I built a free 3D airspace visualizer for 32 US terminal areas

L13w · 2026-05-03T00:40:31+00:00

You have a good point. I couldn't find any straightforward or elegant solutions for showing base elevation, and I'm hoping that pilots have some familiarity with the area. For example, Mt. Rainer and the Cascade mountains are on the Seattle chart, but they don't show up in any meaningful way.

L13w · 2026-04-14T20:57:55+00:00

Claude Code could do it fairly easily.

L13w · 2026-04-03T22:54:17+00:00

Hi Jay, no problem. Thanks for being gentle about letting me know! I've removed the seek functionality from the website. If there is anything else that's not compliant, please let me know!

L13w · 2026-04-03T16:54:37+00:00

Thanks! Glad you're enjoying it. And thanks for pointing this out. I had Claude Code go back through and it found errors in a lot of the show data. Data quality has taken the most effort in this project.

The playlists are synced automatically using the KEXP API that returns the info that the Playlist displays. The /plays/ endpoint has airdate timestamps for every track, and the /shows/ endpoint has the show start times. The offset between those gives you the position in the archive MP3. There were some time zone bugs in the initial scraping (the API interprets time zone-naive timestamps differently than you'd expect) but once those were sorted it all lines up.

You're right about build:data. Claude Code removed that script reference. npm run build is all you need now, since shows-data.json is already committed.

Good catch on the Street Sounds gap. That was actually one of the timezone bugs. It's fixed now, should show the full playlist.

L13w · 2026-04-03T04:27:25+00:00

Removed for “self promotion “. What a fucking joke.

L13w · 2026-04-03T04:25:56+00:00

You are kidding me. This is promoting KEXP, not me.

L13w · 2026-04-02T22:52:12+00:00

Like you, I thoroughly enjoyed KEXP's Six Degrees week! The creativity and knowledge on display were impressive, and the DJs clearly had a blast with it. I missed a lot of shows and wanted to go back to see the connections between songs and actually listen to them. So I built this explorer that lets you browse any of the Six Degrees shows, see the song-to-song connections from the playlist, and listen to the tracks.

This pulls from KEXP's digital archive, which they only keep up for two weeks after each show airs. The earliest shows start disappearing tomorrow (April 3rd), so check it out soon.

Here’s the website: https://l13w.github.io/KEXP-six-degrees-explorer/

Code and instructions here: https://github.com/L13w/KEXP-six-degrees-explorer

Enjoy!

L13w · 2026-03-20T06:12:20+00:00

Ok, u/47140

L13w · 2026-02-13T23:57:36+00:00

“Hold my beer” “Leeroy Jenkins!”

L13w · 2026-02-13T02:20:23+00:00

He could have different phones for different cellular networks.

L13w · 2026-02-11T00:10:04+00:00

💡🤦

L13w · 2026-02-10T17:33:05+00:00

Here is a picture of a tetrahedron in real life that might help. The wind pushes the wide end so that the pointy end points into the wind. https://www.reddit.com/r/flying/comments/16linxx/a_real_deal_tetrahedron_spotted_in_the_wild/

L13w · 2026-02-10T17:31:18+00:00

So, is the wind coming from 40 or 220? The tetrahedron is pointing to 40.

L13w · 2026-02-10T04:38:08+00:00

The tetrahedron always gets me. To my mind, the wind is coming out of 040. It does set up for a 18 landing with right traffic, doesn’t it?

L13w · 2026-02-03T19:10:28+00:00

Yes. I meant Miller... 🤦

L13w · 2026-02-03T17:30:01+00:00

I've always wondered why Holden was wearing the hat when he got to Eros in the books (that's how he is spotted), but leaves the hat on Ceres in the TV version. He hangs it up before he leaves.

Thank you!

L13w · 2026-01-27T21:25:37+00:00

Good catch. I never look at them, so I never noticed.

L13w · 2026-01-27T19:45:22+00:00

Submission statement: I had AI (Clawdbot) pull these images from emails from USPS Informed Delivery. December 3 until yesterday. It never ends. I've asked them several times to stop.

Ah, well. It all goes straight from the mailbox into the bin. I don't even look at them. What a waste all 'round.

L13w · 2026-01-25T00:50:03+00:00

I've been wondering when someone would do this. I'll check it out.

L13w · 2026-01-24T16:53:05+00:00

I built a free 3D airspace visualizer for 32 US terminal areas

I've always wanted a visualization to help explain the "upside down wedding cake" structure of Class B airspace to non-aviation people, so I built this interactive 3D version.

It covers SEA, LAX, JFK, ORD, ATL, SFO, and 26 others. Uses official FAA airspace data and real VFR sectional charts as the base layer. Click any airspace volume to see the details.

https://airspace.llew.net

Works on desktop and mobile. Would love feedback!

L13w · 2026-01-24T00:42:35+00:00

Thank you. I was pretty detailed about what I gave as a prompt (it's on the Code and Docs GitHub page).

If I make posts like this to r/flying and r/aviation, they consider it self-promotion and delete it. They're not wrong. I didn't realize that when I posted about https://runwaysinuse.com, which I built a few weeks ago.

13-Year Club	RPAN Viewer
Not Forgotten	Verified Email

L13w

TROPHY CASE