Microwave landing system

High school (ages 12+)
Transportation

Name:

Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/microwave-landing-system

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. What is the frequency band?Operates in the 5 GHz range, allowing for narrow, steerable beams
2. What is the guidance parameters?Provides precise azimuth (lateral), elevation (vertical), and distance (DME) information
3. How does MLS help planes land in fog?MLS sends invisible radio waves that create a precise “fence” in the sky. The plane’s receiver tells the pilot exactly where it is inside that fence, so it can land even in fog.
4. Why is MLS better than the older Instrument Landing System?MLS uses higher‑frequency microwaves, which can make very narrow, steerable beams. This gives pilots more accurate position and lets airports use many different approach angles, unlike the older ILS.

Microwave Frequencies: Electromagnetic waves in the gigahertz range, enabling highly directional and precise signal transmission.
Steerable Beams: Radio signals that can be precisely aimed and directed, forming a digital guidance pathway.
Category III Landing: An instrument landing system approach and landing procedure allowing operations in extremely low visibility conditions.