# AC 00-31A: [Large AC] United States (U.S.) National Aviation Standard for the Very High Frequency Omnidirectional Radio Range (VOR)/Distance Measuring Equipment (DME)/Tactical Air Navigation (TACAN) Systems

- Type: Advisory circular (guidance, not mandatory unless a rule or AD requires it)
- Status: Current
- Approved: September 20, 1982
- Last reviewed: August 20, 2001
- Family: AC 00-31
- 14 CFR parts: Unknown Part
- Pages: 67
- PDF: https://openairdocs.org/files/sha256/a8/47/a847a720076beec1900bbbffa12fa857d64c130bce9ff1496100c31d60ed8e7b
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/9575F5C749A8B17F862569E0007769BB.0001
- DRS record last changed: November 22, 2025
- Page: https://openairdocs.org/ac/00-31

## Versions

- [AC 00-31A](https://openairdocs.org/ac/00-31) (Current), approved Sep 20, 1982, 67 pages

## Text

Each page's text from the PDF; open the PDF at a page with #page=N.

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From OpenAirDocs.org, an independent open copy of FAA and NTSB data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.