Multi-Engine seaplane training in a Grumman Goose is offered in Alaska.
B-81LLC provides an award winning 1944 Goose, perhaps the most original example of a military JRF-5 Goose. Instruction is conducted by a nationally recognized Grumman instructor/ pilot and author Burke Mees.
For information see the website The Goose Hangar: Flight Instruction | MES Ratings in a Grumman Goose