# Airworthiness Standards: Normal, Utility, Acrobatic, and Commuter Category Airplanes
> **Rule** · — · Published 2007-12-26 · 72 FR 72915
## Document
- **Document number:** 07-55522
- **Category:** other
- **Type:** Rule
- **Action:** —
- **Citation:** 72 FR 72915
- **Publication date:** 2007-12-26
## Source
- [Federal Register document](https://www.federalregister.gov/documents/2007/12/26/07-55522/airworthiness-standards-normal-utility-acrobatic-and-commuter-category-airplanes)
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