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LOS Flight Simulator

A free flight simulator — play it in your browser, no install. Open-source web-based FPV drone Line-of-Sight flight trainer. Betaflight-style physics, 8 progressive levels including Taiwan CAA basic exam simulation. Three.js + zero install.

by @m72900024 · m72900024/LOS-Flight-Simulator on GitHubLANG JavaScript★ 1HOSTED ON M72900024.GITHUB.IOUPDATED 13 Jun 2026

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From the README

模擬真實 5 吋 FPV 四軸飛行器的飛行物理,採用 Betaflight 風格的 Rates 系統, 在瀏覽器中練習從起飛懸停到 8 字飛行的完整技能。純前端、零安裝、即開即飛。

置中型搖桿(Xbox / PS)一般用法:油門桿在中間 = 50% 油門 = 自動懸停(DJI 風格 ALT_HOLD);推上爬升、拉下降。 不置中型 RC 飛手桿(DJI RC3 / RadioMaster Pocket):在設定畫面選「🛩️ 不置中型」,預設改 ANGLE,桿位直接對應油門 0~100%。

設定面板 radio 即時切換,存於 localStorage 跨 session 記憶。

從基礎起飛定高,到穿門、8 字飛行、L8 模擬考試。L8 為台灣 CAA 基本級術科考試模擬,含對應 CAA AC107-005A 規格的雙圓考場(圓心 ±6m,內 4m / 中 6m 虛線 / 外 8m)。

設定畫面 / 遊戲畫面 ARMED 區會即時顯示「🤘 ARMING XX%」hold 進度。

無人機降落到 H 點 1m 內 + 高度 < 1.5m 時,H 字會動態亮螢光綠,協助飛手判斷降落精準度(致謝 @tamago797)。

Read the full README on GitHub →

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