circling minimums, and references 5-4-20(c) of the AIM, which reads: Straight-in Minimums are ...
-1
votes
4answers
104 views

Should I fly the true bearing or the magnetic bearing?

If you have a true bearing (track) drawn on your map but at the same time you have the magnetic bearing (as worked out from the true bearing and variation), which do you follow? the true bearing on ...
9
votes
2answers
737 views

Why would an ILS installation need a “reflecting surface” around the glideslope antenna?

According to the NTSB, the installation of a glideslope serving runway 11 at KHTS (Tri-State Airport, Huntington, West Virginia) was delayed for over twelve years by the lack of suitable terrain for ...
0
votes
3answers
172 views

Why weren’t large, high-power radial engines built to take advantage of the Meredith effect?

Most aircraft piston engines fall into two general categories:1 Radial engines (radials for short2) have their cylinders radiate out from the crankshaft in a star pattern; they tend to have a blunt, ...
1
vote
2answers
77 views

Is it possible to celebrate a holiday twice by flying from one point on Earth to another? [closed]

It recently came to my attention that the different time zones on Earth could allow for a person to celebrate holidays such as New Years twice by flying from one point to another. Is it possible to ...
2
votes
0answers
63 views

How often is a commercial (airliner) flight flown without autopilot? [duplicate]

When it comes to commercial flights, I am aware that once the aircraft has reached a certain altitude, the autopilot activates and assists the pilots in flying the aircraft. It makes being a pilot on ...
28
votes
7answers
6k views

What does “Ground loops are costly. Fly them until they stop” mean?

In one of the earliest scenes of William A. Wellman's 1942 film Thunder Birds, a sign can be seen in a room of a USAAF base (some relax or briefing room, apparently), which says: Ground loops are ...
-5
votes
0answers
49 views
3
votes
1answer
628 views

What is the air crash featured in Queen's Innuendo official video?

There's a short cameo of a total destruction of a plane in Queen's Innuendo official video (2:11). Here's the video itself: And here is a screenshot of the most ...
2
votes
1answer
142 views

why some airplanes have their exhaust gases vectored above the wing?

I was looking at images of the SkyCourier shown below and i have noticed the asymmetrical exhaust pipes in both engines (one pointing up and one is straight), doing my research on the internet, i ...
0
votes
0answers
22 views

What are the effects of separation at hypersonic rarefied flows?

Shock wave causes an adverse pressure gradient which causes an airfoil to stall. Also because gas density is much lower boundary layer becomes laminar and unable to prevent separation. Correct me if ...
3
votes
0answers
49 views

What was the record for the highest man-made flight before Gagarin's spaceflight?

My recent conversation with uhoh reminded me of something which stays kind of unmentioned in history of air and space flight, namely the altitude record prior to Gagarin's Vostok 1 mission. I wonder ...
1
vote
1answer
61 views

Do horizontal stabilizers on airliners have varying angle of incidence in the span-wise direction (washout or negative twist)?

Reading this question and answers, I was wondering if modern airliners with cruciform tail have some noticalbe washout or negative twist along the horizontal stabilizer's span. During cruise, if wing'...
-1
votes
0answers
54 views

Corona virus and social distance [closed]

How or how are airlines segregating passengers on board still flying aircraft? Are they reducing numbers so that there is space between seats?
4
votes
1answer
594 views

Why do all fifth generation fighters (J20, F22, SU57) put their wing above the fuselage?

I heard that upper wing could increase stability, but why do fighters need it? Or are there some other reasons? Please specify.
-1
votes
1answer
94 views

Would it be beneficial to limit AOA in fly by wire type a/c like F16 jet in dogfights? [closed]

Would limiting the angle of attack to a maximum of 13 degrees by the fly by wire system help pilot gain advantage over his/her enemy during aerial one to one combat? Using such limits would reduce the ...
1
vote
1answer
166 views

What is the effect of a taildragger on P-factor?

By looking an image of P-40 Warhawk with taildragger (and other vintage warplanes), one can conspicuously find the propeller disc of this aircraft isn't perpendicular to the relative airflow which ...
4
votes
2answers
176 views

Has this type of “gyrocompass” ever been used in an aircraft?

One type of instrument commonly referred to as a "gyrocompass" is commonly used in ships. It detects true north based on gyroscopic precession, and is not slaved to any magnetic compass or any ...
0
votes
3answers
225 views

Are there a toilet and (small) kitchen in the Su-34?

It seems that there are a toilet and small kitchen in the Su-34. The Su-34 is a medium range fighter-bomber with a range of action of 4000km able to transport 8 tons of bombs and missile. I know that ...
1
vote
1answer
126 views

Has a flight data recorder or cockpit voice recorder ever failed in an accident?

Has there been a time either during an aviation accident or during normal flight where the flight data recorder or the cockpit voice recorder devices failed or the data was significantly corrupted?
4
votes
1answer
295 views

What Is this on the fuselage of The Fokker F100?

What Is this on the fuselage of The Fokker F100?
3
votes
1answer
153 views

What are these strips on HAL Tejas?

What are these strips on and below the tail of this HAL Tejas?
2
votes
2answers
167 views

What is the average pitch of a plane?

I'm looking for the average pitch of big planes like an Airbus A300. For horizontal travel, is the plane horizontal or does it have a pitch like 1 or 2° (or more)? If the plane does not accelerate ...
25
votes
2answers
9k views

Why does camouflage make some planes fly slower?

Why does camouflage decrease some airplanes' speed? I have noticed that some planes fly slower with camouflage than without it. For example, when the RAF applied camo on the P-51 Mustang, they noticed ...
16
votes
4answers
5k views

How do “tip jet” helicopters cancel the torque effect of the main rotor?

Some helicopters use "tip jet" on the rotor blades tips such as the McDonnell XH-20 Little Henry and Hiller YH-32 Hornet. How do they cancel the rotor torque (often canceled by the tail rotor)?

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