An aircraft system comprising: a linkage comprising a first end, an opposing second end and a clevis therebetween; a motion limiter configured to engage the clevis; wherein: the first end is configured for connecting to one of a strut of a ram air turbine, RAT, and an enclosure door, and the second end being is configured for connecting with another of the strut and the door; and the motion limiter limits rotation between the first end of the linkage and the second end of the linkage; wherein: the first end of the linkage is a proximate end, and the second end of the linkage is a distal end; a first portion of the linkage extends between the clevis and the first end, and includes a clevis base, distally extending clevis prongs, a clevis cavity defined between the clevis prongs, and a clevis cavity apex at a proximate end of the clevis cavity; and a second portion of the linkage extends between the clevis and the second end, and includes a clevis tang; and the motion limiter engages the clevis cavity apex to limit rotation of the clevis tang within the clevis cavity; characterized in that, the motion limiter comprises a block, the block including a first opening; and the block is configured for sliding over the prongs so that the prongs pass through the first opening and the block engages the clevis cavity apex. a linkage comprising a first end, an opposing second end and a clevis therebetween; a motion limiter configured to engage the clevis; wherein: the first end is configured for connecting to one of a strut of a ram air turbine, RAT, and an enclosure door, and the second end being is configured for connecting with another of the strut and the door; and the motion limiter limits rotation between the first end of the linkage and the second end of the linkage; wherein: the first end of the linkage is a proximate end, and the second end of the linkage is a distal end; a first portion of the linkage extends between the clevis and the first end, and includes a clevis base, distally extending clevis prongs, a clevis cavity defined between the clevis prongs, and a clevis cavity apex at a proximate end of the clevis cavity; and a second portion of the linkage extends between the clevis and the second end, and includes a clevis tang; and the motion limiter engages the clevis cavity apex to limit rotation of the clevis tang within the clevis cavity; characterized in that, the motion limiter comprises a block, the block including a first opening; and the block is configured for sliding over the prongs so that the prongs pass through the first opening and the block engages the clevis cavity apex. the first end is configured for connecting to one of a strut of a ram air turbine, RAT, and an enclosure door, and the second end being is configured for connecting with another of the strut and the door; and the motion limiter limits rotation between the first end of the linkage and the second end of the linkage; wherein: the first end of the linkage is a proximate end, and the second end of the linkage is a distal end; a first portion of the linkage extends between the clevis and the first end, and includes a clevis base, distally extending clevis prongs, a clevis cavity defined between the clevis prongs, and a clevis cavity apex at a proximate end of the clevis cavity; and a second portion of the linkage extends between the clevis and the second end, and includes a clevis tang; and the motion limiter engages the clevis cavity apex to limit rotation of the clevis tang within the clevis cavity; characterized in that, the motion limiter comprises a block, the block including a first opening; and the block is configured for sliding over the prongs so that the prongs pass through the first opening and the block engages the clevis cavity apex. the first end of the linkage is a proximate end, and the second end of the linkage is a distal end; a first portion of the linkage extends between the clevis and the first end, and includes a clevis base, distally extending clevis prongs, a clevis cavity defined between the clevis prongs, and a clevis cavity apex at a proximate end of the clevis cavity; and a second portion of the linkage extends between the clevis and the second end, and includes a clevis tang; and the motion limiter engages the clevis cavity apex to limit rotation of the clevis tang within the clevis cavity; characterized in that, the motion limiter comprises a block, the block including a first opening; and the block is configured for sliding over the prongs so that the prongs pass through the first opening and the block engages the clevis cavity apex.