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r/aerospace rules, stats, and what to post

Know the rules before you post. So easy grandma can do it.

130K members
To post
No minimum in the rules
To comment
No minimum in the rules
Self-promotion
Banned
Links
Allowed with conditions
Linked posts should be substantive and promote discussion, not vapid and self-promoting, and must use the original source.
Promo risk
High
From the rules, not from removal counts
Community age
18 years
Since Jun 2008
A grandma in an orange sweater at an old beige computer, reading r/aerospace on Reddit. A Rankhog sticker and a Reddit sticker are on the computer.

About r/aerospace

A source-backed Rankhog guide to r/aerospace: public rules, community context, posting fit, and startup-promotion risk before you publish.Checked from the r/aerospace rules on Reddit.

r/aerospace rules

7 rules, in the community's own words.

  1. 1

    Remember the human

    This subreddit is intended to be a discussion forum for news about aviation and astronautics, and a friendly place for discussion about the industry. Being rude/aggressive/generally shitty is not going to be tolerated.

  2. 2

    No blogspam or commercial spam

    This isn't a forum to promote your blog or generate click revenue for your website. Linked posts should be substantive and promote discussion, not vapid and self-promoting.

  3. 3

    No pseudoscience, UFO, Conspiracy, Flat Earth, etc. posts

    Enjoy your conspiracy theories somewhere else, please.

  4. 4

    No rehosted videos or articles.

    As much as practical use the original source for the content your are posting. Do not post video you do not have the right to rehosted on your youtube channel for example.

  5. 5

    No basic spotter type content

    Spotter type content is only allowed for unusual and rare aircraft.

  6. 6

    No interview requests

    We do not allow interview requests for school/university projects. Those posts do not contribute to the subreddit and often ask way too personal questions for the internet.

  7. 7

    No AI generated posts

    Do not post low effort copy pasted AI generated content.

What to post in r/aerospace

What fits the room, and what gets removed.

Works well

  • Share news from the original source, like a manufacturer press release or an official agency announcement, with a title that invites discussion.
  • Start a discussion thread asking the community for their take on an industry development, with no link at all.
  • Post a substantive writeup of something you learned working in or around aviation or space, written by you and not pasted from AI.
  • Link a rare or unusual aircraft photo when it genuinely fits the spotter exception, and say why it is rare.
  • Ask a genuine industry question, like how something works in practice, where people with real experience can answer.

Avoid

  • Posting a link to your own blog, product, or landing page, which counts as commercial spam.
  • Pasting an AI written post or comment into the community.
  • Rehosting someone else's video or article instead of linking the original source.
  • Posting ordinary spotter photos of common aircraft.
  • Asking members to answer interview questions for a school or university project.
  • Posting UFO, conspiracy, flat earth, or pseudoscience content of any kind.

Best hours to post in r/aerospace

No pattern yet. r/aerospace does not have enough top posts from the last 90 days to name its best hours.

What r/aerospace Is For

This is a community for people who love anything that flies. The description covers civil and military aviation, space exploration, and news that interests people with a passion for the field. The people posting here are enthusiasts, and likely plenty of people who work in or around the industry, talking about news and discussing the industry in a friendly way. The rules make it clear this is a discussion forum first. It is a place to talk about what is happening in aviation and astronautics, not a place to push your own thing.

Rules That Matter Before Posting

The rule that decides most marketing outcomes is “No blogspam or commercial spam”. It says linked posts should be substantive and promote discussion, not vapid and self promoting. That is the line between a post that survives and one that does not. “No AI generated posts” matters a lot right now, because it bans low effort copy pasted AI content outright. “No rehosted videos or articles.” matters if you share links, since you must use the original source. “Remember the human” sets the tone, so rudeness or aggression is not tolerated. “No basic spotter type content” only matters if you post photos, and then only unusual or rare aircraft are allowed. “No pseudoscience, UFO, Conspiracy, Flat Earth, etc. posts” keeps the topic range grounded. “No interview requests” rules out asking the community for school project interviews.

What To Post

A good post here is something that starts a real conversation about flying, space, or the industry. If you link anything, link the original source and make sure the post has substance behind it, not just a pitch. A thoughtful question about how something works in the industry, a genuine news item with your own take, or a discussion prompt about a topic people here care about will fit right in. If you work in the field, sharing what you know in your own words is welcome. The test I use is simple, would someone reading this learn something or want to reply, or would they just feel sold to.

What To Avoid

Do not promote your blog, product, or website, because “No blogspam or commercial spam” makes that a removal. Never post AI generated content, because “No AI generated posts” bans it outright. Do not repost videos or articles from somewhere else, because “No rehosted videos or articles.” requires the original source. Skip ordinary plane spotting photos, because “No basic spotter type content” only allows unusual and rare aircraft. Do not ask people for interviews for school projects, because “No interview requests” forbids it. Stay away from conspiracy theories and pseudoscience, because “No pseudoscience, UFO, Conspiracy, Flat Earth, etc. posts” removes those. And be civil, because “Remember the human” means rudeness gets you nowhere.

A note from Anthony

The rule that stands out to me is the flat ban on AI generated posts. This community decided early that low effort pasted content has no place here, and I respect that. I also like that the spotter photo rule has a built in exception for rare and unusual aircraft, which tells you the moderators want the bar high but not zero. If you build something for this industry, my honest read is that you earn your place by joining the discussion first and never leading with your link.

By , founder and operator of Rankhog. Every guide is built from the community's own public rules and data, then checked by Rankhog's grounding audit before it goes live.

Common questions about r/aerospace

What subreddits are similar to r/aerospace?

Subreddits like r/aerospace are r/space, r/AerospaceEngineering and r/RKLB.

Can I post a link to my own company's blog or product page?

No. The rule “No blogspam or commercial spam” says this is not a forum to promote your blog or generate click revenue, and self promoting links are exactly what gets removed.

What if my link is genuinely interesting news?

Links are allowed if they are substantive and promote discussion. Link the original source, not a rehost, and make sure the post is not vapid or self promoting.

Can I use AI to help write my post?

The rule “No AI generated posts” bans low effort copy pasted AI generated content. Write it yourself in your own words.

Can I share a video I found on YouTube?

Only if you link the original source. “No rehosted videos or articles.” says to use the original source and not post video you do not have the right to rehost.

Can I post a cool photo of a plane I took?

Only if the aircraft is unusual or rare. “No basic spotter type content” allows spotter photos just for that exception.

Subreddits like r/aerospace

Other rooms for the same crowd.

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