AWB Prefix Directory

421 AWB Prefix – S7 Airlines Cargo

AWB prefix 421 identifies S7 Airlines Cargo air waybills. Find the airline, country, AWB format, and related tracking resources.

AWB prefix: 421
Airline: S7 Airlines Cargo
Country: Russia
ICAO code: SBI

The three-digit IATA accounting prefix 421 is assigned to S7 Airlines Cargo for air waybill identification.

A standard air waybill contains the three-digit airline prefix followed by an eight-digit serial and check-digit sequence. Use the complete number when requesting tracking updates.

The prefix identifies the issuing airline. Interline or transferred cargo can still travel on flights operated by another airline.

421 air waybill format

A S7 Airlines Cargo air waybill starts with 421, followed by an eight-digit serial number, for example 421-12345678.

What the 421 prefix means

421 identifies S7 Airlines Cargo as the airline that issued the air waybill. Part of the journey can still be flown by another airline.

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421 Cargo Tracking – S7 Airlines Cargo AWB

Frequently asked questions

Which airline uses AWB prefix 421?

AWB prefix 421 is assigned to S7 Airlines Cargo.

How do I track a 421 air waybill?

Use the full number: 421, followed by the eight-digit serial number.