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CI Exam Terminology
FFI Fly Casting Definitions - 2024 version
Term | Definition |
---|---|
Fly Casting | Using a flexible lever to move and unroll a weighted line to propel an artificial lure. |
Loop | The shape a fly line assumes as it overtakes the rod tip during a Fly Cast. |
Fly Leg | The moving section of fly line in a Loop from the fly to the start of the Loop Nose. |
Rod Leg | The moving or stationary section of fly line in a Loop from the rod tip to the end of the Loop Nose. |
Loop Nose | The curved section of fly line at the front of the Loop which is the transition between the Fly Leg and the Rod Leg. |
Straight Fly Leg | A Fly Leg where the line and leader are relatively free from curvature from the Loop Nose to the fly. |
Convex Fly Leg | A Fly Leg with a dome shaped configuration curving away from the Rod Leg. |
Concave Fly Leg | A Fly Leg which is not Straight and dips toward the Rod Leg. |
Trailing Loop | A Loop which has a Fly Leg which crosses the Rod Leg. |
Underslung Loop | A Loop whose Fly Leg unrolls below its Rod Leg. |
In-Plane Loop | A Loop whose Fly Leg and Rod Leg are in the same plane. |
Out-of-Plane Loop | A Loop whose Fly Leg and Rod Leg are in different planes. |
Translation | A linear change in position of the rod butt. |
Rotation | An angular change in position of the rod butt. |
Casting Stroke | Rotation and/or Translation of the rod butt sufficient to cause Loop formation. |
Stroke Length | The distance moved by the rod butt during the Casting Stroke. |
Casting Arc | The angle change of the rod butt during the Casting Stroke. |
Stop | Deceleration of the rod resulting in Loop formation. |
Rod Plane | The surface traced by the rod during a Fly Cast. |
Rod Tip Path | The straight or curved path travelled by the rod tip during a Fly Cast. |
Tracking | The lateral path of the rod tip during the Casting Stroke. |
Trajectory | The direction travelled by the Loop relative to the horizon. |
Lift | Moving the rod up to reposition the fly line for the next movement in the Fly Cast. |
Follow-Through | Moving the rod forward and down after the Delivery Cast. |
Timing | The moments in time when each casting action transitions into the next. |
Tempo | The rates of movement within a cast. |
Pause | The time period between Casting Strokes. |
180 Degree Principle (Aerialized Casts) | The intended Rod Tip Path and fly line are closely aligned both laterally and vertically with the target at the start of each Casting Stroke. |
180 Degree Principle (Anchored Casts) | The Delivery Cast, D Loop and the Anchor are closely aligned laterally with the target. |
Drift | Moving the rod tip in the direction of the current cast during the Pause. |
Drag | Moving the rod tip in the direction of the next cast during the Pause. |
Creep | Drag which contributes to a casting fault. |
Up/Down | Moving the rod tip up or down during the Pause. |
In/Out | Moving the rod tip in (closer to the caster laterally) or out (further away) during the Pause. |
Aerial/Overhead Cast | After the initial Lift, aerialized forward and back casts are made until the Delivery Cast. |
False Cast | A forward cast followed by a back cast, both of which remain aerialized.. |
Overhang | The amount of running/shooting line outside the rod tip during Casting Strokes. |
Point P | The point where the fly line suspended from the rod tip first touches the water. |
Anchor | The fly and leader/fly line in contact with the water at the bottom of the D Loop. |
Anchored Cast | A cast whose back cast Loop passes underneath the rod tip and forms an Anchor and a D Loop. |
Anchor Position | The location and layout of the Anchor relative to the caster. |
Skipped Anchor | An Anchor which briefly forms and then prematurely leaves the water while moving away from the target before the Delivery Cast. |
Blown Anchor | An Anchor which prematurely releases from the water during the Delivery Cast. |
Piled/Crashed Anchor | An Anchor which lands on the water creating slack in the line/leader. |
Bloody L Anchor | An Anchor in which at least some of the leader/fly line points away from the caster at approximately a right angle to the D Loop. |
Connection Point | The line/leader or line/sink tip connection. |
D Loop | A round shaped back cast Loop between the rod tip and the Anchor of an Anchored Cast. Also used as a generic reference to back cast Loops of any shape in Anchored Casts. |
V Loop | A pointed back cast Loop between the rod tip and the Anchor of an Anchored Cast. |
D Loop Sweep | A Casting Stroke which initiates the formation of the back cast Loop of an Anchored Cast. |
Line Placement Move | A movement of the rod immediately after the Lift which results in the line being positioned appropriately on the water for the subsequent D Loop Sweep. |
Circle Up | A circular and upward movement connecting the D Loop Sweep and the delivery Cast with which the caster moves into the Key Position. |
Key Position | The hand and arm positions from which the caster begins the Delivery Cast |
River Left/Left Bank | The left bank of the river when facing downstream. |
River Right/Right Bank | The right bank of the river when facing downstream. |
Delivery Cast | The final Casting Stroke of a Fly Cast, which presents the fly. |
Mends | Manipulating the fly line layout by rod movement after the Stop on a Delivery Cast. o Aerial Mends - mending before the line/leader lands on the water. o Water Mends - mending after the line/leader lands on the water |
Shooting line | Increasing the amount of fly line outside the rod tip by releasing the line after the Stop. |
Slipping line | Increasing the amount of fly line outside the rod tip by releasing the line and moving the rod either before or after a Casting Stroke. |
Straight Line Presentations | Casting Strokes and/or Mends which produce a straight line layout. |
Slack Line Presentations | Casting Strokes and/or Mends which produce slack line layouts. |
Curved Presentations | Casting Strokes and/or Mends which produce a curved line layout. |
Single Haul | Pulling the fly line through the rod guides during either the forward or back Casting Stroke. |
Double Haul | Pulling the fly line through the rod guides during consecutive Casting Strokes, after returning the line hand towards the rod hand during the Pause. |
Continuous Tension Cast | A cast where continuous rod movement maintains tension in the fly line. |
Oval/Gebetsroither/Belgian/Elliptical Cast | A Continuous Tension Cast formed by a relatively horizontal back cast Rod Plane which then transitions without stopping into a more vertical Rod Plane on the forward cast. |
Roll Cast | An Anchored Cast without a substantial change of direction consisting of a Lift, D Loop Sweep, Circle Up, and Delivery Cast in which the fly does not leave the water until after the Delivery Cast. |