Questions tagged [military]

For questions relating to military aviation or possible effects of a country's military on other forms of aviation.

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4
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1answer
400 views

What is the aerodynamic reason military parachutes are square?

Until these, I had only ever seen round military parachutes. The slots also differ between paratroop and cargo.
1
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1answer
558 views

How does ATC radar display differ from military radar?

Could you summarize what sort of data/objects are present in one type of display but not another? (not asking about construction differences, just the user-facing end, the display/interface.) A ...
6
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1answer
527 views

Is there any way to reduce the noise and vibration in a C-130 Hercules?

We are using C-130 B and E Models with T-56 A-15 engines and Hamilton Sundstrand 54H60-91/117 propellers. A lot of vibration and resonance are felt on these military version aircraft even after using ...
0
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0answers
78 views

Where can I find power and heat specifications for EFIS and IFE systems?

I am working on an MSc. thesis project about the electrification of aircraft. Since the rule of thumb is to design the generators for the worst case scenario, I would like to include as much ...
24
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5answers
4k views

Why are accident rates higher on smaller aircraft?

This question was raised as part of this discussion. Why are accident rates higher on smaller aircraft? It seems the safety record of military, private and small commuter planes is much less safe ...
11
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4answers
7k views

What are the differences between the MiG-15 and MiG-17?

Apart from the extra wing fence and angled leading edge of the MiG-17, what are the differences visually between the two aircraft?
21
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5answers
1k views

Which aircraft have fought against its own type in active combat?

The criteria for this question are The aircraft has to be the same type (but not necessarily the same mark) The two opposing sides are actively hostile; but not restricted to nation states (so civil ...
4
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3answers
1k 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?
3
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2answers
609 views

Why is the F-117A the only plane to use the fully faceted design? [duplicate]

One of the keys to the stealth capability was its faceted design. The concept is that curved surfaces have a larger radar cross-section. The idea of making all surfaces flat to reflect radar away from ...
3
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2answers
726 views

What is a typical altitude for a dogfight?

At what altitude(s) do dogfights typically occur? How has this changed from World War I up to now?
8
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1answer
745 views

From which aircraft does this vintage altimeter come from?

I bought this vintage U.S. Navy Kollsman altimeter at a market in Bangkok, Thailand. Unfortunately, I don't have any info other than what you see in the photos. It's a Kollsman altimter and the ...
2
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1answer
241 views

Qualification Requirement of Aircraft taxi and landing lights?

Can anyone provide any standard through which taxi and landing lights are certified for use on aircraft? And which certification is required for military aircraft lighting systems?
4
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1answer
475 views

Why don't the newest versions of Mi-35Ms have retractable gear?

Older versions of Mi-35 Hind helicopters had wheel boxes so that they could retract their wheels while flying. Why don't the newest versions of Mi-35Ms have wheel boxes?
0
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1answer
2k views

How practical might it be, to carry military tanks by helicopter(s) to remote areas? [closed]

How practical might it be, to carry military tanks by helicopter(s) to remote areas? Wikipedia lists the M1 A2 Abrams tank at 65 metric tons. HeliPress lists the Russian-made Mi 26 copter as being ...
3
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0answers
311 views

Could an AN/APG-79 AESA radar “lock-on” a single bird?

Could a fighter pilot in 2015 using an AN/APG-79 AESA radar "lock-on" a single bird? I know that modern radars like the AN/APG-79 in modern combat aircraft like the F/A-18F filter out false alarms ...
13
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3answers
790 views

If a circling airplane (AC-130) fires a bullet how does the plane's trajectory alter the shell's flight path?

Background: An AC-130 is a military aircraft that has a cannon that fires out the side of its fuselage. If an AC-130 (or similar aircraft) is traveling in straight, level flight at a constant rate of ...
5
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3answers
3k views

Why don't most military transports use modern commercial engines?

Why don't most military transports use modern commercial engines? More specifically planes like C-17, the Antonov's use older less powerful engines while modern efficient and powerful engines are ...
5
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3answers
2k views

Why wasn't there a belly gunner on the B-25 Mitchell?

The B-25 Mitchell doesn't have a belly gunner, which would seem quite dangerous. Why didn't it have one?
3
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0answers
152 views

How are foreign militaries regulated in the USA?

I believe the US military is not officially subject to the FARs, but what about foreign military aviation? What about aviation activities of the various National Guard outfits? Example...the Belgium ...
9
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3answers
2k views

How effective was WWII bombers self defense anti-air armament?

Bigger WWII bombers like e.g. the B-17 Flying Fortress were equipped with lots of machine guns for self-defense against single-seat fighter aircraft. Wikipedia says: Defensive armament increased ...
-3
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2answers
414 views

How expensive would it be for ejection seats to be installed on commuter planes?

Statistically, the chances of you being in an aircraft incident are extremely low, and once these seats are in place, you would never have to move them or do maintenance. The only difficult task is ...
10
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5answers
2k views

Why does the radome on the AWACS rotate?

I'm not sure I understand why the radome on the AWACS aircraft is so large, and could somebody explain the design and why it has to rotate?
4
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1answer
327 views

What does Lockheed have to do to mark the end of the F-35's SDD?

What does Lockheed Martin have to do to mark the end, or close out, the System Development and Demonstration phase of the F-35?
9
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2answers
2k views

How are military jets given official names?

How is a military jet given a nickname? Does the manufacturer name the plane? For example, did Lockheed Martin name the Raptor (F-22) and Lightning II (F-35)?
16
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2answers
18k views

What is the history of “Joker” and “Bingo” fuel terms?

Why do we use, in military aircraft, the words "Joker" and "Bingo" to indicate the fuel status of the aircraft? What is the history of these two terms?
2
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1answer
286 views

What license woud an ex-military aircraft (E.g, L-39) go under according to the UK-CAA, an EASA licence or a non-EASA license?

I've been looking around for the sale of ex-military jets, to own and fly, namely an Aero Vodochody L-39 Albatros, and so out of interest had a look at the CAA website for infomation on licenses, ...
3
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3answers
2k views

Why are the largest civilian aircraft not adapted for military use?

Frequently, civilian aircraft models are militarized, e.g. into the role of tankers, AWACS and others. In this militarization, we see a lot of "medium-large" aircraft, such as B707, A330. The super-...
5
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1answer
336 views

Is it possible to power a B-52 bomber with four bypass turbofan engines?

Is it possible to power the B-52 Bomber with 4 bypass turbofan engines instead of the eight in its current configuration? They would have less noise and be a lot more fuel efficient.
5
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1answer
634 views

What callsigns do UK Medical Emergency Response Teams use?

I'm making a simulation game and there's a large focus on the humanitarian effort military personnel put in, putting aside the shooting and more on the story. Part of this is a Medical Emergency ...
19
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2answers
981 views

Are transport gliders used by modern armies?

Famous WW2 operations involved transport gliders, for troops landing and vehicles transportation behind front lines. Gliders were cheap and quiet aircraft. The advantage over individual parachutes ...
9
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1answer
871 views

What is the purpose of the small wheel at the end of the F-14’s launch bar?

At the end of the launch bar (catapult strop link) on the F-14 airplane, there is a small wheel. Does anyone know what this is used for?
11
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1answer
2k views

Why was the F-117 retired so quickly?

Why was the F-117 retired after so few years in service (Approximately 25 years) while other military aircraft are in service for many decades? Many of the 60 built should still be air-worthy. For ...
41
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8answers
15k views

Why don't modern heavy bombers have gun turrets?

I know that for a period of time the B-52 had a tailgunner, but nowadays many heavy bombers lack any turret defense.Why?
12
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3answers
7k views

What is the meaning of nose-art on the Tu-160 bomber?

The BBC reports another Tu-160 interception on 15 Jan 2018 and it's clear that there is a large message painted on the side of the bomber. Looking at the Wikipedia page, it seems this style of nose-...
10
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1answer
1k views

Can civilians who buy ex-military fighter jets get the necessary maintenance information for them?

I was looking for fighter jets which are available to be bought by private citizens. I was wondering: how would you schedule the maintenance, as most of the jets are ex-military and there are no ...
8
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2answers
3k 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?
-3
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1answer
416 views

How do pilots protect their necks in jet fighters?

My uncle once told a story of a pilot forgetting to strap his neck, which snapped mid-flight and the plane crashed. How do pilots strap their neck properly?
8
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2answers
2k views

How does the target indicator on a jet fighter work?

How does the target indicator in Jet Fighter Aircraft work? How does it stay on target? Is this queued from the radar, from infrared or is this image classification? What does the x in the target ...
4
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2answers
2k views

What do all the indicators on a HUD mean?

Every Jet Fighter these days seems to have a Head Up Display. What do all of these indicators mean? Some things are fairly obvious: there is a compass there is an artificial horizon Other ...
5
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6answers
563 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?
1
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1answer
479 views

What is the average number of daily flights for all types of aircraft in use worldwide?

I'd like to know how many flights occur on average every day worldwide. This includes all commercial passenger and cargo aircraft, all non-commercial aircraft, private aircraft and military aircraft. ...
24
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1answer
6k views

How does the head-up display on a spitfire work?

It turns out that the Spitfire from World War 2 had a head up display. Does anybody know how it worked exactly? All I could find was this picture, but no explanation: Source The source does not ...
35
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3answers
11k views

How much is airspeed reduced on an A10-Warthog when firing its cannon?

I just read on reddit that you could use the recoil of the gun as the propelling force for the A-10 if pointed backwards. There is also a question here on Aviation.SE, saying that the gun has the same ...
9
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3answers
2k views

How much computing power is needed to keep commercial and military planes flying?

I've always wondered, what sort of computing power is needed to keep modern commercial and military planes in the air? There are many systems of a modern commercial plane (e.g an Airbus A350), that ...
13
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1answer
2k views

Why don't bombers have close-in weapon systems (CIWS)?

Besides the TU-22 radar-controlled rear-cannon, why aren't there close-in weapon systems (CIWS) on planes to defend against incoming missiles? The tech seems to be there.
17
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3answers
4k views

Can high-bypass turbofans cruise at high altitude?

They have talked for years about re-engining the B-52 with something more modern than its TF33-P-3/JT3D turbofans, which are fairly low-bypass (1.42:1 for the JT3D). Modern engines are much higher ...
34
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1answer
5k views

What is this aircraft that appeared at Oshkosh 2017?

This photo is an image from a youtube video of Oshkosh 2017.
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0answers
847 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 ...
0
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1answer
125 views

Will manned aircraft have to defend ground targets against unmanned aircraft in the future? [closed]

Given that current Unmanned Combat Aerial Vehicle (UCAV) development is mainly directed towards the strike role, is it most probable that a future manned vs unmanned combat aircraft scenario will ...
2
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1answer
315 views

What were the “flap pump” and “gear pump” on the F-4E Phantom II?

When I choose the F-4 in X-Plane 8 there are "buttons" labeled "flap pump" and "gear pump", whose tooltips say something like: Manually operating and closing flaps/pumps in a failure So How did ...