Torthaí cuardaigh - Ministry of Defence
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1
Royal air force manual flying volume A the principles of flight /
Foilsithe / Cruthaithe 1971“…MInistry of Defence…”
LEABHAR -
2
Royal air force manual flying vol.- D (aircraft instruments and instrument systems) /
Foilsithe / Cruthaithe 1969“…Ministry of Defence…”
LEABHAR