Questions tagged [fighter]

A fighter is an aircraft designed primarily for aerial combat.

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34
votes
4answers
19k views

Do fighter jet pilots ever use autopilot?

I know that military jets have autopilot, but do the pilots actually prefer to use it? I ask this question because, unlike civilian airplanes, military jets are more likely to come in a situation ...
2
votes
1answer
190 views

What is the late BF109's (G models) internal fuel capacity?

What is the late BF109's (G models) internal fuel capacity? I've been trying to google the answer for a few hours with no luck, perhaps someone here has the right source
17
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4answers
15k views

How fast can an F-22 scramble?

The startup process in many military aircraft is, complicated, to say the least. It takes a lot longer than most would think. An F-16 from cold is required to be able to scramble within 5 minutes if ...
2
votes
1answer
658 views

What kind of jet fighter is this?

I visisited Tirana, Albania the first week in August. Outside a shopping mall called "TEG" there was an old jet fighter on display. I can't recognise what make and model this is. Can anybody here help ...
3
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4answers
2k views

What drives the shape of an engine's intake on a fighter jet?

Rectangular intakes have more corners which might increase subsonic pressure losses and would weigh larger than a pitot (Semi-circular) type intake. Are the designer drivers solely based on supersonic ...
5
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3answers
2k views

How does a jet fighter landing flare compare to a civilian plane?

How does a jet fighter flare compare to a civilian plane? How low before flaring? Do pilot keep track of pitch or AoA to know how much should be flared? Is flare at last moment like in airliners, so ...
5
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3answers
631 views

Why do some fighters have two engines?

Some countries (e.g. Russia) develop fighter aircraft (e.g. Sukhoi) with 2 engines. Is it for maneuverability, or is it because they can't build an engine that would meet the power requirement?
2
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1answer
330 views

On modern fighter aircraft, why do most carry a rotary cannon when they tend to have little use against aircraft? [duplicate]

I understand that in multirole or strike aircraft the cannon has a CAS use, but on a purely fighter aircraft, does the benefit of a fallback weapon outweigh the handicap of added weight?
13
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1answer
20k views

Why do some military jets have needle-like structures at the nose and others don't?

I have seen some military jets have a needle-like structure at the nose and some others do not have that. Lockheed SR-71 Blackbirds have that structure and Lockheed Martin F-22 Raptors do not, why so? ...
6
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1answer
624 views

How does a jet fighter with water-skis land safely?

I just read about the Convair F2Y on the obvious encyclopedic site. It's a delta wing jet fighter from the 1950's, with hydroskis so it can take off and land on water. Can such a landing be made ...
11
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6answers
6k views

Can a fighter jet be hit by guns?

Can a fighter jet travelling at fast speed be brought down by a weapon like an M134 Minigun or any machine gun?
4
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3answers
3k views

What is the difference in VTOL technology between British Aerospace Harrier II and F-35B?

F-35B safer and looks more stable in terms of VTOL capability. What is the basic difference between Harrier II and F-35B's VTOL technology?
33
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2answers
7k views

Why is there a white line on Russian fighter jets' instrument panel?

In several Russian fighter jets (e.g., MiG-29, Su-27) there is a white line on the stick that matches with another one on the instrument panel. Is there any reason for this? Cockpit of a mig29 ...
3
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3answers
2k views

Why was Energy Maneuverability theory not applied to the F-14?

In John Boyd's (declassified) 1966 Energy Maneuverability [PDF] report, studies were done on the F-4 and on the MiG-21 and those studies were applied to the F-15, F-16 and F-18. My questions: Why ...
8
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1answer
1k views

What additional functionality is provided by the F-14 nose pitot, absent in early models?

Early model F-14A had no nose pitot: ... but they seem to have quickly acquired them sometime in the late 1970s. The Iranian F-14s have them, and it's quite hard to find a picture of an F-14 without ...
2
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2answers
1k views

Can current fighter jets perform a deadstick landing?

If a current modern day fighter were to have a total engine failure over a suitable landing site or airport, can the pilot safely perform a dead stick landing? If so, are they routinely given training ...
1
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1answer
190 views

Why would a country prefer to purchase Su-35 rather than Su-30MK? [closed]

Given that the Su-35 is merely an upgrade from the Su-27, why is Indonesia purchasing Su-35?
4
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2answers
2k views

Why doesn't F-15 have a protruded cone at its rear like what the Su-35 has?

Why doesn't F-15 have a protruded cone-like structure at its rear like what the Su-35 has? Left one is Su-35. Right one is F-15. This is Radar Warning Receiver. Where is F-15's RWR?
2
votes
1answer
491 views

Reason for limited engine fuselage on Sukhoi fighter aircraft? [closed]

To my amateur eye, there appears to be limited fuselage on the engines for Sukhoi fighters from Su-27 on. That is, the fuselage follows the curvature of the engines closely and there is a definite ...
34
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2answers
6k views

What are these boxes built into the tails of some fighters?

In looking at European-designed fighters of the 4th and 4.5th generation, I keep seeing a common design feature; a box-like structure built into the tail, often in the top half or third. Some examples:...
8
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2answers
4k views

What is this feature on a Sukhoi Su-27? [duplicate]

Most but not all Russian Su-27's (and variants like the Su-30, -32, -33) have a device that looks like a headlight in front of the cockpit. What is it?
8
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2answers
361 views

Are there any methods to predict the location of a jet aircraft from its sound?

At times there are military fighter aircraft flying overhead of my location (MiG-21Bis and Su-30MKI). The first indication of their presence being the sound, that obviously causes one to look up to ...
5
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6answers
664 views

Why mount multiple autocannons on a fighter or CAS aircraft as opposed to a revolving barrel auto-cannon with a higher rate of fire?

Why would one design an aircraft with multiple chain guns instead of a single large rotary cannon, like the GAU-8 Avenger, and similar weapons?
7
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4answers
6k views

Why are civilians not allowed to fly demilitarized US fighter jets?

I have seen it is possible to fly demilitarized Russian fighter jets in the US. Why is it impossible to fly American demilitarized fighter jets?
2
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0answers
1k views

Why F4 Phantom II didn't have an cannon? [duplicate]

Question is simple but seriously ? Who would design a FIGHTER bomber without an cannon ? What was the crazy reason they didn't added an cannon to it ? (Also My CPU is Athlon X2 II 250.... If only I ...
12
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3answers
2k views

Are modern fighter jets allowed to fly with an inoperative ejection seat?

I'm wondering if a modern fighter jet (Eurofighter, JAS Gripen, F-35 etc.) is allowed to fly when the ejection seats are known not to be in working order.
41
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5answers
13k views

Is it possible for an SU-25 to fly high enough to shoot down a Boeing 777?

A common theory from pro-Russian netizens surrounding the MH-17 tragedy is that it was a Ukrainian SU-25 ground attack fighter plane which shot down the civilian airliner. However, MH-17 was flying at ...
61
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6answers
99k views

How do fighter pilots manage food, drink & toilet?

There doesn't seem to be any place to bring food or drink. And what about WC? And for single seat combat planes?
11
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1answer
11k views

Do military pilots have flight & rest hours regulation?

I have read that civil pilots have stringent regulations regarding flight hours and hours of rest between flights. What about military pilots? Does it change between wartime and peacetime? Between ...
26
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2answers
11k views

What happens to jettisoned fuel tanks?

When an F-15 (or your favorite fighter aircraft) punches it's external tanks... ...to engage in combat, (or when they are empty), what happens to them? Through my best reasoning skills and Newton's ...
5
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2answers
5k views

If the EPU (Emergency Power Unit) on a modern fighter jet fails, will the aircraft drop out of the sky?

If the EPU (Emergency Power Unit) and batteries plus engines fail on a modern fighter aircraft, basically they will fall out of the sky, there is no dead stick landing - is this correct?
21
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2answers
9k views

How do fighter jets communicate with an intercepted plane that's lost comms?

RAF Typhoons were scrambled today to intercept an Antonov 26 that lost comms, triggering a sonic boom over London. The flight was escorted to Stansted airport, and the answer at What's the point ...
29
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5answers
6k views

How do aircraft refueling in-air deal with wake turbulence?

Many fighter planes have the capability to refuel in air. When a plane moves in air, turbulence is generated at its back. To refuel, the fighter plane must come near to the parent plane (which has ...
14
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2answers
5k views

Do fighters have black boxes?

Or is it just commercial aircraft? I was watching an episode of Scorpion where an "F-120 Firehawk" crashed and they looked at its black box. So, do normal, non-imaginary fighters have them?
10
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3answers
2k views

What data did the earliest HUDs display (for fighter jets)?

Ideally I'm looking for a screenshot with a bullet list of data. I started my search at the obvious encyclopedic site and was surprised to learn that the earliest HUDs (on fighter jets) go all the way ...
1
vote
1answer
976 views

What is the response time of Pulse Doppler Radar?

We have the Airborne Pulse Doppler radar for weather predictions which are I think same as in the A350s and also in fighter jets so, what is the response time of these radars? For example, if a ...
13
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5answers
6k views

Why don't fighter jets take off vertically?

I've heard the claim repeated many times that some modern fighter jets have an installed thrust greater than their weight, so theoretically they could accelerate straight up. I've never actually ...
47
votes
2answers
31k views

What are these wavy lines on fighters' canopy?

As shown in the images below, what are these wavy lines on the canopy of the aircraft? Do these lines have any utility? These are mostly captured in videos of cockpit views of carrier-based aircraft.
10
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4answers
6k views

Are strategic bombers still useful, or are fighters taking over this role?

During the mid 20th century and cold war, armies were having clear distinction between those aircraft designed as strategic bombers and those designed to be fighters for aerial combat. My ...
15
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7answers
5k views

Why isn't the arresting hook always used on land?

Watching Jet Stream, about training to fly the CF-18 Hornet, they comment that the jet was originally certified as a Navy plane, landing on aircraft carriers with an arresting cable. Usually, when ...
26
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2answers
8k views

Why does NASA have F/A-18s?

I always remember playing FSX as a kid and using the NASA F/A-18, and never thought much about it. And then I saw the picture of the Space Shuttle on top of the 747 being escorted by these planes. ...
10
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2answers
7k views

Do fighter jets have a traditional inverted fuel system?

Common solutions for aerobatic piston singles is to have either header tanks (for wing tanks, as I understand it) or flop tubes (for fuselage tanks). Do fuel systems in a fighter jet work on the same ...
9
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2answers
3k views

How do most fighters slow down after landing?

I understand that many fighters use drogue parachutes and wheel brakes. But aren't there other methods of slowing down after touchdown?
52
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7answers
15k views

Why do fighter aircraft manufacturers still focus on making their planes more dogfight-worthy?

In today's age, when dogfights are simply a relic from the past, why do manufacturers keep on increasing their aircraft maneuverability, in order to make them better dogfighters. It is more ...
4
votes
1answer
952 views

Is it possible to use variable wing geometry on a fifth generation stealth fighter?

Is there any effect on the stealth features due to variable wing geometry? If not, why have such aircraft not been designed till now? Please explain the limitations using any structural principles if ...
8
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3answers
2k views

Can jet fighter missiles descend or ascend?

I am wondering that if missiles fired from jet fighters can ascend or descend? Are they going to aim only horizontally?
12
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5answers
3k views

How do pilots maintain level flight after launching missile?

I saw, on National Geographic, two well built navy guys lifting a comparatively small missile to be attached on wings of an F-18 Super Hornet. So when one missile on left wing is launched doesn't it ...
6
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1answer
3k views

What trade-offs are being made in the design of the planform alignment of stealth aircraft?

Stealth technology uses angles in the aircraft shape, and homogeneous orientation of the surfaces. In the F-22A Raptor wing leading edges, tail surfaces, air intake bypass doors, refueling aperture, ...
2
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2answers
2k views

Is JF-17 a reconfigured Mig-21/F-7?

The JF-17 Thunder is a fighter jet which has been developed with the joint collaboration of Pakistan and China. There has been a lot of hype about this aircraft in recent years. Pakistani and Chinese ...
5
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1answer
2k views

What is the highest muzzle velocity of a gun on any fighter aircraft?

I'm looking for the greatest muzzle velocity of a gun on any fighter aircraft. I looked up the GAU-8 Avenger from the A10 Warthog first. Its muzzle velocity is 1,070 m/s, which is pretty darn high (...

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