Questions tagged [winds-aloft]

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5
votes
3answers
286 views

What is the best option when the headwind exceeds the maximum airspeed?

In a previous question, Mongo described flying his Cessna with a negative ground speed in a head wind. In this situation, what is the correct thing for a pilot to do, if there is nowhere to land ...
2
votes
2answers
355 views

Why did my transatlantic flight meander off the great circle?

I recently flew commercial to Scotland and was tracking our progress on my iPad using Foreflight. I made a direct-to line that followed the great circle route, but noticed that we meandered off of it ...
6
votes
1answer
4k views

How can the wind speed and direction be calculated from on-board measurements?

I am currently learning C++ on my own in my spare time. I am writing a little application that will help me while at work. I have come across a situation where I have some given values, but im not ...
3
votes
2answers
1k views

How are extreme winds aloft handled and how do they affect flight?

I'm looking at forecasted winds aloft on SkyVector for early next week. Specifically, I'm looking at the Pacific Ocean (routed between California and Hawaii) and notice that there are some barbs ...
9
votes
3answers
3k views

Could winds of up to 150 km/h impact the structural loads on a Boeing 777?

From 15 October 2016, AI 173 from Delhi to San Francisco started flying over Pacific. Jet streams over Pacific helped Air India in reducing the flight time by 2 hours, despite increasing the travel ...
6
votes
1answer
826 views

Are weather balloon launches NOTAM'ed?

Are weather balloon launches NOTAM'ed? Related, how frequent (periodically and spatially) are they for gathering data on wind-aloft, etc.?
1
vote
0answers
112 views

Is there a way to approximate the best glide speed for maximum glide distance in a headwind during flight? [duplicate]

Flying at an airspeed corresponding to an aircraft's maximum glide ratio in calm air will maximize the distance covered for a given altitude (AGL). But in a headwind, the horizontal velocity would be ...
42
votes
8answers
69k views

Why do flight times differ between traveling East versus traveling West?

Why does it take longer to fly West to East than East to West? Which factors affect this? Does Earth's spinning affect the time difference? Maybe the air circulation?
7
votes
3answers
4k views

Where can Boeing wind data be found?

There are various services that use world-wide Boeing Winds for forecast wind data which can be used to calculate an approximate flight time between two locations. They usually have best case, worst ...