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Details and Image
Type
Model #.
Aircraft Maker / Name
Instrument Maker
Country
Construction
Date
Scale Length
Area of Use
Disk
Lyon Practical Air Navigation Computer
Generic Instrument
Unknown
U.S.A.
Plastic
1948
Dia. = 15.2 cm
Flight Management
Comment:
1) Used for calculating true airspeed and Altitude Correction using air temperature and pressure altitude 2) Second side has provision for graphical wind solutions
Image 1
Image 2
