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Supp. 8 Ground Level Heliports has a Maximum Takeoff and Landing Gross weight of 11,000 pounds.
Supp. 9 Elevated Heliports has a Maximum Takeoff Gross Weight of 11,700 pounds and a Maximum Landing Gross Weight of 10,700 pounds.
Curiously, Supp. 8 is certified Day and Night while Supp. 9 is certified Day/Night for Takeoff but Day only for Landing.