---
kind: "unit"
title: "49"
title_heading: "Transportation"
key: "subtB/chVIII/part821"
level: "part"
label: "Part 821"
heading: "Rules of Practice in Air Safety Proceedings"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/49/subtB-chVIII-part821"
sections_count: 49
---

# Part 821 — Rules of Practice in Air Safety Proceedings

Title 49 C.F.R. — Transportation › Subtitle B — Other Regulations Relating to Transportation › Chapter VIII — National Transportation Safety Board

## Contents

- [Subpart A — General Provisions](/cfr/49/subtB-chVIII-part821-subpartA.md)
- [Subpart B — General Rules Applicable to Petitions for Review, Appeals to the Board, and Appeals From Law Judges Initial Decisions and Appealable Orders](/cfr/49/subtB-chVIII-part821-subpartB.md)
- [Subpart C — Special Rules Applicable to Proceedings Under 49 U.S.C. 44703](/cfr/49/subtB-chVIII-part821-subpartC.md)
- [Subpart D — Special Rules Applicable to Proceedings Under 49 U.S.C. 44709](/cfr/49/subtB-chVIII-part821-subpartD.md)
- [Subpart E — Law Judges](/cfr/49/subtB-chVIII-part821-subpartE.md)
- [Subpart F — Hearing](/cfr/49/subtB-chVIII-part821-subpartF.md)
- [Subpart G — Initial Decision](/cfr/49/subtB-chVIII-part821-subpartG.md)
- [Subpart H — Appeal From Initial Decision](/cfr/49/subtB-chVIII-part821-subpartH.md)
- [Subpart I — Special Rules Applicable to Proceedings Involving Emergency and Other Immediately Effective Orders](/cfr/49/subtB-chVIII-part821-subpartI.md)
- [Subpart J — Ex Parte Communications](/cfr/49/subtB-chVIII-part821-subpartJ.md)
- [Subpart K — Judicial Review of Board Orders](/cfr/49/subtB-chVIII-part821-subpartK.md)