Here are some photos I took of the Grumman G-21 Goose on display at the Yanks Air Museum in Chino, Calif. The JRF-2 was a run of only seven planes built for the US Coast Guard specially adapted to carry stretchers.
Grumman G-21 Goose
Yanks Air Museum, Chino 2018
Grumman G-21A #B-122
display marked as JRF-2