Scientific Anglers Sonar Series Fly Lines

 

The Sonar series was designed by anglers for anglers. Built for exploring every inch of the water column, the Sonar series features sinking heads, full-sinking lines, and even custom-cut lines for getting down as deep as you need.

Constructed with our AST slickness additive, Sonar sinking technology, SA ID line identification system and welded loops, the Sonar series is a technologically advanced set of sinking lines for fish of all species.

Fresh or salt water, it doesn't matter. We have a Sonar line for the fish you're after.

 

Sonar Sink 25 Cold

Sonar Sink 25 Cold

Sinking-head fly line for cold water

When it comes to fishing streamers in cold water, it’s difficult to beat the SONAR Sink 25. Designed with a short 25' fast-sinking head, the Sink 25 sinking fly line gets flies deep extremely quickly and is paired with a large diameter handling section for excellent line control. When it’s time to get down and dirty, the Sink 25 has your back.

  • 25' extra-fast sinking head with handling line
  • For coldwater applications
  • An excellent streamer line for trout
  • Low-tangle design increases shooting distance
  • Floating running line
  • Super-fast sink: 4.0 - 8.0 ips, sinks 4' - 15'
  • Braided multifilament core
  • SA ID - SA SONAR SINK 25 ### (# = grain weight)

Line weight Head length Total length Grain weight
5 - 6 25.0' 105.0' 150
6 - 7 25.0' 105.0' 200
7 - 8 25.0' 105.0' 250
8 - 9 25.0' 105.0' 300
9 - 10 25.0' 105.0' 350
11 - 12 25.0' 105.0' 400
12 - 13 25.0' 105.0' 450
Sonar Sink 30 Clear

Sonar Sink 30 Clear

Intermediate sinking fly line for warm water

So part of the equation is getting flies in front of fish. The next part is not spooking them while doing so. Our SONAR Sink 30 Clear fly line offers the same casting benefits of the SONAR Sink 30 taper, but substitutes a 30' slow-sinking clear head. When stealth isn’t an option, the best choice is to go clear.

  • 30' clear sinking head to get flies just below the surface
  • Intermediate running line
  • Sink rate: Intermediate = 1.25 ips'
  • Braided multifilament core
  • SA ID - SA SONAR SINK 30 ### (# = grain weight)

Line weight Head length Total length Grain weight
6 - 7 30.0' 105.0' 200
7 - 8 30.0' 105.0' 250
8 - 9 30.0' 105.0' 300
9 - 10 30.0' 105.0' 350
11 - 12 30.0' 105.0' 400
Sonar Grand Slam Clear Tip

Sonar Grand Slam Clear Tip

Bonefish, permit and tarpon, all on one line

Tarpon. Bonefish. Permit. All in one day. All on one line. That’s the idea behind the Mastery Grand Slam, a fly line designed specifically to help you achieve one of angling’s most elusive accomplishments. We’ve taken our most popular saltwater taper and added a clear intermediate tip for ultra wary fish.

  • 8 foot clear, intermediate sink tip for ultra wary fish
  • Intermediate tip gets the fly down to fish
  • Overweighted by .75 sizes to load rods quickly; use designated line weight for your rod
  • Short, powerful head turns over long leaders and heavy flies
  • Tropi-Core technology remains stiff and slick in tropical environments
  • Sink Rate: 1.25 ips (Intermediate)
  • SA ID - SA SONAR GS CLEAR TP WF XX FI (X= line weight)

Line weight Head length Total length Grain weight
WF6FI 40.0' 100.0' 175
WF7FI 40.0' 100.0' 205
WF8FI 40.0' 100.0' 235
WF9FI 40.0' 100.0' 270
WF10FI 40.0' 100.0' 320
WF11FI 40.0' 100.0' 365
WF12FI 40.0' 100.0' 435
Sonar Saltwater Intermediate

Sonar Saltwater Intermediate

Slow-sinking fly line for saltwater

It’s not very often you’ll need to fish topwater flies in the salt. That’s where an intermediate line comes in handy. The SONAR Saltwater Intermediate fly line features a slow-sinking clear head that cuts through the surface and provides an amazing amount of stealth for those wary fish cruising the flats. From redfish and bonefish to permit and tarpon, give yourself an edge that fish won’t be able to see.

  • Slow sink rate gets flies just below the surface
  • Engineered for use in saltwater
  • Clear head for stealthy presentations
  • Built a half-size heavy for quick loading
  • Intermediate running line
  • Tropi-Core technology for tropical climates
  • Sink rate: 1.25 ips
  • SA ID - SA SONAR SWTI WF X I (X = line weight)

Line weight Head length Total length Grain weight
WF7I 38.0' 105.0' 200
WF8I 38.0' 105.0' 225
WF9I 38.0' 105.0' 260
WF10I 41.0' 105.0' 305
WF11I 41.0' 105.0' 355
WF12I 41.0' 105.0' 415
Sonar Musky

Sonar Musky

Powerful, fast-sinking musky taper

For casting large, bulky flies and getting them deep in the water column.

  • Powerful head to turn over extremely large flies
  • Reinforced loops
  • Oversized running line for increased line management and positive strip sets
  • Intermediate running line and Sink 5 head works well for lakes and rivers
  • For use in moderate climates
  • Braided multifilament core
  • SA ID - SA SONAR MUSKY XXXGR (XXX = grain weight)

Line weight Head length Total length Grain weight
10-11 30.0' 90.0' 450
11-12 30.0' 90.0' 500
Sonar Surf

Sonar Surf

Ideal surf line for single- and double-hand rods

Cast out and get down with the Sonar Surf. Designed with a 27’ Sink 6 head the Sonar Surf is THE ideal line for single and double hand rods in the surf.

  • 27’ Sink 6 head designed for use with single hand and double hand rods
  • Intermediate running line with integrated handling section
  • Sink Rate: Sink 6: 5.5 – 6.5 ips
  • For use in moderate climates
  • Braided multifilament core
  • SA ID - SA SONAR SURF XXXGR (XXX = grain weight)

Line weight Head length Total length Grain weight
7-8 27.0' 105.0' 200
8-9 27.0' 105.0' 250
9-10 27.0' 105.0' 300
Sonar Custom Tip

Sonar 3D Custom Tip

Custom-cut sinking fly line

Fly anglers are nothing if not inventive. From splicing together lines to weighing coils on a digital scale, finding the perfect sinking line can be a chore. The SONAR Custom Tip sinking fly line makes all of that much, much easier. This cut-to-fit fly line allows you to slice off as much line as you need to fit everything from a 7-weight through a 15-weight.

  • Cut-to-fit design lets you cut the tip to the ideal weight
  • Goes deep and stays deep
  • Intermediate running line; fast-sinking head
  • Sink rates:
    • Intermediate = 1.25 ips
    • Sink 3 = 2.5-5.5 ips
    • Sink 8 = 8 ips
  • Braided multifilament core
  • Comes with braided add-on loop

Line weight Head length Total length Grain weight
Cut-to-fit 35.0' 105.0' 462

 

 

Sonar Jungle Custom Tip

Sonar Jungle Custom Tip

Custom-cut sinking fly line for jungle fish

Fly anglers are nothing if not inventive. From splicing together lines to weighing coils on a digital scale, finding the perfect sinking line can be a chore. The SONAR Jungle Custom Tip sinking fly line makes all of that much, much easier. This cut-to-fit fly line allows you to slice off as much line as you need to fit everything from a 7-weight through a 15-weight for chasing peacock bass, golden dorado, and other jungle species.

  • Cut-to-fit design lets you cut the tip to the ideal weight for whichever species you’re chasing
  • Excellent custom sinking line for species such as peacock bass and dorado in harsh jungle environments
  • Goes deep and stays deep
  • Intermediate running line; fast-sinking head Sink Rate: 7.75 ips
  • Tropi-Core technology remains stiff and slick in tropical environments
  • Comes with braided add-on loop

Line weight Head length Total length Grain weight
Cut-to-fit 35.0' 105.0' 462
Sonar Tropical Custom Tip

Sonar Tropical Custom Tip

Custom-cut sinking fly line for tropical climates

Fly anglers are nothing if not inventive. From splicing together lines to weighing coils on a digital scale, finding the perfect sinking line can be a chore. The SONAR Tropical Custom Tip sinking fly line makes all of that much, much easier. This cut-to-fit fly line allows you to slice off as much line as you need to fit everything from a 7-weight through a 15-weight.

  • Cut-to-fit design lets you cut the tip to the ideal weight
  • Goes deep and stays deep
  • Intermediate running line
  • Sink rate: 7.75 ips
  • Tropi-Core technology for tropical climates
  • Comes with braided add-on loop

Line weight Head length Total length Grain weight
Cut-to-fit 35.0' 105.0' 462