Aviation English
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B类 是什么？

B类 A Minimum Equipment List category requiring rectification of an inoperative item within three consecutive calendar days, excluding the day of discovery.

Source: ICAO Doc 9432, FAA PCG

How is “B类” Used in Practice?

B类项目失效，须按最低设备清单三天内修复。

Certification Exam Relevance

ICAO Level 4ICAO Level 5ICAO Level 6EASA FCL.055

Who Needs to Know This Term?

  • Pilots
  • Air Traffic Controllers
  • Cabin Crew

Related Aviation English Terms

A类C类D类纠正措施

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Frequently Asked Questions

B类 是什么？

A Minimum Equipment List category requiring rectification of an inoperative item within three consecutive calendar days, excluding the day of discovery.

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