8k meters. There is no place at 11k where you can ski.

You could be on skis they might make it harder to control your parachute.

People who paraglide often launch (and land) on skis and can then use thermals to ascend above their launch site. No-one's flying to 11,000m though!

(The highest recorded paraglider flight was 10,054m – unintentional, got sucked into a cumulonimbus cloud updraft - also lost consciousness).

My friend skis make it easier to use your parachute https://youtu.be/3CDyQXtBGBw?si=YMXZOqvkCLaaLamy&t=1457

Yes. They were talking about 8,000 metres of altitude. (Talking about Mallory should have been a clue too.)

Not right away. But a lot depends on the wind.

The article says meters, not feet.