Air-conditioning, Pressurization, Anti-icing and De-icing System Weight Correction Factor

Aircraft Type

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MIlitary Patrol, Bomb and Transport Aircraft

Subsonic with anti-icing

887

--

Subsonic without anti-icing

610

--

Supersonic without anti-icing

748

--

Fighters and Attack Aircraft

Low Subsonic with wing and tail anti-icing

212

0.538

Low Subsonic without anti-icing

109

0.538

High Subsonic and Supersonic

202

0.735

Note: Low subsonic aircraft are the aircraft with a design cruise Mach number lower than 0.4 whereas high subsonic aircraft have a design cruise Mach number higher than 0.5. For aircraft with a design cruise Mach number in between 0.4 to 0.5, the values of the factors shown in the table above might be interpolated.