Aviation Dictionary

SISTER KEELSONS

Structural members in the front portion of floats lying parallel to the keel and midway between the keel and chines, adding structural rigidity and adding to directional stability when on the water.

Dictionary Term

SISTER KEELSONS

Definition

Structural members in the front portion of floats lying parallel to the keel and midway between the keel and chines, adding structural rigidity and adding to directional stability when on the water.

References

Seaplane, Skiplane, and Float Ski Equipped Helicopter Operations Handbook, Federal Aviation Administration, 2024