Not on Boeing, Lockheed, Douglas, Airbus and Bombardier. 8.4 MAX psi at altitude. I stand by my statement. I have only been teaching this for 20 years and flying these planes for 20 years...

Ron "20"

A&P/IA


1976 Cessna 150M - N820ST
St. Charles Regional Airport KSET

Fly Safe... Fly Often...


Super Bowl IV - LIV - LVII - LVIII CHAMPION Kansas City Chiefs!

2019 Stanley Cup Champion St. Louis BLUES!

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