Quill18 has some good Let's Plays - I picked up a lot from him https://www.youtube.com/playlist?list=PLs3acGYgI1-tflJyPE7go...
HN user
CrowCrowCrow
As a counter to your opening point - it certainly helped me. It made me feel safer and I had a sense of justice. Not saying it's the same for everyone or that it's necessarily a good thing but the punishment of the person committing the act helped me to move on.
I think GP might mean that as offense is completely subjective, it's better to let people define "hate speech" etc for themselves rather than having an agenda being pushed by a government or corporate entity.
Angels is a Nato standard brevity code for "thousands of feet". There's also Cherubs which is height of a friendly aircraft in hundreds of feet (https://en.wikipedia.org/wiki/Multiservice_tactical_brevity_...).
Generally, you'll use flight levels until either you hit the transition level specified in the approach plate or ATC clears you beneath that level, at which point they'll switch to using feet and give you the QNH (atmospheric pressure at sea level) to calibrate your altimeter.
For example, the ILS/DME approach for 26L at Gatwick has a transition of 6000 ft (http://www.ead.eurocontrol.int/eadbasic/pamslight-48EDD962FD...)