TY  - BOOK
TI  - Private pilot workbook
U1  - 629.1325217 
PY  - 1990///]
CY  - [place of publication not indicated]
PB  - [Publisher not indicated], 
KW  - Aeronautics--study and teaching
KW  - Airplanes--Piloting
KW  - Navigation (Aeronautics)
ER  -