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  2. Glossary of rowing terms - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_rowing_terms

    While carrying the shell, the athletes are commanded to hold the shell in a diagonal position, the high side as stated. "Check it/her down" Square the oars in the water to stop the boat. "Count Down" (or "number off") Tells the crew to call out their seat number, starting at the bow, when ready to row. "Down on port/starboard"

  3. Position error - Wikipedia

    en.wikipedia.org/wiki/Position_error

    The ideal position for a static port is a position where the local air pressure in flight is always equal to the pressure remote from the aircraft, however there is no position on an aircraft where this ideal situation exists for all angles of attack. When deciding on a position for a static port, aircraft designers attempt to find a position ...

  4. Blade pitch - Wikipedia

    en.wikipedia.org/wiki/Blade_pitch

    In rowing, blade pitch is the inclination of the blade towards the stern of the boat during the drive phase of the rowing stroke. Without correct blade pitch, a blade would have a tendency to dive too deep, or pop out of the water and/or cause difficulties with balancing on the recovery phase of the stroke.

  5. Airfield traffic pattern - Wikipedia

    en.wikipedia.org/wiki/Airfield_traffic_pattern

    Certainly a plane giving a position report of "mid-downwind" can be visually located easily.) Base leg. A short descending flight path at right angles to the approach end extended centerline of the landing runway. Final approach. A descending flight path in the direction of landing along the extended runway centerline from the base leg to the ...

  6. Aircraft maintenance checks - Wikipedia

    en.wikipedia.org/wiki/Aircraft_maintenance_checks

    The C check is performed approximately every 20 to 24 months, after a specific number of actual flight hours, or as defined by the manufacturer. This maintenance check is much more extensive than the B check, requiring a large majority of the aircraft's components to be inspected. This check puts the aircraft out of service for 1 to 4 weeks.

  7. Aircraft principal axes - Wikipedia

    en.wikipedia.org/wiki/Aircraft_principal_axes

    The position of all three axes, with the right-hand rule for describing the angle of its rotations. An aircraft in flight is free to rotate in three dimensions: yaw, nose left or right about an axis running up and down; pitch, nose up or down about an axis running from wing to wing; and roll, rotation about an axis running from nose to tail.

  8. Aircraft upset - Wikipedia

    en.wikipedia.org/wiki/Aircraft_upset

    Aircraft upset is an unacceptable condition, in aircraft operations, in which the aircraft flight attitude or airspeed is outside the normally intended limits. This may result in the loss of control (LOC) of the aircraft, and sometimes the total loss of the aircraft itself. [1]

  9. Longitudinal stability - Wikipedia

    en.wikipedia.org/wiki/Longitudinal_stability

    In flight dynamics, longitudinal stability is the stability of an aircraft in the longitudinal, or pitching, plane.This characteristic is important in determining whether an aircraft pilot will be able to control the aircraft in the pitching plane without requiring excessive attention or excessive strength.