Questions tagged [range]

The maximum distance at which something is effective. This can relate to when an aircraft will run out of fuel, or when an electronic transmission will be too weak to receive.

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An Aircraft is a flight level 150 the DME is at sea level find maximum and minimum range?

I have taken this question from keith williams book. I know that we can find the maximum range of DME by line of sight formula which is R=1.23(Ht + Hr). But I don't know how to determine it's minimum ...
user75017's user avatar
3 votes
1 answer
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Max Range Relationship to Altitude for Propeller-Driven Aircraft

Chapter 11 of the PHAK states, "If a change in altitude causes identical changes in speed and power required, the proportion of speed to power required would be unchanged. The fact implies that ...
Terry's user avatar
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4 votes
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Airliner sharp wing tip vs elleptical [duplicate]

Now that most airliner manufacturers are using composite materials for wings, making compound curves is much easier to produce, why aren't we seeing elliptical wings, outer panels or wing tips? ...
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7 votes
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What would be the range of a cargo 777 full of usable fuel up to MTOW?

Having read about Rutan's Voyager and more recently about Virgin Atlantic GlobalFlyer I wondered how would some modern long haul airliner such as a cargo Boeing777 (or other airliner) perform at this ...
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Density Altitude and Cruise Performance

Obviously higher temperature than standard and lower pressure than standard (high density altitude) hurt takeoff performance. The wings have less air molecules to produce lift with, and a typical ...
Terry's user avatar
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2 votes
1 answer
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How does the A220-300 have lower fuel capacity and longer range than the -100 variant?

The A220-100 and -300 variants have relevant specs of (respectively) fuel capacities of 21,805L and 21,508L MTOW of 63T and 71T Range of 3450 nmi and 3600 nmi How is the bigger, heavier variant ...
Phil Miller's user avatar
2 votes
0 answers
150 views

What is the longest range unrefueled production aircraft?

I was looking at the re-engined B52 project which was supposed to extend its 8800sm unrefueled combat range/10,145sm ferry range by 40%, making it 12,320/14,203sm. What is the longest range unrefueled ...
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what's the difference between an ER and an LR variant of the 777-200

I was curious about the difference between the 777-200 LR and the 777-200 ER ER stands for extended range LR stands for long range What's the between them difference? Why have two variants which do ...
Aviation Enthusiast's user avatar
2 votes
1 answer
98 views

How can I find the type of CRL VOR at LTBU Corlu Ataturk airport? (Terminal,Low,High)

How can I find the type of CRL VOR at LTBU Corlu Ataturk airport? (Terminal, Low, High) Although there are reference documents for the FAA, I could not find a document for ICAO with the types of VOR ...
pilot162's user avatar
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3 votes
1 answer
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Why are the altitudes and distances in the profile view different when calculated with the fpm values in the conversion table on Jeppesen charts?

Why are the altitudes and distances in the profile view different when calculated with the fpm values in the conversion table on Jeppesen charts? To put it more simply, I find the distance between ...
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Short Take Off and Landing, and Range

Can a plane have good range with a short take-off and landing (STOL) capability? If not, why. I have noticed STOL planes with lack the better good seat miles per gallon of planes that need longer ...
Justintimeforfun's user avatar
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1 answer
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Can a 747 airfoil be scaled down for smaller jet planes?

At the loss of its acrobatic ability, could an airfoil similar to the 747 be downsized to allow a small jet to climb higher and extend its range? This plane with its wing profile is highly acrobatic, ...
Justintimeforfun's user avatar
8 votes
2 answers
3k views

Which aircraft has the best fuel mileage per person?

I was looking at a BD-5 that got 32 miles to the gallon for one person and wonder: Which plane gets the most fuel mileage if you divide the number of passengers against the mileage of the plane? ...
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Confused about best range speed and Carson speed

I have read that best lift /drag ratio gives maximum range which makes perfect sense to me. I have also read Carson speed gives the best fuel consumption. which doesn’t make sense because this would ...
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779 views

Could an executive configured ATR 42-600 get 2000nm range?

Say you wanted to outfit an ATR 42-600 for executive transportation like a smaller version of an Airbus ACJ 220. For example, 2 living areas of 4 rows, 1 sleeping area of 3 rows (a double below and a ...
Edmund's user avatar
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Why do fighter aircraft not use anti-shock bodies for fuel storage?

My question bears specific reference to the anti shock bodies (also known as Küchemann carrots) used on the wings of the Convair 990 jetliner. Whilst they increased the maximum speed of the aeroplane ...
user63370's user avatar
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What transatlantic flight routes are available for a Pilatus PC-24 with std configuration [closed]

I'm interested in this plane, but the aircraft's advertised range is 1,800nm with 6 passengers onboard. So a direct flight is not possible. How do you fly from e.g. Paris to New York? What are the ...
julien_c's user avatar
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1 answer
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Does the optimum LRC speed increase or decrease as the GW of the aircraft decreases during a long range flight?

I do not know what defines the optimum LRC speed for each aircraft, aeronautically speaking. I suspect it has something to do with optimum AoA but even then I am not sure if the LRC speed should ...
Stamatis Vellis's user avatar
2 votes
1 answer
706 views

How far could a KC-10 tanker fly if it consumed all of its internal fuel tanks?

I have read that the KC-10 tanker aircraft carries a maximum load of 356,000 lbs of fuel. It also consumes the same fuel that it carries for refueling other aircraft. So naturally, I am wondering: If ...
Neal's user avatar
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2 answers
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Comparison: e-aircraft vs. ground EV modes (car, coach, rail)

I'm looking for (and struggling to find) a comparison for any e-aircraft vs. ground EV modes (car, coach, rail) carrying an equivalent payload, an equivalent distance. So basically, if you fly from ...
Green Sky Thinking's user avatar
2 votes
1 answer
532 views

Which single pilot aircraft had a range of at least 2160nm in the late 90s?

I'm writing a book and looking for an airplane that can handle that distance (2160nm), was available back in the late 90s, and can be operated by a single pilot. Thanks!
root66's user avatar
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3 votes
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What is the correct range of the 787-10?

There are two conflicting values for the 787-10's range; they are: 6,345 NM (11,750 km) -- boeing.com 7,000 NM (12,975 km) -- on the same website few years ago, as well as flightglobal.com Note: In ...
Khaled Z's user avatar
32 votes
1 answer
6k views

Why did flying boats in the '30s and '40s have a longer range than land based aircraft?

I just learned that until shortly after world war 2, flying boats had a longer range than land based aircraft In the 1930s, a flying boat route was the only practical means of transatlantic air ...
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2 answers
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Will increasing the wing area result in higher aircraft range?

Intuitively, it seems that a low loading (large area) wing will allow to climb higher from the start, thus increasing true air speed and range. At the same time, a low loading wing also calls for a ...
Electric Pilot's user avatar
1 vote
2 answers
195 views

How does change in aircraft's weight equal fuel mass flow rate multiplied by 'g'?

Can someone help me understand how does $$\frac{dW}{dt} = -\dot{m}_f \cdot g ,$$ where $\dot{m}_f$ is fuel mass flow rate. This is the first equation laid down in the Breguet range equation derivation....
hegemon8's user avatar
1 vote
1 answer
3k views

Why are the best glide and best range airspeeds different for a C172?

According to Cessna 172 POH the speed for max range with power off, or glide speed, is 65, and achieved at the best L/D ratio. However with power on the speed for max range will be around 75. Why is ...
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1 vote
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474 views

What plane cost less per mile to operate for one person? [closed]

The 98 Toyota Corolla has a strong history for being a low maintenance, fuel efficient and cheap car. 400k mile reliability if driven with respect and preventative maintenance. What plane has these ...
Justintimeforfun's user avatar
23 votes
3 answers
5k views

In an engine failure, should I expect less range than with the engine in idle?

I fly a C172 (fix pitch propeller) and when my instructor and I practice a simulated engine failure, we do not turn off the engine, instead we set the engine to idle. In an actual engine failure, ...
Miguel Hernández's user avatar
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1 answer
1k views

How can a designer maximize the glide ratio of an aircraft with low aspect ratio wings, other than by increasing the aspect ratio?

As I understand it, the gliding range is given by a lift to drag ratio—hence to increase the gliding range, I would want to increase the lift and reduce the drag as much as possible. To that end, ...
singularity's user avatar
9 votes
3 answers
2k views

Why do propellers have less theoretical range (i.e. range ignoring impatient passengers wanting to go fast) than jets, despite greater efficiency?

I was playing around with the breguet range equation recently, and came across a suprising result, that propellers have less range than jets, despite having greater efficiency. The range equation for ...
Anonymous Person's user avatar
2 votes
2 answers
410 views

What is the approximate range of the Pelegrin Tarragon?

I recently read about the Pelegrin Tarragon ultralight aircraft made in my country, and got interested in it. Is it possible to have a reasonable estimate of the average distance you could cover in ...
Gnudiff's user avatar
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1 answer
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How far could the Airbus A321XLR actually fly commercially?

Airbus states It will offer even more range – up to 4,700 nm (8,700 km) – in a comfortable 2-class layout There is an animation which contains this: And that is 4735 miles. So now I am intensely ...
chx's user avatar
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2 votes
2 answers
209 views

"Gross" and "net" planned runway length for the Haifa airport

My city's mayor was just boasting on how she'd gotten an approval for an airport runway of length "2100 m gross, 1900 m net length", and that this would be enough to connect the city - Haifa - to hubs ...
einpoklum's user avatar
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6 votes
5 answers
467 views

How efficient would an airliner be if it did not have to carry its own fuel?

Hypothetically, if all the fuel was supplied externally or pulled from the atmosphere to where the plane had never to carry any fuel on board, how much more efficient would an airliner be? The plane ...
Muze's user avatar
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1 vote
0 answers
98 views

Fuel quantity vs. range

I'm just a Flight Simulator player with no real-life flying experience, so I apologize in advance if I'm asking a stupid question :) I watched a TV show and saw that certain courier companies (DHL ...
vtomic85's user avatar
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1 vote
3 answers
497 views

What are the limits of ground effect over water on an airliner plane at cruising speeds? [duplicate]

What height over a fixed plain (such as water) can a plane begin to take advantage of the ground effect or when air is compressed between the wing and ground near cruizing speed? Could an airliner ...
Muze's user avatar
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2 votes
1 answer
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What's the maximum range an A350-900 can reach at TOW of 250,606 kg and full payload?

When the TOW (takeoff weight) of an A350-900 is 250,606 kg (because of runway length limitation), with maximum payload, what is the maximum range it can reach using the chart above? It is easy to ...
Yip's user avatar
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3 votes
2 answers
314 views

What is the maximum (unloaded) range of the Beluga XL?

Airbus states that the range of the Beluga XL is 4000 km at maximum payload. Does anyone have a figure (or estimate) for it's maximum range with no payload?
RuthLessPirate's user avatar
2 votes
1 answer
3k views

What is the range difference between LEAP and PW1000 powered A320 and A321 NEOs?

Mounted on the same aircraft, PW 1000G and CFM LEAP are two very different engines, with different performances, that should have an impact on range. And we know range is a very important aircraft ...
the world is not flat's user avatar
1 vote
1 answer
3k views

What is the differance between gliding for maximum range and gliding for maximum endurance? [duplicate]

Is there a difference between gliding for maximum range vs. endurance? Is the glide speed the same for max. endurance and max. range?
Martin's user avatar
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3 votes
1 answer
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Does lift coefficient for maximum range change for a glider experiencing headwind?

When a glider or unpropelled aircraft experiences headwind, I understand that the flight velocity and sink velocity for the "new" maximum possible range both increase (see velocity polar from How does ...
HotDogCannon's user avatar
9 votes
1 answer
391 views

Jettisonable wingspan for early long-range airplanes

Reading this question, I was wondering if, at some point early in aviation history there may have been designs or concepts anticipating variable swept wing by "expendable wingspan wing"? For ...
user avatar
3 votes
4 answers
859 views

What determines a plane's range?

When a planes maximum range is specified, is fuel [capacity] the only constraint or what else is taken into account? Would it always or ever be the case that a greater fuel capacity will increase ...
cdsln's user avatar
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5 votes
2 answers
492 views

How did shortening the 707 increase its range?

According to the Wikipedia entry for the 707-120: The 707-138 was a −120 with a fuselage 10 ft (3.0 m) shorter than the others, with 5 ft (1.5 m) (three frames) removed ahead and behind the wing, ...
FreeMan's user avatar
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2 votes
1 answer
465 views

Gliding range if engine is off

The engine was turned off at 1000m above sea level. If you ignore the landing pattern, how long can the runway be within a few kilometers of the landing to safely land? However, the wind is blowing at ...
설승우's user avatar
3 votes
2 answers
645 views

How did the two F-35 planes get from Fort Worth to Williamtown?

I am curious as to how the the F-35s that recently arrived in Williamtown, Australia did arrive there. Were they transported at any point, or were they flown the entire way? How many stops did they ...
Scorb's user avatar
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4 votes
2 answers
32k views

Which single pilot jet has the largest cabin and longest range?

I'm looking to rent a jet for a trip round the world with my friends but also since I have my license and MEIR, I'll be able to fly myself and don't want to hire another pilot. Which single pilot jet ...
Requis's user avatar
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5 votes
1 answer
415 views

How did Airbus fit 6,340 gallons more fuel into the A359?

Bloomberg posted an article that says, among other things, the A350 ULR variant increases range by utilizing "additional space already available in the existing tanks to carry an extra 6,340 gallons ...
Charlie X.'s user avatar
2 votes
2 answers
510 views

Would it have been feasible to install 'conformal fuel tanks' on the Mercure?

The Dassault Mercure was a short-range twin-jet airliner. It was canceled with sales not reaching the breakeven point. Other similar jetliners like the Boeing 737 had a more convenient longer range. ...
Urquiola's user avatar
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9 votes
3 answers
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How could a twin aisle aircraft (Boeing NMA) ever have a single aisle (A321) economics?

I understand from this discussion about the Boeing 757 and 767 that drag is directly related to the front area of the airframe, hence flight efficiency of the dual aisle aircraft can only be ...
the world is not flat's user avatar