N9994Z Grumman AF-2S Guardian Pima Air & Space Museum Tucson - Pima Air and Space Museum, USA - Arizona Peter Davis - 15/10/2014
N9994Z Grumman AF-2S Guardian Aero Union Corporation Tucson - Pima Air and Space Museum, USA - Arizona Roger Richards - 18/09/2006
N9994Z Grumman AF-2S Guardian Aero Union Corporation Chico - Municipal (CIC / KCIC), USA - California Dave Welch - 08/1975
N9994Z Grumman AF-2S Guardian Pima Air & Space Museum Tucson - Pima Air and Space Museum, USA - Arizona Dave Mangham - 08/10/1996
N9994Z Grumman AF-2S Guardian Pima Air & Space Museum Tucson - Pima Air and Space Museum, USA - Arizona Keith Sowter - 02/2004
N9994Z Grumman AF-2S Guardian Pima Air & Space Museum Tucson - Pima Air and Space Museum, USA - Arizona Allan Mounce - 07/10/2004
