Sapphire-21
Contents
Description
Write an introduction to the article in 2-3 small paragraphs. Briefly tell us about the history of the development and combat using the radar and also about its features. Compile a list of air, ground, or naval vehicles that feature this radar in the game.
Vehicles equipped with this radar
- ◊MiG-21 "Lazur-M"
- ◄MiG-21 SPS-K
- MiG-21bis
- ▄MiG-21bis
- ◊MiG-21bis-SAU
- ◊MiG-21MF
- MiG-21PFM
- MiG-21S (R-13-300)
- MiG-21SMT
General info / usage
Tell us about the tactical and technical characteristics of the radar. Describe its distinctive features and tactics of usage against the main opponents.
| Features | ||||||
|---|---|---|---|---|---|---|
| Band | Pulse mode | PD mode | MTI mode | IRST mode | TWS mode | SARH |
| J |  |
 |
|
|
|
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| Search characteristics | ||||||
|---|---|---|---|---|---|---|
| Mode | Max range | Effective range | Display ranges | IFF | ||
| SRC | 30 km | 18 km | 30 km | ✓ | ||
| Search modes | ||||||
|---|---|---|---|---|---|---|
| Mode | Scan type | Azimuth | Elevation | Period | ||
| SRC | Two-way raster | ±30° | -3°/+17° | 2.5 s | ||
| One-way raster | ±30° | -1°/+12° | 1.7 s | |||
| One-way raster | ±30° | -3°/+10° | 1.7 s | |||
| ACQ | Cone | ±5° | ±5° | 0.5 s | ||
| Tracking characteristics | ||||||
|---|---|---|---|---|---|---|
| Mode | Max range | Azimuth limit | Elevation limit | |||
| TRK | 30 km | ±30° | ±17° | |||
Comparison with analogues
Give a comparative description of similar or related radars.
Pros and cons
Summarise and briefly evaluate the radar in terms of its characteristics and combat effectiveness. Mark pros and cons as a list.
Pros:
Cons:
History
Examine the history of the creation and combat usage of the radar in more detail than in the introduction. If the historical reference turns out to be too long, take it to a separate article, taking a link to the article about the radar and adding a block "/History" (example: https://wiki.warthunder.com/(Radar-name)/History) and add a link to it here using the main template. Be sure to reference text and sources by using <ref></ref>, as well as adding them at the end of the article with <references />.
Media
Excellent additions to the article would be video guides, screenshots from the game, and photos.
See also
Links to the articles on the War Thunder Wiki that you think will be useful for the reader, for example:
- reference to articles about variants of the radar;
- references to approximate analogues by other nations and research trees.
External links
Paste links to sources and external resources, such as:
- topic on the official game forum;
- other literature.
