Lytebox1
Landing Gear Warning Cutout Switch

Aural Indications

A steady warning horn is provided to alert the flight crew whenever a landing is
attempted and any gear is not down and locked. The landing gear warning horn is
activated by forward thrust lever and flap position as follows:

Flaps up through 10 –

  • Altitude below 800 feet RA, when either forward thrust lever set between
    idle and approximately 20 degrees thrust lever angle or an engine not
    operating and the other thrust lever less than 34 degrees. The landing
    gear warning horn can be silenced (reset) with the landing gear warning
    HORN CUTOUT switch.

  • If the airplane descends below 200 feet RA, the warning horn cannot be
    silenced by the warning HORN CUTOUT switch.

Flaps 15 through 25 –

  • Either forward thrust lever set below approximately 20 degrees or an
    engine not running, and the other thrust lever less than 34 degrees; the
    landing gear warning horn cannot be silenced with the landing gear
    warning HORN CUTOUT switch.

Flaps greater than 25 –

  • Regardless of forward thrust lever position; the landing gear warning horn
    cannot be silenced with the landing gear warning HORN CUTOUT switch.

The warning indication is cancelled when the configuration error is corrected.