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r/aerospace rules, stats, and what to post

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

By Anthony Riera, founder and operator of Rankhog.

Subreddit guides combine public Reddit source URLs, captured rules, visible verification dates, and Rankhog's account-safety workflow.

Current public stats

Members
128,569
Verified
September 18, 2026
Category
Science and space communities

Rules can change, so Rankhog keeps verification dates and the original public Reddit sources visible.

Rule summary

  • 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.
  • 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.
  • No pseudoscience, UFO, Conspiracy, Flat Earth, etc. posts: Enjoy your conspiracy theories somewhere else, please.
  • 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.
  • No basic spotter type content: Spotter type content is only allowed for unusual and rare aircraft.
  • 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.
  • No AI generated posts: Do not post low effort copy pasted AI generated content.

Works well

  • A link to an original news article from a reputable aerospace publisher about a new civil aviation development, with a comment from you adding technical context.
  • A substantive text post discussing a trend in space exploration, written in your own words with no promotional links.
  • A link to an original source video of an unusual or rare aircraft, with a title that explains what makes it rare.
  • A discussion post about military aviation news, linking to the original source and asking a specific question to start conversation.

Avoid

  • Do not post your own blog articles or links that exist mainly to generate click revenue for your website, the community calls this out under "No blogspam or commercial spam".
  • Do not rehost videos or articles and link to your own copy, the rule "No rehosted videos or articles." requires you to use the original source.
  • Do not post basic photos of common aircraft you saw at an airport, the rule "No basic spotter type content" only allows unusual and rare aircraft.
  • Do not post AI generated content, the rule "No AI generated posts" bans low effort copy pasted AI output.
  • Do not post conspiracy theories, UFO content, flat earth material, or pseudoscience, the rule "No pseudoscience, UFO, Conspiracy, Flat Earth, etc. posts" removes all of it.
  • Do not post interview requests for school or university projects, the rule "No interview requests" blocks them entirely.

What r/aerospace Is For

This community is a discussion forum for news about aviation and astronautics, and a friendly place for discussion about the industry. It covers civil and military aviation, space exploration, and news relevant to people with a passion for all things flying. The people who post here are enthusiasts and professionals who care about aerospace topics and want substantive discussion, not self-promotion.

Rules That Matter Before Posting

The rule "No blogspam or commercial spam" is the one that will catch most marketers first. It says the subreddit is not a forum to promote your blog or generate click revenue, and that linked posts must be substantive and promote discussion rather than being vapid and self-promotional. The rule "No rehosted videos or articles." matters just as much for anyone sharing content, because it requires you to use the original source as much as practical. The rule "No AI generated posts" bans low effort copy pasted AI generated content, so do not use AI tools to write your posts. The rule "No basic spotter type content" only allows unusual and rare aircraft photos, so ordinary aircraft pictures will be removed. The rule "No interview requests" blocks all interview requests for school or university projects. The rule "No pseudoscience, UFO, Conspiracy, Flat Earth, etc. posts" removes anything outside accepted science.

What To Post

A good post here is a substantive link to an original source that promotes real discussion about aviation or astronautics. If you are a founder doing respectful Reddit marketing, your best path is to share genuinely interesting aerospace news from the original publisher, then add your own thoughtful analysis in the comments to start a conversation. You could also write an original text post about an aerospace industry trend, as long as it is substantive and not a pitch for your product. The key is that your post must look like it belongs in a discussion forum, not a marketing channel.

What To Avoid

Do not post your own blog articles or links that exist mainly to generate click revenue for your website, because the rule "No blogspam or commercial spam" will catch you. Do not rehost videos or articles and link to your own copy, because the rule "No rehosted videos or articles." requires you to use the original source. Do not post basic photos of common aircraft you saw at an airport, because the rule "No basic spotter type content" only allows unusual and rare aircraft. Do not post AI generated content, because the rule "No AI generated posts" bans low effort copy pasted AI output. Do not post conspiracy theories, UFO content, flat earth material, or pseudoscience, because the rule "No pseudoscience, UFO, Conspiracy, Flat Earth, etc. posts" removes all of it. Do not post interview requests for school or university projects, because the rule "No interview requests" blocks them entirely. Do not be rude, aggressive, or generally unkind, because the rule "Remember the human" says that will not be tolerated.

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Common questions about r/aerospace

Can I post a link to my aerospace company blog?

No, the rule "No blogspam or commercial spam" explicitly bans using the subreddit to promote your blog or generate click revenue for your website.

Can I ask the community for an interview for my university project?

No, the rule "No interview requests" blocks all interview requests for school or university projects.

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

Only if the aircraft is unusual and rare, the rule "No basic spotter type content" removes ordinary spotter photos.

Can I use AI to help write my post?

No, the rule "No AI generated posts" bans low effort copy pasted AI generated content.

Can I share a news article about a new space launch?

Yes, as long as you link to the original source and the content is substantive and promotes discussion rather than being self-promotional.

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