Air waybill & Cargo-IMP guides
Practical, accurate guides for freight forwarders — from creating your first air waybill to diagnosing FNA rejections fast. Every guide links to the free FWB validator so you can act on what you learn immediately.
Getting started
- How to create an air waybill (MAWB) — step by step
A practical guide to filling a master air waybill and the FWB Cargo-IMP message airlines accept first time, including the mod-7 check-digit step.
- MAWB vs HAWB — what is the difference?
Master vs house air waybills explained for forwarders, with a consolidation example and the FWB/FHL Cargo-IMP message relationship.
- Neutral AWB explained
What a neutral air waybill is, when freight forwarders use it, how the prefix and serial are structured, and how to verify the check digit.
Fixing FNA rejections
- Air waybill rejected: invalid check digit (FNA)
Why airlines reject an FWB for a wrong AWB check digit and how to fix it with the mod-7 rule. Includes the worked example 020-12345675.
- Air waybill rejected: missing consignee (FNA)
A missing or malformed consignee block is a common FNA reason. Here is what the CNE block must contain and how to fix the rejection fast.
Have an FWB message ready to check? Paste it into the validator and get a plain-English explanation of every error in seconds.
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