Navigation and WaterwaysBeginner๐Ÿ“… Updated 2026-05-05

Beginner Navigation and License Term Cards

Core terms to know before reading license, tide, and Han River guides

Start with the key point. Core terms to know before reading license, tide, and Han River guides

Visual guide

Learn terms with small pictures first

License and navigation guides feel hard when the terms are unfamiliar. Start with direction, distance, tide, and bridge-pier terms.

โฌ…๏ธPort

Left side when facing the bow.

โžก๏ธStarboard

Right side when facing the bow.

๐Ÿ“Nautical mile

Marine distance unit. One NM is about 1.852 km.

๐ŸŒŠTidal range

The height difference between high and low tide.

๐ŸŒ‰Bridge pier

Visibility and flow can change around bridge columns.

Reduce confusion before memorizing

Boating content feels difficult because of terms. Start with these before reading license, tide, and Han River pages.

Term Quick sense
Nautical mile Marine distance unit; 10 NM is about 18.52 km
Tide level Water height relative to a reference datum
Tidal range Height difference between high and low tide
Current Direction and speed of flowing water
Starboard Right side when facing the bow
Port Left side when facing the bow
Bridge pier Support column under a bridge
Turn-back point The point where you decide to return

Example wording

โ€œTurn back downstream of Mapo Bridgeโ€ includes both a landmark and direction. โ€œDownstreamโ€ is the direction water flows toward.

๐Ÿ“Ž Sources

7

This guide is based on the sources below. Laws, notices, and fees can change, so check the original source before use.

  1. 1
    ํ•ด์–‘๊ฒฝ์ฐฐ์ฒญ ์ˆ˜์ƒ๋ ˆ์ €์ข…ํ•ฉ์ •๋ณด โ€” ์กฐ์ข…๋ฉดํ—ˆ์˜ ์ข…๋ฅ˜

    Korea Coast Guard

  2. 2
    ๊ตญ๊ฐ€๋ฒ•๋ น์ •๋ณด์„ผํ„ฐ โ€” ์ˆ˜์ƒ๋ ˆ์ €์•ˆ์ „๋ฒ•

    Korean Ministry of Government Legislation

  3. 3
    ๊ตญ๊ฐ€๋ฒ•๋ น์ •๋ณด์„ผํ„ฐ โ€” ์ˆ˜์ƒ๋ ˆ์ €์•ˆ์ „๋ฒ• ์‹œํ–‰๋ น

    Korean Ministry of Government Legislation

  4. 4
    ํ•ด์–‘์ˆ˜์‚ฐ๋ถ€ โ€” ๋ฐ”๋‹ค์— ๋‚˜๊ฐ€๊ธฐ ์ „ ์กฐ์„ ์ •๋ณด ํ™•์ธ์€ ํ•„์ˆ˜

    Ministry of Oceans and Fisheries๐Ÿ“… 2025-11-17 Published

  5. 5
    ๊ตญ๋ฆฝํ•ด์–‘์กฐ์‚ฌ์› โ€” ์Šค๋งˆํŠธ ์กฐ์„์˜ˆ๋ณด

    Korea Hydrographic and Oceanographic Agency

  6. 6
    ์„œ์šธํŠน๋ณ„์‹œ โ€” ํ•œ๊ฐ•์ƒ ๊ต๋Ÿ‰ ํ˜„ํ™ฉ

    Seoul Metropolitan Government๐Ÿ“… 2026-03-05 Published

  7. 7
    ๋ฏธ๋ž˜ํ•œ๊ฐ•๋ณธ๋ถ€ โ€” ์ˆ˜์ƒ๋ ˆ์ € ์šดํ•ญ๋ฐฉ๋ฒ• ๋ฐ ๊ทœ์น™

    Seoul Future Han River Headquarters

Remember before departure

This guide is general information. For actual license booking, renewal, operation, reporting, and restricted-area decisions, confirm the latest Korea Coast Guard portal and relevant authority guidance.

Report errors or outdated information to contact.bbangjae@gmail.com.