Planning a Trip? These Are the Best Times to Beat the Crowds in Every Country

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If you’re in the midst of mapping out your next big vacation, you may want to consider more than just which cities have the best weather during the summer. Thrillist found this map made by LastMinute.com that details the high, low, and in-between seasons in countries throughout the world, showing when you’ll be elbowing a million other tourists to get to hotspots and when you’ll be the only visitors in town.

The GIF is color-coded to show when the high (red), low (green), and in-between (yellow) seasons fall for travel in each country throughout the world. The timing varies for every region, with some European countries seeing high levels of tourists for more than half the year and in-between levels most of the rest of the year, while other countries (particularly cold ones like Canada) have relatively long low-tourist seasons.

Don’t immediately book a flight for December in Moscow though—there’s often a very good reason why people stay away from particular destinations during certain months (like average temperatures that are below freezing). Indonesia doesn’t see many tourists between October and May because much of that time period constitutes monsoon season. Plenty of countries don’t get tourists in the dead of winter. But if you are willing to tough out or risk bad weather, you’ll be rewarded by fewer crowds and likely better deals.

[h/t Thrillist]

Sydney Airport's New 'Quiet' Terminal Helps You Relax Before a Flight

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iStock

Picture this: You’re at the airport at 6 a.m., waiting in a too-long line for coffee, and announcements are blaring over the intercom. They’re loud, they’re annoying, and they won’t stop coming.

Fortunately for travelers Down Under, one airport is putting an end to the insanity. As Lonely Planet reports, Sydney Airport is the latest transportation hub to introduce a “quiet terminal” concept. Airport officials promise to broadcast only the most important announcements throughout the T1 international terminal.

“Passenger announcements have been significantly reduced, with boarding call and final call announcements confined to gate areas only,” the airport states on its website.

While this is good news for people who resent the constant reminders, travelers who have a habit of dawdling around in airport shops and losing track of the time will need to be more vigilant. In lieu of announcements, flight information will be provided on screens stationed throughout the terminal.

Airports in Singapore, Dubai, Hong Kong, and Helsinki have undertaken similar measures to cut down on noise and promote relaxation. After all, vacation starts at the airport.

[h/t Lonely Planet]

What Would Happen If a Plane Flew Too High?

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Tom Farrier:

People have done this, and they have died doing it. For example, in October 2004, the crew of Pinnacle Airlines 3701 [PDF]  was taking their aircraft from one airport to another without passengers—a so-called "repositioning" flight.

They were supposed to fly at 33,000 feet, but instead requested and climbed to 41,000 feet, which was the maximum altitude at which the aircraft was supposed to be able to be flown. Both engines failed, the crew couldn't get them restarted, and the aircraft crashed and was destroyed.

The National Transportation Safety Board determined that the probable causes of this accident were: (1) the pilots’ unprofessional behavior, deviation from standard operating procedures, and poor airmanship, which resulted in an in-flight emergency from which they were unable to recover, in part because of the pilots’ inadequate training; (2) the pilots’ failure to prepare for an emergency landing in a timely manner, including communicating with air traffic controllers immediately after the emergency about the loss of both engines and the availability of landing sites; and (3) the pilots’ improper management of the double engine failure checklist, which allowed the engine cores to stop rotating and resulted in the core lock engine condition.

Contributing to this accident were: (1) the core lock engine condition, which prevented at least one engine from being restarted, and (2) the airplane flight manuals that did not communicate to pilots the importance of maintaining a minimum airspeed to keep the engine cores rotating.

Accidents also happen when the "density altitude"—a combination of the temperature and atmospheric pressure at a given location—is too high. At high altitude on a hot day, some types of aircraft simply can't climb. They might get off the ground after attempting a takeoff, but then they can't gain altitude and they crash because they run out of room in front of them or because they try to turn back to the airport and stall the aircraft in doing so. An example of this scenario is described in WPR12LA283.

There's a helicopter version of this problem as well. Helicopter crews calculate the "power available" at a given pressure altitude and temperature, and then compare that to the "power required" under those same conditions. The latter are different for hovering "in ground effect" (IGE, with the benefit of a level surface against which their rotor system can push) and "out of ground effect" (OGE, where the rotor system supports the full weight of the aircraft).

It's kind of unnerving to take off from, say, a helipad on top of a building and go from hovering in ground effect and moving forward to suddenly find yourself in an OGE situation, not having enough power to keep hovering as you slide out over the edge of the roof. This is why helicopter pilots always will establish a positive rate of climb from such environments as quickly as possible—when you get moving forward at around 15 to 20 knots, the movement of air through the rotor system provides some extra ("translational") lift.

It also feels ugly to drop below that translational lift airspeed too high above the surface and abruptly be in a power deficit situation—maybe you have IGE power, but you don't have OGE power. In such cases, you may not have enough power to cushion your landing as you don't so much fly as plummet. (Any Monty Python fans?)

Finally, for some insight into the pure aerodynamics at play when airplanes fly too high, I'd recommend reading the responses to "What happens to aircraft that depart controlled flight at the coffin corner?"

This post originally appeared on Quora. Click here to view.

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