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    2,055,424 files checkedFiles from Modrinth and CurseForge we downloaded and checked. Counted on 25 Oct 2026.636,163 files with their code readFiles whose code we turned back into readable code and read, in an isolated environment. Counted on 25 Oct 2026.269,392 projects gradedProjects with a letter from A to F. Counted on 25 Oct 2026.
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    © 2026 ModgradeNot an official Minecraft product. Not approved by or associated with Mojang or Microsoft.

    Aeronautics Preflight Checklist

    Mod

    A checklist that warns you about ship problems before takeoff.

    C67/ 100
    • OverviewC
    • SecurityPassed
    • PrivacyNone found
    • AINone found
    • CompatibilityMinecraft 1.21.1
    • ModpacksIn 18
    • ReleasesLatest 8 Jun

    Download

    aeronautics_preflight_checklist-1.0.1.jar

    Released 8 Jun 2026 · 23.6 KB

    Passed: our checks found nothing harmful in this file.

    Download

    Required to run

    • Create AeronauticsBMinecraft 1.21.1 · NeoForge (release 1.3.2)
    • CreateBMinecraft 1.21.1 · NeoForge (release 6.0.10)
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade C

    How grades work

    Strengths

    • Security checks passed
    • Stable releases

    Points lost

    • No source code link−7 points
    • First release only 5 months ago−5 points
    • No public issue tracker−3 points
    • No release in 5 months−2 points
    • Under 5 million downloads−2 points
    All 11 criteria

    • Maintenance

      2 points lost19 / 21
      Last releaseHow long ago the newest file came out, or an existing file was marked as working on a new Minecraft version.5 months ago (8 Jun 2026) 10 / 12
      Supports popular versionsWhether the project has a file for a Minecraft version that 15% or more of the popular mods updated in the last 6 months also support. A version many modpacks use, like 1.20.1 or 1.21.1, also counts after a release in the last 12 months.1.21.1 on NeoForge. 15% or more of the popular mods updated in the last 6 months also have files for 1.21.1. Latest Minecraft: 26.3. 9 / 9
      Regular releasesIn how many of the last 24 months a new file came out. Full points at 8 months.Does not apply. The project is under 6 months old.

    • Stability

      Full points15 / 15
      Removed from modpacksHow many modpacks removed it in a later version of the pack. We can only see this in modpacks with two or more versions. A pack that swaps it for another edition of the same project, or that is rebuilt from scratch, does not count.2 of the 17 modpacks with two or more versions removed it in a later one (12%) 10 / 10
      Quick fixesHow often a release needed a quick fix: a new release within 3 days to fix a problem in it.Not measured yet.
      Known conflictsHow many projects say they do not work with it, compared with how widely it is used. Packs, small projects, forks, ports, add-ons, alternatives and old versions do not count.None 5 / 5

    • Transparency

      10 points lost0 / 10
      Source codeWhether the project page links to its source code, so anyone can read what it does.No link on the project page 0 / 7
      Place to report problemsWhether the project page links to a place where players can report problems: an issue tracker.No link to report problems 0 / 3

    • Popularity

      2 points lost2 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.15,196 2 / 4

    • Track record

      5 points lost3 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.5 months, 2 releases 3 / 8

    • Security

      Passed
      File checksThis check adds no points. It can only take points away.Our checks found nothing harmful in the latest file for recent Minecraft versions. See Security
    Total67 / 100

    39.1 of the 58 points that apply = 67 out of 100. The points above are rounded to whole numbers.

    Images

    • 2026-06-08_16.59.08.png
    • 2026-06-08_16.58.42.png

    About

    Aeronautics Preflight Checklist adds an expandable panel to the Create: Aeronautics Diagram, helping builders spot potential ship problems before launch without taking over the engineering or flying. Its diagnostics estimate ship mass and available lift, check whether the center of lift aligns with the center of mass, and flag imbalanced thrust or torque that could cause drift, pitching, or yawing. The checklist also warns about blocked propellers or thruster exhausts, missing pilot seats or steering helms, and cargo placement that could make a ship top-heavy or lopsided. Warnings appear in a scrollable, blueprint-style sidebar that can be toggled open or closed; the client-only mod works on multiplayer servers running Create: Aeronautics without requiring server-side installation.

    Written from Modrinth and CurseForge . How we write it

    In-game changes

    Does not change the game's code directly.

    Adds no new blocks, items or other content.

    Keeps all of vanilla Minecraft's textures, models and sounds.

    Details

    Creator
    kyletouchet
    License
    All rights reserved
    Downloads
    15K
    Created
    4 Jun 2026
    Official pages
    Modrinth , CurseForge

    Security

    No harmful code found

    We checked its files and read their code, without running it.

    Why we show this: a mod runs on your computer like any program, so harmful code in it can take your accounts or files. Our checks look for known signs of harm. They cannot prove that a file is harmless. In the grade: malware means no grade, and a Warning in a latest file for a recent Minecraft version lowers it.

    How we checked · The latest file checked, last on 16 Oct 2026
    • FilesWe download the files from Modrinth or CurseForge and look at what is inside them and what their code can do, without running them. Fixed rules tell what is harmful.
      1 latest file, for a recent version. Recent versions: those released in the last 2 years, plus 1.20.1 and 1.21.1, among the most played in modpacks. See each file in Releases
    • Their codeWe turn the code of the files back into readable code and follow what it does, without running it. This shows what it downloads, what it sends and where your login goes.
      Read without running it
    • Author on ModrinthThe disclosure form on Modrinth, where the author declares that the project reads or edits things on your system outside the game. Since 13 Aug 2026, Modrinth's rules require it when this applies.
      Nothing declared about your system outside the game.
    • Looked for, not foundWe looked for these in the file and did not find them.
      The internet, folders outside the game, other programs, updating itself, the webcam or microphone, an AI service.

    Privacy

    We found nothing it sends

    We read its code without running it: it contacts no web address while you play.

    Why we show this: a mod can send things about you over the internet, like your player name or your login. Contacting an address to check for updates or download files sends nothing about you. Not in the grade: sending data can be normal for what a mod does.

    How we checked · Its one file read
    • Files readWe read the code without running it. We list each web address the code contacts while you play, and what it sends. Code that is never used is left out.
      The code of its one file, for recent Minecraft versions. See each file in Releases
    • Author on ModrinthThe disclosure form on Modrinth, where the author declares crash reports, usage data and advertisements. Since 13 Aug 2026, Modrinth's rules require it when a project collects data on its users or shows advertisements.
      Nothing declared about crash reports, usage data or advertisements.

    AI

    No sign so far that AI was used to make it

    We looked for AI tools in its description, files and images and found none.

    We have not read its changelogs yet.

    No sign of AI in the game

    We found no AI service, AI library or AI model file in its code.

    Why we show this: some players and servers avoid projects made with AI, and AI in the game can send what you write to an online service. Not in the grade: using AI does not tell whether a project works well or is kept up to date.

    How we checked · 5 places read
    • Author on ModrinthThe disclosure form on Modrinth. Since 13 Aug 2026, Modrinth's rules require it when a substantial part of the code is AI output, when an asset is mainly AI output, or when the project or its page relies on generative AI.
      No AI content or AI features declared.
    • Description and changelogsThe description, project page and newest changelogs: sentences saying an AI tool was used, and text pasted from an AI chat.
      Nothing found in the description
      Changelogs not read yet
    • Its filesFiles that AI coding tools leave behind (like AGENTS.md), and the texts inside the files you download.
      Nothing found
    • Images in its filesHidden data in the images of the files you download, where AI image tools write their name and settings.
      Nothing found
    • Code of the modThe code and files of the mod, read without running it: addresses of AI services, AI libraries, AI model files and a place for your own AI key.
      No AI service, AI library or AI model file
      7 code files read

    Compatibility

    See all 2 files
    NeoForge
    1.2126.126.2

    Point at or tap a version to see its loaders.

    Runs onWhere to install it: in your game, on the server, or both. As the author says on Modrinth.Works in your game alone. If the server has it too, you get extra features.
    RequiresProjects you must also install for it to work. From the author's lists for its files for recent Minecraft versions, or from its project page.
    Create AeronauticsBCreateB
    OptionalProjects it can work with but does not need. The author lists them.Nothing
    IncludesProjects packed inside its files.Nothing
    Speed of updatesHow fast it gets a file for new Minecraft versions, on average, compared with similar projects. Not part of the grade.It has no file for Minecraft versions newer than 1.21.1. Many recently updated mods still support 1.21.1.

    Modpacks using this project

    Find modpacks with it

    Modpacks that include Aeronautics Preflight Checklist in at least one of their versions, most downloaded first.

    ModpackDownloadsLast version with it
    Rine Time3.8K downloadslast version with it 22 Oct 2026Createrington Rails 'n Sails3.4K downloadslast version with it 23 Oct 2026Create: Above the Clouds1K downloadslast version with it 13 Sep 2026Most the Mods official Mod pack985 downloadslast version with it 27 Jun 2026Arch's Aeronautics Exploration930 downloadslast version with it 18 Jul 2026Aeronautics: Skyward896 downloadslast version with it 18 Jul 2026Create Ground and Air753 downloadslast version with it 19 Aug 2026Only Create724 downloadslast version with it 11 Jun 2026SuperAeronautics652 downloadslast version with it 26 Aug 2026Skybound Chronicles597 downloadslast version with it 23 Aug 2026
    1 to 10 of 1812

    Latest files

    The newest file for each Minecraft version and loader. The files for recent versions come first. Recent versions: those released in the last 2 years, plus 1.20.1 and 1.21.1, among the most played in modpacks.

    MinecraftLoaderVersionSecuritySendsRequires
    1.21.1·NeoForge1.0.11.0.1 · aeronautics_preflight_checklist-1.0.1.jarSends: None foundRequires:Create Aeronautics, CreateCreate Aeronautics, CreatePassedOur checks found nothing harmful in this file. Its code was read too.

    2 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.21.1The latest file for its Minecraft version and loader·NeoForge1.0.11.0.1 · aeronautics_preflight_checklist-1.0.1.jar (main file)·8 Jun 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 23.6 KB
    1.21.1·NeoForge1.0.01.0.0 · aeronautics_preflight_checklist-1.0.0.jar (main file)·4 Jun 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 16.3 KB