ER (Extended Range)

For other uses, see ER (disambiguation).

The suffix ER stands for Extended Range, and is added for missiles and aircraft which possess extended travel capability beyond the original design.

Boeing Extended Range Aircraft

737 Family

• Boeing 737-700ER
• Boeing 737-900ER

747 Family

• Boeing 747-400ER

767 Family

• Boeing 767-200ER
• Boeing 767-300ER
• Boeing 767-400ER

777 Family

• Boeing 777-200ER
• Boeing 777-300ER

References

1. The Boeing Company