10 Smart Things To Pack in Your Carry-On (And One Not To)

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istock

Packing for a vacation, business trip, or mandatory family visit can seem like solving a jigsaw puzzle. How do you bring everything you need and still abide by the TSA’s rules? Plus, accidents happen, people lose things, stuff can get stolen—and airport purchases are expensive. Plan ahead by strategically packing these items in your carry-on luggage for happier travels. 

1. Collapsible Water Bottle with a Filtering System

Airplanes are dry and those little water bottles you get on the plane aren’t enough to keep you hydrated throughout the flight. A collapsible water bottle with a filter can be filled with tap water after going through security, and even when filled, they take up less room than a normal reusable bottle.

2. Daily Medications

When packing your medications in your checked luggage, you not only run the risk of it being stolen, but, should your luggage get lost, you'll also find it’s nearly impossible to get a refill far from home. In addition to your prescription meds, pack any over-the-counter medications you might want during your flight in your carry-on. 

3. Phone Charger

No matter how great your phone’s battery life is, don’t assume it’s going to have enough juice to get you to your hotel. Keep your charger with you in case your phone needs a quick boost, especially if all the information you need to get from point A to point B is saved in your email inbox. 

4. Any Documents You’ll Need Throughout the Trip

Of course, keep your wallet, passport, and flight tickets out of your suitcase. Also, if you have physical tickets (for train trips or events such as the ballet or sports), an invitation with an address on it, or any other papers with no digital counterpart, pack those in your carry-on. And it's a smart idea to print out tickets, directions, and itineraries that you’ve stored on your phone just in case.

5. Any Valuables

Airlines and airports are doing more to stop luggage theft, but incidents do still happen. Keep your camera, jewelry, computer, and other luxury or expensive items with you at all times. Even articles of clothing have been stolen out of suitcases, so assume that if you splurged on it, it belongs in your carry-on. 

6. Entertainment

Unless looking out the window is enough to keep you occupied throughout the flight, bring a book, magazine, game, or other source of amusement. But stay away from the giant hardcovers that will weigh you down; opt instead to stock your e-reader or audiobook library—but bring a magazine for take-off and landing, when all electronics must be stowed under the seat in front of you.

7. A Change of Underwear

Keep a change of underwear with you in case your luggage gets lost or you want to freshen up post-flight.

8. Toothbrush, Toothpaste, and Facial Wipes

Give your final destination a good first impression by brushing your teeth and washing your face before leaving the airport. Keeping a small selection of toiletries in your carry-on prevents you from having to rummage through your suitcase in public.

9. Location-Appropriate Clothes

Heading to the tropics to escape the blistering winter? Pack a change of clothes in your carry-on bag to accommodate the new climate. You don’t want to start your vacation off with heat stroke!

10. A Satisfying Snack

The small bag of pretzels and a can of soda handed to you by a friendly flight attendant doesn’t always cut it, so pack your own lunch or snack. As long as it’s wrapped and a non-liquid, it can go through security. Plus, it’s certainly a cheaper alternative to buying a pre-made sandwich at the airport. 

And One Thing Not To Pack: Your Sweatshirt

Airplane cabins are notoriously chilly, so be sure to bring along a cozy sweatshirt or lightweight jacket (and socks!) for your trip, but don’t pack it in your carry-on. Airlines don’t count sweatshirts and jackets as one of your allotted two free bags, so drape them over your arm to save precious real estate in your pack.

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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iStock

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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