There may be other instances where this hatch is used. It is also possible that not every boat described above used this hatch. Please use the dimensions above and the photos below to verify which hatch is actually installed on your boat. Bomar 130

Known Usage:
• Catalina 27
• Catalina 30
• Catalina 320
• Catalina 34
• Catalina 36
• Catalina 42

Hatch:
• Outside of deck flange: 12-3/8" x 12-3/8" (about 305mm x 305mm)
• Outside of lid: 12-3/8" x 12-3/8" (about 305mm x 305mm)
• Cut out in the deck: 10" x 10" (about 253mm x 253mm)
• Cutout radius: 3/4" (about 19mm)
• Height off of deck: 2" (about 51mm)

Lens:
• Width - 10-1/8" (about 257mm)
• Height - 10-1/8" (about 257mm)
• Thickness - 3/16" (about 4.8mm)