CESSNA 210N — Airworthiness Directives

This document is an Airworthiness Directive (AD) issued by the Civil Aviation Safety Authority of Australia, specifically addressing the Cessna 210 series aircraft, including the T210L, T210M, T210N, and P210N models. The directive focuses on the operation and inspection of Slick Pressurized Magnetos model 6220 and 6224. It mandates a revision of the Aircraft Flight Manual (AFM) to include specific procedures for conducting magneto checks before takeoff. The directive outlines compliance requirements and background information regarding the necessity of these checks to ensure safe operation of the aircraft.

• Perform a magneto check at 1,700 RPM before takeoff.
• RPM drop should not exceed 150 RPM on either magneto.
• Differential RPM between magnetos should not exceed 50 RPM.
• Compliance is required within 100 hours TIS after April 20, 1989.
• Magnetos exceeding limits must be inspected and recorded in the maintenance release.