6 ms·
I'm more a fan of PFD - Personal Flying Devices http://www.aerospaceweb.org/question/design/q0093.shtml http://www.aerospaceweb.org/question/design/q0093.shtml
by petergroverman 18y ago
I'm more a fan of PFD - Personal Flying Devices http://www.aerospaceweb.org/question/design/q0093.shtml http://www.aerospaceweb.org/question/design/q0093.shtml