4Y
4Y stands for:
- International Civil Aviation Organization (ITU prefix), country expert , see ITU prefix # prefix assigned to international organizations
- "Insulation made of polyamide (nylon)", type code for cables, see type code for cables #Cables according to German standards
Airlines:
- Airbus Transport International (IATA code), France
- Blue Line (IATA code), former French airline
- Flight Alaska (IATA code), United States
Passenger cars:
- Delaugère & Clayette Type 4Y , see Delaugère & Clayette # 1919–1922
- Chrysler 4Y-M , see Imperial (car brand) # model years 1974–1975
See also:
