# Singapore Airlines Cargo (SQ)

> Combination carrier — bellyhold capacity under passenger flights, often with freighters alongside.

## Key facts

- IATA designator: SQ
- ICAO code: SIA
- AWB prefix: 618
- Primary cargo hub: SIN — Singapore Changi Airport
- Country: Singapore
- Service model: combination

## Air waybills

A master air waybill issued by Singapore Airlines Cargo begins with the prefix 618, followed by an 8-digit serial whose last digit is the first seven digits modulo 7. Verify the prefix against the airline’s own documentation before issuing a waybill against it.

Source: https://airscanner.co/airlines/sq