How Much Is Enough?

Removing the old autopilot will leave holes in the left panel that would be too ugly if we just covered them, so were going to cut new metal. Since were doing that, the shop has suggested we might consider replacing the backup analog airspeed indicator, attitude gyro, and altimeter with an integrated electronic standby instrument. Yeah, thats probably a good idea, especially right now, as the vacuum attitude indicator has been slow to come alive recently and is probably about to die.

Key Takeaways:

• Modern avionics rapidly become obsolete and expensive, contrasting with the long lifespan of older systems and posing a financial challenge for pilots.
• Pilots often justify expensive upgrades for safety or convenience, leading to a cascade of replacements for still-functional equipment, often influenced by shop suggestions.
• The author questions the long-term "payback" on significant avionics investments due to their high cost and short market life, urging manufacturers to prioritize product longevity and easier upgrade paths.

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