Na1 Kansai Chiharurar - K93n

However, the phrase "chiharurar" doesn't have a direct, standard definition in aviation or geography. It could be a specific brand name, a local term, or perhaps a misspelling of a Japanese location or person.

If original text was:
「K-9 なんか関西チハルラー」 (K-9 nanka Kansai Chiharu rā – "K-9 and such, Kansai Chiharu la") – weird but possible in manga dialogue. k93n na1 kansai chiharurar

The Geographic and Cultural Link - Kansai Chiharural

• If you can provide more context (author names, full title, journal, or where you saw this), I’ll be happy to help you find or interpret the paper. However, the phrase " chiharurar " doesn't have