What is the plural form of aircraft?

Related questions

1. What is the plural of embryo?
2. Is the word Equipment singular or plural?
3. What is the plural of thrombus?
4. What is the plural form of passerby?
5. What's another word for ultimatum?
6. What is the plural of man of war?
7. What is the plural version of diagnosis?
8. Is equipments grammatically correct?
9. What is the plural form of focus?
10. What are plurals examples?

Tags

1. #collective
2. #involves
3. #singular
4. #aeroplane
5. #aircraft
6. #plural
7. #addition
8. #sheep
9. #jetliner
10. #words