Aviation Weekly Newsletter - Monday, June 27, 2016

Aviation newsletter

Top new questions this week: Why are jet aircraft never designed with a slower cruise speed? All jet airliners have a cruise speed between Mach 0.82 and Mach 0.85. At those speeds the aircraft are flying at their maximum subsonic speed. Any greater cruise speed would only be ... aircraft-design airliner commercial-aviation aircraft-performance   asked by ant Bldel 20 votes answered by ymb1 29 votes What are these aircraft at AMARG? Why are they dismantled this way? At the AMARG boneyard (Tucson desert, Arizona), there are tons of aircraft, but a limited number of models are dismantled according a special way: wings or tail or both separated from the fuselage: ... military aircraft-identification maintenance   asked by mins 11 votes answered by Simon 16 votes Why do you never see any other planes in the sky whilst flying? I was just wondering as I passed the airport this morning why, whilst we are flying, do we never see any other planes nearby? There must be millions of planes and millions of people flying each day, I ... flight-planning   asked by court 11 votes answered by abelenky 39 votes Why does ground crew rotate a radial engine's propeller before a motor/cartridge start? In footage from WWII you often see the ground crew rotating the propeller of a radial engine a number of times before the pilots start the engine. I know it's not the same as hand-starting ... propeller engine-starting radial-engine   asked by ymb1 9 votes answered by voretaq7 14 votes What is a skidding turn (vs slipping turn)? I am trying to understand the concept of 1) What qualifies a turn to be skidding or slipping 2) how we need to give elevator back pressure if we do not want to 'slip' the turn. While browsing for ... ailerons skid   asked by user2927392 9 votes answered by voretaq7 10 votes How is the emergency exit row handled when there are no passengers aboard eligible to sit in an exit row seat? Based on Roddy's question about nobody volunteering for the exit row, I can imagine a related but more extreme scenario: what if there are no passengers on the plane who are eligible for an exit row ... airline-operations evacuation emergency-procedures   asked by UnrecognizedFallingObject 9 votes answered by Ralph J 14 votes What's the point of the Total In-Flight Simulator? Picture of the contraption: Source: Wikipedia After a quick research, and Simon's link, it turns out to be a simulator for how different aircraft would handle. And was useful is simulating ... military simulator   asked by ymb1 8 votes Greatest hits from previous weeks: What is this hatch above the cockpit of a 747? There is a little door on the upper deck above the cockpit: Source: Airliners.net, (modified to indicate location of hatch). What is that door? What is its purpose? aircraft-design emergency boeing-747 doors emergency-procedures   asked by kepler22b 41 votes answered by Terry 66 votes Why don't small planes use turbine (turboprop) engines? Turboprop engines are more fuel efficient1, lighter for the same power, mechanically simpler and consequently more reliable. They are also slightly easier to operate (no need to fiddle with mixture) ... piston-engine turboprop   asked by Jan Hudec 21 votes answered by Peter Kämpf 13 votes Can you answer this? Why is the VFR traffic pattern area at some airports different from its IFR circling approach area? Take Half Moon Bay Airport (KHAF) as an example. Under VFR, the traffic pattern is right pattern for RWY 30 and left pattern for RWY 12. This implies the downwind leg is to the EAST of the RWY ... instrument-flight-rules instrument-procedures traffic-pattern circling-approach   asked by skyoasis 5 votes

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