Section (iv) for dual INS/IRS with 12 hourly upd - Manual of Standards Part 172—Air Traffic Services - (iv) for dual INS/IRS with 12 hourly updating (d = 27.7 NM)

Section (iv) for dual INS/IRS with 12 hourly upd - Manual of Standards Part 172—Air Traffic Services - (iv) for dual INS/IRS with 12 hourly updating (d = 27.7 NM) | Zoe