Questions tagged [boeing-767]

A mid-to-long-range widebody twinjet airliner produced by Boeing since 1981.

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How can tailplane force imbalance twist a tailcone off?

http://www.rvs.uni-bielefeld.de/publications/Incidents/DOCS/ComAndRep/LaudaAir/LaudaRPT.html#2.2.3 2.2.2 In-Flight Breakup Sequence The analysis of the major structural damage showed that the ...
Abdullah is not an Amalekite's user avatar
2 votes
2 answers
249 views

767 fuel line issue

Recently flew a 767 that needed to turn back after about 45 minutes b/c, according to the pilot, fuel was only being pumped from one tank, which could lead to an imbalance if left to continue. ...
cph2117's user avatar
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22 votes
1 answer
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Why doesn't this 767 nose paint line up with the rest of the paint?

Looking at this Boeing 767 you'll notice that the nose paint is not lined up with the rest of the paint. But the same model with the same paint scheme on the second image is fine. What is the reason ...
Boeing787's user avatar
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8 votes
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Do all 767-200s have speedbrakes that deploy automatically upon touchdown?

It may just be a coincidence, but I found two videos that involve the 767-200's speedbrakes not deploying automatically upon touchdown (which should occur if they are armed). The first video shows the ...
Charles Nicholson's user avatar
4 votes
2 answers
760 views

When, if ever, did the 767 move to floatsticks?

I was looking over the wiki article on the Gimli Glider and noticed updates exchanged the term "floatstick" where "dripstick" was previously used. I had not heard this term but a ...
Maury Markowitz's user avatar
4 votes
0 answers
614 views

Why are there two different throttle designs for the 757 and 767?

There is this one, which seems to be the older version. Notice there is a big gap between each lever, except at the top. And this one. Notice there is almost no gap between each lever, making it ...
Charles Nicholson's user avatar
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0 answers
205 views

What is the lift coefficient of the B767-400ER?

Can anyone tell me what is the lift coefficient of B767-400ER please? I have searched it in Boeing website and Delta Airlines website but still couldn't find the data of the aircraft performances. ...
aviation beginner's user avatar
4 votes
1 answer
380 views

How did the 767/757 reduce fuel burn relative to older aircraft (like the 727)?

When Boeing launched the 757 and 767 aircraft, they widely touted it's improved fuel efficiency relative to previous airliners. Notably: Delta stated that the 767 was "quieter and 30 percent ...
interested22's user avatar
1 vote
0 answers
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Why do the landing gears of Boeing 767 and certain Airbus aircraft tilt down? [duplicate]

I need help and some explanation on why are they sometimes tilted down instead of up.
Pagong27Gaming's user avatar
2 votes
1 answer
434 views

How much pressure do boost and jettison fuel pumps produce?

What is the pressure output of a (boost) fuel pump on a Boeing 767 and/or 777, compared to a heavy-duty jettison fuel pump.
JJH's user avatar
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How to find the plane a FDR came from?

I'm trying to find out which plane a Sundstrand UFDR came from and have narrowed it down to 5 possible planes. How can I confirm which of the 5 planes the FDR recorder came from? I did a lot of ...
JFox's user avatar
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Why does the KC-46 use an MCAS?

The KC-46 tanker aircraft (the U.S. military's designation for the 767s it uses as tankers, and which every other country calls the KC-767) uses an early version of an MCAS.1 This was ostensibly ...
Vikki's user avatar
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2 votes
1 answer
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What is the difference between flap load relief protection and overspeed protection?

What is the difference between flap load relief protection and overspeed protection?
TEA1964's user avatar
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2 votes
0 answers
700 views

In a Boeing 767, what percentage of the aluminum is in structural components?

For a Boeing 767 (model year 2000), does anyone know how much aluminum is in 'structural' components, as a percentage of the total amount? And specifically the wings?
wolf max's user avatar
12 votes
2 answers
4k views

What are the "Static Ports" in a Boeing 767?

Recently while I was on a flight, I've noticed this area near the front door on a Boeing 767 aircraft. I'm a total aviation noob, I just wonder what are these and what they are used for.
unfa's user avatar
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1 answer
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How many parts are in a Boeing 767?

I've been Googling how many parts are in what air planes, but I didn't get a result on how many parts are in a Boeing 767. Anyone got any ideas or know the answer?
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6 votes
4 answers
3k views

What was the value proposition of the 767-400ER over the 777?

Aside from visible differences, what are some differences in the usage and design of the 767-400ER as compared to the 777-200/200ER (or 300/ER if you feel makes more sense)? What was the value ...
Charlie X.'s user avatar
13 votes
2 answers
5k views

Why didn't the Boeing 757 share the 767 fuselage?

(Flight) Early 767 design was a trijet. The numbers-built for the 757 and 767 is +1,000 each. They are both equally successful. But why didn't the 757 feature a slightly shorter 767 fuselage to cut ...
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4 votes
1 answer
751 views

How much thrust and fuel are required to get a B767 moving from a complete stop?

How much thrust is involved, and how much fuel is burned, to get an aircraft like a Boeing 767 - or something similar - moving from a complete stop? Recently, I was on a 767 that took the "scenic ...
Greg Iseley's user avatar
5 votes
1 answer
535 views

What are the costs and labour hours for converting a B767 airliner to an aerial refueling aircraft?

To win the tender of RAF Future Strategic Tanker Aircraft, Boeing, BAE systems and British Airways formed Tanker Transport Services Consortium to offer air-to-air refuelling to military jets, using ...
Him's user avatar
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19 votes
4 answers
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Did any Boeing 787 operator achieve the 20% fuel efficiency improvement over the 767?

Is there any airline which are able to get the complete 20% fuel efficiency on their 787 with respect to 767 it is going to replace, as told by Boeing. I have read that one of the early customer like ...
NitinG's user avatar
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1 vote
1 answer
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Why do turbofans have different nozzles?

The CFM 56-7BE (on the 737) has a long and narrow nozzle, the RR Trent 900 (on the A380) has a sharper nozzle, and the CF-6 (on the 767) has a wider opening at the nozzle. Why do the nozzle sizes vary ...
Madhav Sudarshan's user avatar
3 votes
2 answers
3k views

Why does British Airways fly a short haul flight in a B767? [duplicate]

British Airways operate a flight from Edinburgh airport to Heathrow airport every morning in a 767. Aren't these wide-bodies meant for long haul flights?
l30n1d45's user avatar
4 votes
2 answers
19k views

What are the differences in door types in a commercial airliner?

I was looking on YouTube at crew training videos. One door caught my attention for a Qantas 767. This door was completely electric and slid up and into the fuselage above, instead of out and to the ...
woakley5's user avatar
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10 votes
2 answers
2k views

Why did the backup landing gear deployment fail on LOT 16?

LOT 16 was a 767 which experienced a hydraulic leak, resulting in the failure of the landing gears and the proceeding belly landing shown below: Why did the backup ...
Danny Beckett's user avatar