Tank the pirate then quickly crouch jump and down grab or use HiJump to get to the ledge.

Requires:

"canSuitlessMaridia"
"canUseIFrames"
{
  "enemyDamage": {
    "enemy": "Pink Space Pirate (standing)",
    "type": "contact",
    "hits": 1
  }
}
{
  "or": [
    "HiJump",
    "h_crouchJumpDownGrab",
    {
      "and": [
        "canTrickyJump",
        "canTrickySpringBallJump"
      ]
    }
  ]
}