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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Why was the Vulcan bomber used for the Falklands raid?

There is a lot of information about this complex operation. But can anybody explain why they chose to use an aircraft? They could easily shoot cruise missiles from a ship or ballistic missiles from a ...
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4answers
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Why was the engine of the Ju-87 Stuka not replaced with a more powerful one?

Related to this question Why did the Ju-87 Stuka have a siren? I would like to know the reasons why they have not changed the engine of the Stuka when they realised it was easy prey for Hurricanes ...
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2answers
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What is missing from a non-afterburning engine to prohibit the use of afterburning?

What components are missing in a non-afterburning engine that an afterburning engine does, so that it can't use afterburning?
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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?
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5answers
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Can a convergent nozzle be used for a supersonic jet engine?

Can a supersonic fighter incorporate a convergent nozzle or does it always have to be a convergent-divergent nozzle?
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What is the force exerted by the catapult on aircraft carriers?

On aircraft carriers there is a catapult that slingshots aircraft so that they can gain lift on the short carrier deck. I have a few related questions - the first is what is the force exerted / ...
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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?
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3answers
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Why was the U-2 so different from the SR-71?

Both were designed for the same goals: taking photographs at high altitude, avoiding radar. Both were designed by the same company with a few years apart. Yet one is a "jet glider", with large ...
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1answer
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Why is there a difference between military parachutes and those used for skydiving?

A couple hours ago I was watching a youtube video where skydivers jump using the skydive parachute, and after that, a military training where the soldiers jump using "old" type parachute, the dome ...
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Do military aircraft overflying other countries' airspace require special clearance?

Is there any special clearance, when military aircraft will overfly other countries' airspace? Are they continuously monitored?
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What is this part between the Su-35's jet exhaust nozzles?

What is the long thing that sticks out between the Su-35's jet exhaust nozzles and what does it do? Source: 4ever.eu
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1answer
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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 ...
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1answer
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Where can I find the flight path data for the Russian spy plane that flew over the US on 9 Aug 2017?

Multiple news outlets are reporting that a Russian spy plane, a Tupolev Tu-154M, flew past various locations in the U.S. Politico is reporting that the plane was seen on a flight-tracking website in ...
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1answer
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What are these accelerating flare countermeasures called?

There seems to be a type of flare countermeasure, that not only gets ejected from the flare dispenser, but also gets accelerated in the direction of the plane. So fare I´ve only noticed it on super ...
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Did British aircraft fly at a specific speed while returning from missions during WWII?

I remember reading a whole lot ago (so I am currently unable to find the reference, sorry) that during WWII, British aircraft would return from missions at a specific speed that was unattainable from ...
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1answer
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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 ...
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1answer
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What is the meaning of “Docile pitch behavior” in the context of Pugachev's Cobra?

In another answer on SE Aviation it is mentioned that the ability to perform Pugachev's Cobra in a non-thrust-vectored aircraft needs "docile pitch behavior of the airframe up to approx. 110° angle ...
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Why does the P-3 Orion use an engine driven compressor instead of bleed air for pressurization?

In another question, an answer mentions that the P-3 Orion uses a gearbox driven compressor for cabin pressurization, even though the aircraft uses T-56 turbine engines that supply bleed air in other ...
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Can jet fighters be made to be 2 or 3 times bigger than they are today?

I was watching videos on the Su-27 again, and this fighter appears to be a heavy version of jet fighters, which means it has longer range and can carry more weight. This got me thinking on what is ...
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Why does the MiG-15 have a cruciform tail?

The horizontal stabilizers of the MiG-15 are halfway up the tail. This is called a cruciform tail. Why did they put them there? Why not a T-tail or the normal tail where the stabilizers are on the ...
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How can cargo be jettisoned from a C-124 in flight?

I was reading about a C-124 that was carrying three nuclear weapons over the Atlantic, and developed engine trouble. The article said that two of the weapons were jettisoned into the ocean for safety ...
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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?
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4answers
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Why are many military fighter aircraft designed to fly supersonic?

It is my understanding that these aircraft rarely fly at supersonic speeds anyway—the ordnance they carry, the increased fuel burn (even with supercruise), and the increased chance of detection make ...
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What are these aircraft at the Naval Air Weapons Station China Lake?

What are these 12 aircraft at the co-ordinates 35.677323, -117.676903? I recognize the F-111 and C-130, but not the others. Source: google maps
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In what manner was the Vympel R-73 (AA-11 Archer) a game-changer in comparison with NATO's missiles?

I have heard that when the Vympel R-73 air-to-air missile was introduced it was a game-changer. I have also heard that after the collapse of the Soviet block it was tested by NATO (via re-united ...
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Why would the USAF have no support for autolanding?

One thing I noticed when reading through the KC-10 flight manual (see page 184 for the specific reference) is that the KC-10 lacks support for Category III operations, unlike its civil DC-10 brethren. ...
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Why is thrust vectoring not used on commercial jets?

Is there a particular reason for which thrust vectoring is not used in airliners as it is with military aircraft besides weight and complexity factors? I understand that on military aircraft ...
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2answers
728 views

Why were turbojets the first kind of turbo-engines, instead of turboprops?

During WW2, the first jet engines appeared en mass in combat aircraft. Britain and Germany made the first ones. But why were turbojets first? Why not turboprops, which are easier since the turbo-...
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1answer
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Why is the end of the F-35's jet nozzle 'spiky'?

Why is the end of the F-35's jet nozzle 'spiky', is it like that to increase performance or some other factor?
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1answer
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What is the feasibility of converting an F-22 to carrier use?

I read that the Navy originally considered to use the ATF(Advanced Tactical Fighter) Programme aircraft (Now known as the F-22) as carrier aircraft but declined to do so when it came out. How feasible ...
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Why do military aircraft use a different kind of aviation fuel?

Regular airliners use JET A-1 fuel. However, I've seen that military aircraft, i.e., Airforce or Navy; use a different kind of fuel called JP-N, where N is a number. What is the reason why this ...
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1answer
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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 ...
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Why don't the US Navy Blue Angels fly Super Hornets?

The US Navy demonstration team has been flying the legacy Hornet for a long time and I was wondering why don't they use the Super Hornet? The legacy Hornet is over 30 years old and showing its age. I ...
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Is the “glass nose” Tu-134 design for easier conversion to military use?

Early versions of the Tu-134 had a glass ('glazed') nose that is unusual for a passenger airliner. It was removed from the later versions. Source: wikimedia.org How probable is the hypothesis that ...
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What is a “departure” in the context of flight testing / maneuvers?

I was reading about the F-35 flight tests and it mentions a "departure" at a couple of places. What does that word mean in this context? I understand spins and stalls but what's a "departure"? AF-...
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Can military personnel land their own private aircraft at military bases?

First off, I am asking similar, but logistically different question to What process do I follow to land a civilian aircraft on a military base? If I am in the US Military (with a valid ID), am I free ...
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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 ...
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How does a combat aircraft handle the recoil force of a mounted gun?

How is the recoil momentum distributed or countered for smaller aircraft or drones while using a mounted gun? Is there any hydraulic mechanism to counter it and how it is distributed across the entire ...
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1answer
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What is a heat dissipater and how does it work?

Wikipedia's Mi-24 Hind article (a Soviet helictoper) says: Heat dissipaters were also fitted to exhausts to decrease the Mi-24's heat signature. There's no citation. What exactly is a heat ...
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1answer
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Do military pilots use amphetamines or other stimulants?

Related to this question: Do military pilots have flight & rest hours regulation? According to the wikipedia article, amphetamines were commonly given to Allied pilots. Are they still in use ...
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Russian-built and NATO (USN, European) probe-and-drogue — are they interoperable?

Considering the current diversity of coalition air fleets in some parts of the world (the Horn of Africa situation comes to mind), can Russian-built tankers refuel NATO probe-and-drogue receivers, and ...
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How to understand US military aircraft designation on the vertical stabilizer?

There are many letters and numbers printed on the vertical stabilizer of US military aircraft. They identify the plane's design and purpose. What are those letters and the meanings?
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1answer
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Do fighter jets have forward-looking radar warnings for missiles, and when was this first implemented?

Let's imagine a swarm of fighter jets intercepting another swarm. Both groups are moving head-on towards each other. Once they get in range, they will probably lock on and fire missiles. Do fighter ...
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1answer
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What is Flexible Gunnery in the US Air Force?

I read many times in English Wikipedia that some servicemen were trained in Flexible Gunnery schools, but I don't get what that exactly means. Example: In January 1942, the 2d Air Force was ...
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When were flares first used as IR countermeasures, and by whom?

I've been trying to find the history of flares (as countermeasures to heat-seeking missiles), but have not had much luck. Closest thing has been this wiki article which has but a single sentence in ...
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1answer
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Does mid-air refueling have very hard constraints on weather?

I'm guessing mid-air refueling has constraints on windspeed and wind direction, visibility, and precipitation. I may have missed some, but those alone make me feel like mid-air refueling can't be done ...
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Why does the Tu-22M3 nose have this peculiar shape?

What is the reason behind this unusual nose shape? I am not referring only to the presence of the protuberance on the tip, but mainly to the asymmetry between the top and bottom side. Image source ...
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What are MTRs used for?

Ok, before you say, "Military Training Routes are used for... uhh... military training," let me elaborate. I've read about how they work with ATC and speed restrictions etc. What I'm wondering is ...
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1answer
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Are there any incidents caused by rudder failure in Military jets?

Based on this question about the rudder position of the F/A-18 Fighter Jet. Quote from the user Rhino Driver: The logic has its limits though and if the pilot exceeds 14 AoA in a landing mode (...
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1answer
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What is the bend in the tip of the blade of the new Black Hawk?

The newer Black Hawks have this angle added to the end of their rotor blades. What is it for? How does it increase or decrease performance? Could this be used on airplane propellers? (...

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