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UNK
- Usado para
- unknown or undetermined
- Fonte1
- INTERNATIONAL CIVIL AVIATION ORGANIZATION. Commercial Aviation Safety Team. Common Taxonomy Team. Aviation common taxonomy official site. Montreal, 2007. Disponível em: http://www.intlaviationstandards.org/. Acesso em: 13 set. 2010.
- Nota adicional1
- Insufficient information exists to categorize the occurrence.
- Português
- desconhecido ou indeterminado