将乐这场趣味运动会很火爆，跟今天的节日有...
百度 2005年、2008年、2010年和现行2015年修订的《上海市常住户口管理规定》，均有针对出国定居人员应当注销户口的规定。
A controlled parachute jump out of an aircraft for sport.
35 questions
3
votes
1
answer
211
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Who determines the minimum area needed for a sky diving dropzone?
Who or what determines the minimum area required for a sky diving dropzone at an airport?
- 31
8
votes
3
answers
15k
views
Danger for hot air balloon if someone jumps out
I recently saw a video that I believe was filmed in Turkey where a skydiver was prevented from jumping out of a hot air balloon by the operator/pilot.
Man tries to jump out of a hot air balloon (...
- 790
1
vote
1
answer
166
views
Has a wingsuit pilot ever flown inverted for an extended period of time (say more than 5 seconds)?
Has a wingsuit pilot ever flown inverted for an extended period of time (say more than 5 seconds)?
(Additional content added to add length to "meet our quality standards") --
It seems it ...
- 23.7k
5
votes
1
answer
717
views
Steepest climb a wingsuit pilot can achieve?
There was a question yesterday about landing in a wingsuit; the main issue is, of course, the high speed, both vertically and horizontally. One way to reduce speed is flaring; another would be to gain ...
- 1,592
17
votes
5
answers
6k
views
Landing Wingsuit on Solid Ground or Water
Is it possible to land with a wingsuit on solid ground or water?
What does not count:
Jumping from low height that does not allow to reach terminal velocity
Landing in trees or other objects that ...
- 173
18
votes
4
answers
8k
views
How can skydivers start at 15,000 feet without the jumper suffering from hypoxia?
Many commercial skydiving facilities offer jumps at 15,000 ft. However, when I took my ground theory exams, it was reiterated many times that hypoxia starts at 10,000 feet.
How does this work? Is it ...
- 14.9k
4
votes
1
answer
678
views
What are the wind speed limits for skydiving?
Obviously, there is the crosswind and steady wind speed limit of the aircraft you are jumping from, but that aside, what are the wind speed (including gusts) limits for the average tandem skydive?
- 14.9k
3
votes
4
answers
587
views
Could a plane catch up with a skydiver with a failed parachute?
Picture this scenario:
A drop-plane drops off a group of skydivers. One of them pulls his chute and it fails, he pulls his reserve and nothing happens. The skydiver radios the plane to tell the pilot ...
- 14.9k
25
votes
1
answer
3k
views
What is the lift to drag ratio of a human being?
If a person falls at terminal velocity, and tries to steer himself with his limbs, what is the maximum lift to drag ratio he can achieve, and what position would that be in?
3
votes
1
answer
472
views
Do aircraft have to be certified specifically for skydiving?
As a skydiver, I have jumped from many different types of aircraft. Most have been specially modified for the sport. Are there requirements outside of the mechanical modifications for an aircraft to ...
- 790
22
votes
1
answer
3k
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What would have happened if the space balloonists had opened their parachute immediately when jumping off?
What would have happened if Joe Kittinger, Felix Baumgartner and Alan Eustace had opened their parachute right after jumping off the capsule (respectively releasing oneself from the balloon in case of ...
- 1,007
2
votes
1
answer
215
views
What is the best way to determine Run-in direction for parachute activity?
I am very new into flying skydivers. The aim is to get skydivers to a certain altitude usually 14000ft as quick as possible. They have to be dropped into a certain direction to compensate for wind. ...
- 937
24
votes
3
answers
9k
views
Why don't militaries use ram-air parachutes?
Military parachutes for use by humans (both paratroopers and distressed aircrew) tend to be of simple round or (more recently) cruciform design:
(Image by the United States Army, via Wikimedia ...
- 28.7k
4
votes
1
answer
880
views
Please identify this unusual jump plane
Can anyone identify this aircraft:
This plane was used in a horrible skydiving attempt where the person in the back attempted to climb out but was unable. As a skydiver, this made me very ...
- 790
1
vote
3
answers
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Can private pilots drop skydivers if the pilot pays a pro-rata share?
This question was inspired by this other question. If a private pilot was to pay the pro-rata share of a flight for some skydiving friends, could they take those friends up and let them jump out?
If ...
- 12.9k