Airliners.net

DH106

Re: "Trailblazer airlines" movie MD-80

The left elevator has a 'droopy tab'.

DH106

Re: Runway Incursion at JFK 1/13/23

Related to the CVR issue, and not judging the crew in any way - does the 'sterile cockpit below 10K' rule apply whilst on the ground taxiing?
I would have thought so - especially at one of the World's busiest airports.

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DH106

Re: Classified Documents from Biden’s VP days found in office

President from political party A mishandles documents: matters? Matters not? President from political party B mishandles documents: matters? Matters not? Taking documents he had no right to take is not the same as a staffer with zero oversight taking documents. That would be my view, too, but I'm n...

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DH106

Re: Kevin McCarthy makes history... first in 100 years to fail Speaker vote

vrbarreto wrote:
Trump would claim credit for the sun rising in the morning...

When he bends over.... presumably?

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DH106

Re: Migrants dropped off at VP Residence Xmas Eve

Strikes me that many 'Christians' are..... 'CINOs' - to borrow a Trump term. If Trump actually says that, it’s a bit rich coming from a person who doesn’t know up from down with the Bible. Loved that stumped, ignorant looking face of his when he was asked what his favourite verse of the Bible was a...

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DH106

Re: Migrants dropped off at VP Residence Xmas Eve

Strikes me that many 'Christians' are..... 'CINOs' - to borrow a Trump term.

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DH106

Re: MH370 trunnion door found off Madagascar

Or to make sure the plane sank swiftly, to go to the bottom before anyone could sight it. I think its a good bet that no one would have seen it crash. Its in the middle of the Indian ocean at night or very early morning and odds are there aren't any boats out there who would have seen it. I cannot ...

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DH106

Re: MH370 trunnion door found off Madagascar

I don't follow the dynamics of how the damage from inside to outside implies the gear was down. Even with the trunion door in the open (vertical) position, it's still outside the arc of the engine so I don't see how turbine blades could get 'behind' it so as to penetrate from the inside out.

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DH106

Re: Trump Digital Trading Cards

luckyone wrote:
He was elected in 1932.
Then he was re-elected in 1936, 1940, and 1944. By my count...that's three. He died early into his fourth term.

Fair enough

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DH106

Re: Trump Digital Trading Cards

luckyone wrote:
bennett123 wrote:

FDR was re elected twice.

Just saying.

Actually FDR was re-elected three times. Not sure where you're going with that in either case.

Surely he was elected once, then re-elected twice?

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DH106

Re: What determines multiple bogey landing gear tilt?

I think we have to differentiate here between bogie pitch trimmers, whose function is to position the bogie when off the ground, and active bogie positioning for retraction. I remember a thread from quite a few years ago discussing the nose-down hang of the 767 bogies, and the consensus was that thi...

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DH106

Re: Hawker siddeley trident wing

This is a very interesting drawing. Take a look at the obvious wing twist from the root to the tip. The angle of attack is significantly higher at the root. Would this design feature induce a stall behavior where the root stalls first, moving the center of lift backwards, thus creating a nose-down ...

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DH106

Re: KC-135 Leading Edge Lift Devices

The early versions of the 707 had just a few segments of LE devices, so this probably derives from that. Later 707 versions had full span LE devices.

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DH106

Re: United Airlines nears order for over 100 widebody jets - Bloomberg News

So "giving 100 A350 away for free" now will lock UA into the A350 and they will automatically also become a client for 350neos. It is not like Airbus would make a loss by not making profit on 100 350s, but they will lay the ground works for more profits down the road. Exactly. Long term v...

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DH106

Re: El Al Flight 1862 crash - 25 years ago

I'm sorry, but that's bollocks! The title states that the flight crashed - 25 years ago! Read the first post of the thread and pay very close attention to the date of that post. I trust things will all come together for you. Read the thread title - it's not rocket science to work out that 1992 is n...

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DH106

Re: El Al Flight 1862 crash - 25 years ago

sassiciai wrote:
Just a nitpick - 1992 is 30 years ago, not 25!

The original posting was 5 years ago !

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DH106

Re: Hawker siddeley trident wing

I don't think it was usual for aircraft of that era to have protections against the premature (too slow) retraction of the high lift devices.

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DH106

Re: Hawker siddeley trident wing

First300 wrote:
Didn´t they install a fourth booster engine to achieve the takeoff criteria?

Yes, but on the stretched Trident 3 only.

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DH106

Re: Ten years since Syrian Arab Airlines 501

Indeed. I'm also curious as to what damage there was to the rest of the aircraft's structure. Surely the damage wasn't just confined to the vertical stabilizer and rudder. I guess the collision dynamics could have been that the A320 passed just below the helicopter but caught it with its fin. That ...

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DH106

Re: Fox News working hard to villainize sex & LGTBQ information

Part of the problem is people being forced into doing something they may do anyway. I would be part of that curmudgeonly cohort. I'll bend over backwards for people -- when I want to, but put me in a position of being told to do something, then the brakes go on, big time. I always refer to drag que...

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DH106

Re: Object apparently fell from an aircraft over Maine capital Monday

https://whdh.com/news/airplane-part-fal ... -in-maine/

Who knows…

DH106

Re: LH A343 Low Level Go Around FRA

Ronaldo747 wrote:
Around FRA there is slow mountain range (Taunus) which could have a little bit of thermal lift impact but nothing special or bad.

Just about all of the mountain ranges I know are 'slow' !!
Continental drift aint known for braking any speed limits

Could be 'low' perhaps?

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DH106

Re: LH A343 Low Level Go Around FRA

Not sure about 'wind shear' - looks like it floated for quite a while so pilots decided to go around.

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DH106

Re: Question on aircraft tires

Rather than electrically powered motors, perhaps small vanes on the wheel hubs could use the slipstream to spin the wheels up?

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DH106

Re: New Developments related to Air India Accident 06/23/ 1985

bennett123 wrote:
If it is linked, why wait 17 years?.

37 surely?

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DH106

Re: Why is Boeing ignoring demands of regulators to add EICAS to the 737MAX?

So the question is - why is the MAX 10 certification taking so long that an exemption to Congress' law is being mooted/sought?
Presumably it's more than simply a -9 stretch?

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DH106

Re: VR headset users here?

Well Oculus has drawbacks: https://store.facebook.com/en-gb/help/quest/articles/accounts/facebook-accounts-on-meta-quest/ https://www.theverge.com/2021/10/28/22751297/meta-oculus-quest-need-facebook-account-login-password Farcebook account needed. Why? It’s a VR headset for goodness sake. Well true...

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DH106

Re: EK Incident at Brisbane: Hole in Fuselage

I think the rear pair of wheels on each body gear have no brakes fitted, so presumably they spin for some time once retracted (or perhaps they have snubbers similar to how most nose gear wheels are braked?). Perhaps something was flung from one of those wheels - location looks about right.

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DH106

Re: VR headset users here?

I have the Rift S, and prefer X Plane 11 to FS2020 - I think the VR is slightly better supported.

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DH106

Re: Next SCOTUS nominee proceedings: constitutional crisis looming?

Aesma wrote:
So SCOTUS could, in keeping with that reasoning, ban most guns because they're not explicitly mentioned in the constitution ?

But....but...but... that's different !

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DH106

Re: Aircraft headings, bearings, and such.

An INS alignment is interesting. Once started, the accelerometers sense eastward movement, fast at low altitudes, slower at high . Once it has enough movement sensed, 90 degrees to the left is the North Pole. There’s a lot more in the details, but essentially that’s it. I didn't follow this - did y...

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DH106

Re: OH GOP Passes Bill Mandating Children Genital Inspection for 'Suspicious' Athletes

Perhaps the solution is to categorise atheletes on their birth gender rather than their current. Be whatever you want, but compete only in what you were at birth.

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DH106

Re: Most Memorable Approaches as a Passenger?

A very low banked left turn onto short finals R01 at Mahon, Menorca, Spain in a Dan Air Comet 4c - summer of '77.
To a 12 year old kid looking out along the wing - it sure as hell seemed like that wing was gona scrape the ground - which was wizzing past at great speed !

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DH106

Re: MD-11 Aborted landing/Go around

First landing looks slightly heavy, but the main gear seemed to stay on the ground with little or no bounce so I don't see a need for the go-around.

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DH106

Re: Why does a 737-700 use flap 1 and not zero flap for take off?

Since Flap 1 extends the LE devices I'd say that there'd be considerably more than just 'a small amount of extra lift generated'. The leading edge devices don't so much increase lift as increase the AoA margin, though of course as you "use" the higher AoA, you do get more lift. Either way...

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DH106

Re: Why does a 737-700 use flap 1 and not zero flap for take off?

Since Flap 1 extends the LE devices I'd say that there'd be considerably more than just 'a small amount of extra lift generated'.

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DH106

Re: Help wanted with mystery biplane.......

Don't think it's any of the above - note how the forward cockpit screen on the mystery biplane is more or less level with the leading edge of the upper wing. The front cockpit seems to be much further back on the above suggestions. The Blanik glider stored above the mystery biplane - EC-CGC seems to...

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DH106

Re: Passengers Only: Best Cockpit Visit Or Aircraft Tour Story!

In 1993 my girlfriend & I were flying Manchester (UK) to Paphos (Cyprus) on a Caledonian 757. My girlfriend was a stewardess for another airline and knew I was an enthusiast and got talking with the stewardesses on this flight To my very pleasant supprise this ended up with me being invited to f...

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DH106

Re: Horizontal Stabiliser Angle of the Bristol 188

I think the OP might be referring to the significant anhedral, not the pitch angle of the stabiliser. At a guess, that would be to keep it out of the engine exhaust. Just for clarity - the tailplane is mounted high on top of the fin as a 'T' tail and has no (discernible) anhedral. Is it possible yo...

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DH106

Re: TAP A320 landing incident at CPH on 8 April

https://aviation-safety.net/database/re ... 19780211-0

DH106

Re: Throttle levers on 4+ engined aircraft

I wouldn't have thought 4 throttles would be a problem, their curved indentation shape natually fitting to 4 fingers of a hand, but I've often wondered about 6 engined (An225?) or even 8 engined (B52?) aircraft. Are their throttles easy to manipulate togther?

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DH106

Re: Qantas to firm up A350-1000’s for Project Sunrise by mid year

NTLDaz wrote:
Qantas hasn't said it though. I mean the A350 - 1000 will be capable of flying from Newcastle to London nonstop ut it doesn't mean it will happen.

But that's only 300 miles !

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DH106

Re: Antonov Design Bureau Operations

Apparently there's some speculation on the Facebook threads that the An-225 destroyed in the hanger fire might have been the half assembled 2nd aircraft that was apparently stored there.
I do hope this is true and that first, airworthy example survives.

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DH106

Re: Celebrity Crush

Again probably showing age, but.......

Rachel Ticotin - Total Recal (original), Falling Down....

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DH106

Re: NASA plans to de-orbit ISS in 2031

Presumably NASA has run this plan past the other international partners/owners of the ISS, with it being the INTERNATIONAL Space Station and all ?

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DH106

Re: Which airliners have ram air turbines. Which power hydraulics and which provide electricity?

Tristarsteve wrote:
The Vickers VC10 had two RATs, One electric and one hydraulic!

Only the prototype G-ARTA had both. Production VC-10's only had the electric RAT.

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DH106

Re: Curved runway starter extensions

I think Brooklands airfield in the UK had an offset starter extension. In the 1960's, Vickers manufactured the VC-10 there, and since the runway was < 4000 feet, each new VC-10 was required to use the starter extension to depart to the nearby Wisley airfield (which had a longer runway) for final fit...

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DH106

Re: Boeing 727 Leading Edge Device Question

extender wrote:
The idea behind the Kruger Flap/Slat arrangement,was, in the event of a stall, that the inner part of the wing stall before the outboard part of the wing, thereby keeping roll control.

And also with the wing being swept, preventing a possible undesireable nose-up pitch should the tips stall first.

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DH106

Re: DC-10 tail mounted engine angle

High mounted engines will tend to make the aircraft go nose down, just as low slung engines want to make the nose rise.
I suspect the nose up/tail down angle of the DC-10's rear engine is to offset this tendency.

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DH106

Re: HS Trident

Very interesting thread, thanks for bringing this up. As a classic-jet enthusiast, I must say that I really miss this type of threads on A.net during the last years. It appears that there is not so much interest for early jetliners anymore. Same, it's why I chose my a.net username way back when (th...

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