Not exactly HN format, but there are some forums, to name a few: pilotsofamerica.com, and beechtalk.com (requires sign-in and real names).
Many quality youtube channels, covering everything from paramotors (Tucker Gott) to backcountry flying (Trent Palmer) to an owner-flown private jet (Premier 1 Driver), to an everyday guy flying a Piper around with his family (SoCalFlyingMonkey). Another good one is Matt Guthmiller, an MIT grad who flew a Bonanza around the world when he was 19 (although he didn't get that on youtube).
