Inserting a note onto an ADMIRALTY Standard Nautical Chart

ADMIRALTY
10 Jul 201701:36

Summary

TLDRThis instructional video demonstrates the process of updating nautical charts with new notes. It begins with identifying the note's position using a grid box and latitude/longitude guides. The note is then cut out and placed on the chart, ensuring accuracy and completeness. A magenta pen is used to label the note's location with its number. Adhesive is applied, and the note is firmly pressed into place. Finally, the chart's 'Notices to Mariners' section is updated with the new note's number, ensuring all maritime updates are recorded.

Takeaways

  • 📍 Use the grid box to determine the NM position on the chart.
  • 🧭 Utilize latitude and longitude guides to accurately place the tracing.
  • 🔍 Display the note position on the chart for visual confirmation.
  • ✂️ Cut out the note using a scalpel and a parallel steel rule.
  • 🔍 Ensure no important chart details are lost when placing the note.
  • 📏 Check the size and position of the note before final application.
  • 🖊️ Use a magenta pen to write the NM number under the note location.
  • 👍 Apply adhesive to the note and press firmly for secure placement.
  • 📝 Update the NM number in the chart's Notices to Mariners section.
  • 🗂️ Complete all updates before finalizing the chart for use.

Q & A

  • What is the purpose of using the grid box in the process described?

    -The grid box is used to reference the NM (nautical mile) position on the chart, which helps in accurately placing the note on the chart.

  • How are latitude and longitude guides used in this process?

    -Latitude and longitude guides on the tracing and the chart are used to lay the tracing to its exact location, ensuring the note's position is correctly aligned with the chart's coordinate system.

  • What is the significance of displaying the note position on the chart?

    -Displaying the note position on the chart is significant as it provides a visual confirmation of the note's correct placement, which is crucial for navigational accuracy.

  • Why is a scalpel and a parallel steel rule used to cut out the note?

    -A scalpel and a parallel steel rule are used to ensure precise cutting of the note, preventing any damage to important details on the chart.

  • What is the importance of not eliminating any important detail on the chart when placing the note?

    -It's important not to eliminate any important detail on the chart to maintain the chart's integrity and accuracy, as any missing information could lead to navigational errors.

  • Why is it necessary to check the size and position of the note before applying it?

    -Checking the size and position ensures that the note fits correctly and is accurately placed, which is essential for maintaining the chart's readability and accuracy.

  • What is the purpose of using a magenta pen to write the NM number on the chart?

    -Using a magenta pen to write the NM number serves as a backup in case the note peels off, ensuring the chart still contains the necessary information for navigation.

  • Why is adhesive applied to the note before placing it on the chart?

    -Adhesive is applied to secure the note in place, ensuring it stays attached to the chart and doesn't move or fall off during use.

  • What does it mean to apply the note firmly down?

    -Applying the note firmly down means pressing it onto the chart to ensure a strong bond with the adhesive, preventing it from lifting or peeling off.

  • Why is it important to update the chart's Notices to Mariners section after making changes?

    -Updating the Notices to Mariners section is important to keep track of all changes made to the chart, ensuring that the chart's users are aware of the latest updates and can navigate safely.

Outlines

00:00

📍 Inserting a New Note on a Chart

This paragraph explains the process of adding a new note to a navigation chart. It starts by using the grid box to determine the note's position (NM) on the chart. The latitude and longitude guides on the tracing and chart are then used to accurately place the tracing. A scalpel and parallel steel rule are used to cut out the note from the provided notes. The note is placed on the chart, ensuring no important details are lost, and its size and position are checked before application. A magenta pen is used to write the NM number beneath the note location as a precaution. Adhesive is applied, and the note is firmly pressed into place. Finally, all updates are recorded in the chart's Notices to Mariners section.

Mindmap

Keywords

💡Grid Box

A 'Grid Box' in the context of the video refers to a specific tool or method used for referencing a position on a chart. It is essential for accurately pinpointing locations, which is a critical aspect of the process demonstrated in the video. The script mentions using the grid box to reference the 'nm' position, indicating its use in maritime navigation or charting where precision is key.

💡Latitude and Longitude

These are fundamental geographical coordinates used to specify locations on Earth. In the script, 'latitude' and 'longitude' are guides for placing the tracing on the chart accurately. They are crucial for maritime navigation as they help in determining the exact position of a vessel or a point of interest on the ocean.

💡Tracing

Tracing in this video likely refers to a template or outline used to transfer information, such as a note, onto a chart. The process involves laying the tracing to its exact location on the chart, which is a meticulous task requiring precision and attention to detail, as indicated by the script.

💡Scalpel

A 'Scalpel' is a precise cutting tool often used in detailed work like surgery, art, or in this case, mapmaking. The script mentions using a scalpel to cut out a note from the provided notes, which suggests a high level of accuracy and care is required to avoid damaging the chart or the note.

💡Parallel Steel Rule

A 'Parallel Steel Rule' is a straightedge tool used for guiding a cutting instrument, like a scalpel, to make straight, precise cuts. In the script, it is used in conjunction with a scalpel to ensure the note is cut out accurately without any deviation, highlighting the importance of precision in the task.

💡Note

In the context of the video, a 'Note' refers to a piece of information that needs to be added to a chart. The script describes the process of cutting out a note and placing it on the chart, which is part of updating a nautical chart with new information, such as navigational hazards or changes in the maritime environment.

💡Magenta Pen

A 'Magenta Pen' is used in the video to write the 'nm' number on the chart beneath the note location. This serves as a backup in case the note peels off, ensuring the critical information is still visible on the chart. The choice of color might be for high visibility or to meet specific charting standards.

💡Adhesive

Adhesive is a substance used for bonding or sticking two surfaces together. In the script, adhesive is applied to the note before placing it on the chart to ensure it stays in position. This is a critical step in the process of updating the chart, as it guarantees the note remains in place and is not lost or misplaced.

💡NM Update Number

The 'NM Update Number' refers to a specific identifier for updates made to a nautical chart. The script mentions adding this number to the 'Notices to Mariners' section, which is a part of the chart where all updates are logged. This systematizes the updates and helps navigators know the chart's revision status.

💡Notices to Mariners

This is a section found on nautical charts that contains information about updates, corrections, and notices relevant to mariners. In the script, it is where the 'NM Update Number' is recorded after all updates have been applied to the chart. It is an essential part of maritime navigation as it communicates critical changes to chart users.

Highlights

Demonstrates the process of inserting a new note on a chart

Utilizes the grid box for referencing the NM position

Employs latitude and longitude guides for accurate placement

Lays the tracing on the chart to its exact location

Displays the note position on the chart for verification

Uses a scalpel and parallel steel rule to cut out the note

Ensures no important chart details are eliminated during placement

Checks the size and position of the note before application

Writes the NM number on the chart with a magenta pen

Applies adhesive to the note for secure placement

Presses the note firmly onto the chart

Updates the NM number in the chart's Notices to Mariners section

Provides a method for chart updates using physical notes

Highlights the importance of accuracy in chart updates

Instructs on the proper use of tools for chart amendment

Stresses the need for careful handling to preserve chart integrity

Outlines a step-by-step approach to updating nautical charts

Includes a practical application for maritime navigation

Transcripts

play00:08

this example will demonstrate how to

play00:10

insert a new note start by using the

play00:15

grid box to reference the nm position on

play00:18

the chart then using the latitude and

play00:22

longitude guides on the tracing and the

play00:25

chart lay the tracing to its exact

play00:27

location this will display the note

play00:31

position on the chart now using a

play00:35

scalpel and a parallel steel rule cut

play00:38

out the note from the notes provided

play00:43

place the note in position ensuring you

play00:46

do not eliminate any important detail on

play00:49

the chart and checking the size and

play00:52

position is correct before applying the

play00:56

note using a magenta pen write the nm

play01:00

number on the chart

play01:02

beneath the note location in case the

play01:05

note peels off now apply adhesive to the

play01:10

note

play01:12

place the note in position and press

play01:14

firmly down

play01:17

once all the updates have been applied

play01:19

at the nm update number to the charts

play01:23

notices to Mariners section in the

play01:26

bottom left corner of the chart

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Étiquettes Connexes
Nautical ChartsChart UpdatingGrid ReferencesLatitude LongitudeTracing TechniquesScalpel CuttingAdhesive NotesMarine NavigationNotices to MarinersChart PrecisionMarine Cartography
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