Preheat oven to 350°.
Arrange tortilla chips in a single layer on 2 baking sheets.
Combine mayonnaise, chile, and juice, stirring with a whisk.
Combine crab and next 6 ingredients (through celery) in a medium bowl. Add mayonnaise mixture, stirring until well combined. Spoon about 1 tablespoon crab mixture onto each chip. Bake at 350° for 5 minutes or until thoroughly heated; top the chips evenly with avocado.