Y | Y-axis (horizontal width of vehicle/structure) |
Y | Y-axis rate of change |
Y | out-of-plane velocity |
Y | pitch axis |
Y | precision navigation signal |
Y | yaw |
Y-T | yaw trim |
Y/R | yaw roll |
YAG | yttrium aluminum garnet |
YE | Deputy for Space Navigation Systems |
YL | Y-axis of Spacelab |
YO | Y-axis of orbiter |
YP | Y-axis of payload |
YP | yield point |
YS | Y-axis of solid rocket booster |
YS | yield strength |
YSC | yearly spares cost |
YT | Y-axis of external tank |
YT | station identification symbol |