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21 Questions

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Why were the 747SP's trailing-edge flaps so much different than those of the -100/-200?

Nov 5 '17 at 9:24 Community♦ 1

votes

answer

views

What are the unusually-enlarged wing sections on this P-38 Lightning?

fighter feature-identification wwii lockheed

Apr 1 '19 at 1:28 Dave 92.5k

votes

answers

views

Why are the outboard Krueger Flaps retracted before the others on the B747?

aircraft-design flaps boeing-747 slats

Oct 23 '17 at 8:21 Anilv 4,331

votes

answer

691

views

How will aiport operations at KOAK be affected when taxiway W is promoted to a runway?

runways taxiing airport-design

Mar 2 '18 at 13:38 DeltaLima 71k

votes

answers

views

How did the F28 have such a good L/D ratio?

aircraft-design lift drag efficiency fokker-f28

Oct 9 at 19:28 Robert DiGiovanni 10.6k

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answer

753

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What are the evenly-spaced “bumps” on Bell X-1 tailplane?

aircraft-design aviation-history feature-identification bell-x-1

Aug 8 '19 at 5:35 ymb1 105k

votes

answers

views

Was the B727's wing supercritical (even if not so designed)?

aircraft-design airfoil boeing-727

Nov 1 '18 at 5:35 robert austin 21

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answer

views

Is Iqaluit Airport closed?

emergency-procedures closed-runways

May 21 '17 at 18:47 Terry 38.1k

votes

answers

views

What is the purpose of this loop in a taxiway?

taxiing airport-design

Jun 19 '18 at 4:18 pr1268 1,699

votes

answer

297

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How did the service ceiling certification change in the 70s?

faa-regulations aviation-history aircraft-certification poh

Feb 21 '18 at 22:08 Community♦ 1

votes

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views

What are the disadvantages (if any) of using a supercritical airfoil?

aircraft-design aerodynamics airfoil

Sep 13 '17 at 13:59 Peter Kämpf 205k

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380

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What special tyres (tires) are needed for high altitude takeoff and landing?

aircraft-design takeoff high-altitude groundspeed

Dec 29 '17 at 11:09 kevin 38.6k

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answer

368

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Why all the taxiway construction at PHL?

taxiing airport-design

Nov 30 '17 at 2:28 Dave 92.5k

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answers

228

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At what minimum height above terrain does a vertical structure need to be indicated on a sectional map?

Nov 24 '17 at 19:54 pr1268 1,699

votes

answers

views

Aerodynamics of double winglets

aerodynamics airfoil winglets

Nov 17 at 1:19 feetwet 2,114

votes

answers

views

What is this unusual leading edge flap on a B737-200?

aircraft-design boeing-737 flaps feature-identification

Jan 7 '19 at 5:55 TomMcW 26.8k

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answer

773

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Why is there such a long displaced threshold on 22R at JFK/KJFK?

landing runways airport-design

Jun 19 '18 at 13:35 Pondlife 66k

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answer

121

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What do “azimuth window” and “compass switch” refer to in this accident report?

terminology cockpit accident-investigation

Nov 11 '18 at 14:29 Gerry 16.3k

votes

answer

750

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What are the layers of a pressurized fuselage (cross-section and construction)?

aircraft-design cabin-pressure

Apr 16 '18 at 0:44 John K 89.3k

vote

answer

views

Why is the ratio of TSFC at altitude vs. sea level different for hi-bypass vs. lo-bypass turbofan engines?

turbine efficiency high-altitude

Jun 26 '17 at 20:47 DeltaLima 71k

votes

answers

views

Why no runway markings at south end of 18/36 at FRA? [duplicate]

runways airport-markings

Aug 24 at 17:23 pr1268 1,699

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21 Questions

Why were the 747SP's trailing-edge flaps so much different than those of the -100/-200?

What are the unusually-enlarged wing sections on this P-38 Lightning?

Why are the outboard Krueger Flaps retracted before the others on the B747?

How will aiport operations at KOAK be affected when taxiway W is promoted to a runway?

How did the F28 have such a good L/D ratio?

What are the evenly-spaced “bumps” on Bell X-1 tailplane?

Was the B727's wing supercritical (even if not so designed)?

Is Iqaluit Airport closed?

What is the purpose of this loop in a taxiway?

How did the service ceiling certification change in the 70s?

What are the disadvantages (if any) of using a supercritical airfoil?

What special tyres (tires) are needed for high altitude takeoff and landing?

Why all the taxiway construction at PHL?

At what minimum height above terrain does a vertical structure need to be indicated on a sectional map?

Aerodynamics of double winglets

What is this unusual leading edge flap on a B737-200?

Why is there such a long displaced threshold on 22R at JFK/KJFK?

What do “azimuth window” and “compass switch” refer to in this accident report?

What are the layers of a pressurized fuselage (cross-section and construction)?

Why is the ratio of TSFC at altitude vs. sea level different for hi-bypass vs. lo-bypass turbofan engines?

Why no runway markings at south end of 18/36 at FRA? [duplicate]