Boeing 737 Family structural design balances weight, fatigue life, corrosion resistance, repairability, production cost, and the technology level of its generation.
Advantages
- Large global support ecosystem.
- Strong commonality across many short-haul airline fleets.
- Broad variant range from small-capacity to high-density missions.
Limitations
- Legacy ground-clearance constraints influence engine installation and systems design.
- Different generations have very different cockpit, engine, and operational details.