The disclosure provides a blocking door (160) that is pivotally disposed on a fixed nacelle (137, 139) of a tiltrotor aircraft (101) for pivoting between a stowed position (S) when a proprotor pylon (115, 117) is in the substantially horizontal position and a protective blocking position (B) in front of the proprotor pylon (115, 117) when the proprotor pylon (115, 117) is positioned in the non-horizontal position. In other aspects, there is provided a method of reducing infrared and/or radar signatures of rotorcraft with a rotatable proprotor (116, 118).


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    Title :

    TILTROTOR AIRCRAFT WITH BLOCKING DOOR FOR PROPROTOR PYLON


    Additional title:

    KIPPROTORFLUGZEUG MIT BLOCKIERENDEN TÜR FÜR PROPROTOR-PYLON
    AÉRONEF À ROTOR ORIENTABLE AVEC PORTE BLOQUANTE POUR PYLON DE PROPROTOR


    Contributors:

    Publication date :

    2020-03-25


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B64C AEROPLANES , Flugzeuge / B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT



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