Hot answers tagged

105

To answer the list in order: Do they fly hop to hop? An F-18 can go 3,000km unloaded (ordnance adds a lot of drag) and that's plenty from Australia. You can get to the Middle East in 4 hops, no air-to-air refuelling required. Although if you do an in-flight top-up you can add more than the regular range because you don't need to burn any fuel getting back ...


71

I am former fighter pilot: We often fly "hop to hop" but depending on the total distance, the need for urgency, and the distance over water we also fly with tankers and air refuel. Of course the tankers sometimes don't have the fuel for themselves and for us. In those cases, we'll just leave one tanker and rendezvous with another tanker enroute. Everything ...


50

Helicopters are very inefficient in forward flight, for several reasons. Consider Glauert's high speed assumption, i.e. the helicopter can be represented as an aircraft with a circular wing during high speed flight. Now, if you know anything about basic fixed-wing performance, you'll realize immediately that this implies an aspect ratio just over 1, ...


41

Short Answer A procedure had been established to return from a Transoceanic Abort Landing (TAL) site to the Kennedy Space Center (KSC) using the Shuttle Carrier Aircraft (SCA). The maximum weight that could be ferried from Europe was approx. 87,000 kg, so so weight had to be removed from the orbiter prior to being mated. The SCA had a maximum range, ...


40

Sometimes they do add temporary tanks. Here's a picture of what Hawaiian Airlines had to do to get their fleet of 717's over the Pacific because they did not have the range. I don't have the answer to your question specifically, but I would guess they either add temporary tanks and go from SBNT-GUCY which is not much further than max-range, or take the long ...


30

Because they are less efficient than fixed-wing aircraft. The rotor blades need to move significantly faster than the craft and therefore incur significantly more drag than fixed wings. More drag is caused by the suboptimal lift distribution. The centre of the rotor creates little lift because the blades are slow there and is shielded by the fuselage, which ...


28

Yes, it was possible and NASA had a plan. Enterprise was taken on a European tour in 1983, visiting the UK, France, Germany and Italy. To get there, it crossed the Atlantic on the back of the Shuttle Carrier Aircraft (the converted 747). According to Slate, the range of the SCA was about 1,000 nautical miles so it made refuelling stops at Goose Bay and ...


27

Ferry range of an FA18-E/F (with ferry tanks attached) is ~ 1800nm. There are any number of possible routes from YAMB to DHF. The choice of route will be influenced by weather, speed, and politics (third country over flight and landing rights). It is possible, also, to mix ferry and refueling. One could, for example, do YAMB-DCN-CCK-NWK-DHF (see image ...


26

First of all, yes, there are tricks to get the aircraft fly farther. You can leave the payload out, this will allow you to fill all fuel tanks without reaching the maximum take-off mass. Less mass means less induced drag, so you can fly higher and at a lower fuel flow. It will also allow you to install temporary tanks to carry even more fuel than the ...


26

Good Question! They are typically flown in legs from Australia, or if long distance over water, conduct air - air refuelling. The Super Hornets you are talking about will most likely stop at somewhere like Butterworth in Malaysia, then fly onto Dubai, possibly meeting with the MRTT sent the day before to refuel enroute. Australia does not have any Aircraft ...


25

Flying with only one of two engines will not increase range, but reduce it. A gas turbine consumes fuel in proportion to the mass of air moving through it, so with increasing altitude consumption decreases proportional with air density. Thrust goes down with density as well, so thrust-specific fuel consumption is roughly constant (actually, the engine ...


25

When aircraft are stretched, they usually just receive extra fuselage plugs on both sides of the wing: wing redesigns are incredibly expensive and take a long time. So the longer aircraft has a higher empty weight, and due to the unchanged wing design the fuel capacity remains the same - this reduces range. The aircraft is fuel limited. Conversely, if ...


20

You have asked several questions. I'll try to answer them in order to clarify. Is the ferry range specified anywhere? From the Airbus website, we find for the Engine Alliance GP7000 engine option the ferry range is ~9,600 NM. Let's just say it's 9,500 NM. A: 9,500 NM. Also, waiting for the right trade winds can increase you range. Can an A380 fly between ...


20

My answer was rather concise first, and I got the impression that I need to elaborate the question first. The question is about the best airspeed for maximum range. With wind. Best range means you cover the most distance while the wind is carrying the plane with it. If you have a headwind, the longer you stay aloft, the more you are carried back, so you ...


20

You keep it clean: adding flaps adds drag. You can see this in Section 3 of the Cessna POH, which includes a Maximum Glide (distance) diagram. In the C172S POH that I checked, it notes that maximum distance is achieved with: SPEED 68 KIAS PROPELLER WINDMILLING FLAPS UP ZERO WIND (A tailwind would extend your range, but only in one direction.) ...


16

I flew in a brand spanking new Airbus A320 on its maiden voyage from Toulouse, France to New York about 13 years ago. We had to stop in Iceland and Newfoundland for fuel before heading to New York. At Oshkosh every year (EAA Airventure) I hear about pilots crossing from Africa (the furthest western point) to the furthest eastern point of Brazil in a single ...


15

Not all fuel is stored in the wings. Some is also stored in the fuselage. The ER variants have a larger, or additional, centre (fuselage) tanks at the expense of cargo bays volume. The centre tank is located between the wings to minimize the change in centre of gravity as the fuel is consumed. The wing spar, which must go through to provide sufficient ...


15

There aren't any civilian, current-production jets that come close to the range of the SJ30 for single pilot operations based on my research, although one or two turboprops have comparable ranges. I consulted Aviation Week's "Business Airplane's 2012" and the only other light jets listed with a long range are the Embraer Phenom 300 with a range of 1,954 nm, ...


12

An Australian company I used to work for purchased a Jetstream 41 turboprop off an American seller. With a range of only about 1400 kilometres, there was no chance of safely making it across the Pacific. So the ferry flight went through Canada, Alaska, Russia, right down through south Asia to northen Australia. So the answer is, when they can't extend the ...


12

It says it right there on the page where the service volumes are described in the AIM: 1-1-8. Navigational Aid (NAVAID) Service Volumes c. Standard Service Volume limitations do not apply to published IFR routes or procedures. So V267 has been flown at the MEA by an FAA plane, and it obviously met the signal accuracy requirements to be usable at ...


12

There are only a hand full of single pilot jets in production currently and the SJ30x seems to have the longest range by far. The other competitors in the space, the Cessna Citation Mustang, The Honda Jet and the D-Jet come in roughly in the 1300-1500 mile mark which is far less than the SJ30x. Depending on how far you are willing to stretch the planes ...


11

They may do hop to hop or they may use inflight refueling. Of course that opens up the problem of the tankers having enough fuel. Not all tankers can re-fuel in the air, but some can. When the RAF did the Black Buck raids in the Falklands war (~12000km), they were offered the use of US Stratotankers. They decided it would not work because the Stratotankers ...


10

Generally, climbing as high as you can would be close to the optimum strategy. In the end, the altitude is given by the optimum lift coefficient in cruise, which can be approximated as $$c_L = \sqrt{\frac{1-n_v}{n_v+3}\cdot \pi \cdot AR \cdot \epsilon \cdot c_{D0}}$$ Now it will be important to get the thrust over speed dependency right, which is expressed ...


9

You can't land just any plane on an aircraft carrier, it has to have tail hooks and the pilot needs special training. The Aussie F/A-18s are not equipped to land on aircraft carriers. So they have to do short 'hops' or in flight re-fuel.


9

I'm answering a point in a comment by the OP, rather than answering the question itself directly - but I do think it's totally relevant. Feel free to vote accordingly :) This list provides a list of Concorde destinations. I am assuming that it is complete. I have not gone through every route but looking down the list suggests that GOOY-SBGL (Dakar to Rio)...


8

According to wikipedia it has a range of 2909 km and the distance is around 2500 km


8

Apparently Yes. From NASA document Space Shuttle Transoceanic Abort Landing (TAL) Sites(emphasis mine): Payloads and/or airborne support equipment will remain onboard the orbiter for the flight back to Kennedy Space Center unless the capability of the shuttle carrier aircraft, landing site location or other requirements dictate otherwise. The document ...


8

Here is an interesting slide show that may be of some help. The FAA still does (although extremely rarely from my understanding), issue a flight navigator rating. This rating dates back to the early days before avionics were as sophisticated as they are today. The FAA publishes this handbook (for the rating), Chapter 15 covers pressure pattern navigation ...


8

An estimate: An F-18E Rhino can only obtain its maximum speed of Mach 1.8 only at 36,000 ft in ideal air conditions and only in a clean configuration i.e. no external stores. At 36000 ft at STP, Mach 1.8 translates to approximately 550 m/s or 1069 KTAS using the equations: v = M*SQRT(g * R * T) Where v is the velocity of the jet in m/s, M is the Mach ...


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