Mooney M20A — Service Bulletins

This Service Bulletin M20-344, issued by Mooney International Corporation, provides critical information regarding the landing gear operation, warning systems, and maintenance checks for all Mooney M20 series aircraft. The bulletin addresses recent incidents involving gear-up landings and emphasizes the importance of proper maintenance and operation of both manual and electric landing gear systems. It includes recommendations for familiarization with the landing gear operation, routine checks, and maintenance practices to prevent mishaps. The document serves as a guide for Mooney aircraft owners and maintenance personnel to ensure safety and reliability in landing gear operations.

• All Mooney M20 series aircraft are affected by this bulletin.
• Proper rigging and maintenance of the landing gear are crucial to prevent gear-up landings.
• Pilots should familiarize themselves with the landing gear operation and warning systems.
• Routine checks and maintenance should include lubrication and inspection of landing gear components.
• The GUMP checklist should be utilized during landing procedures.