飛機設計壽命 (Aircraft Design Lifespan)
商用飛機的設計壽命通常為 20 至 30 年，或飛行約 50,000 至 75,000 飛行小時，具體取決於飛機型號和使用條件。
The design lifespan of commercial aircraft is typically 20 to 30 years, or around 50,000 to 75,000 flight hours, depending on the aircraft model and operating conditions.
影響飛機壽命的因素 (Factors Affecting Aircraft Lifespan)
• 飛行頻率與飛行時間 (Flight Frequency & Duration) – 高頻次的短程航班可能導致飛機結構更快疲勞。
Frequent short-haul flights may lead to faster structural fatigue.
• 維護與保養 (Maintenance & Upkeep) – 定期且嚴格的維護可以延長飛機的使用壽命。
Regular and strict maintenance can extend an aircraft’s service life.
• 技術升級 (Technological Upgrades) – 航空電子設備和引擎的升級可以提高飛機性能並延長其服役時間。
Upgrading avionics and engines can enhance aircraft performance and prolong service life.
飛機退役與拆解 (Aircraft Retirement & Disassembly)
當飛機達到其經濟壽命或不再符合運營需求時，通常會進行退役。
When an aircraft reaches the end of its economic lifespan or is no longer suitable for operation, it is typically retired. Retired aircraft may be stored in so-called “aircraft graveyards” or disassembled to recover valuable components and materials. These disassembly and recycling processes help reduce environmental impact and provide reusable resources for the aviation industry.