# AC 60-25E: Reference Materials and Subject Matter Knowledge Codes for Airman Knowledge Testing

- Type: Advisory circular (guidance, not mandatory unless a rule or AD requires it)
- Status: Historical
- Approved: June 7, 2004
- Last reviewed: October 9, 2024
- This change: AFS skipped issuing this AC and issued "F" instead.
- Family: AC 60-25
- Cancels: [AC 60-25D](https://openairdocs.org/ac/60-25D)
- Cancelled by: [AC 60-25F](https://openairdocs.org/ac/60-25)
- 14 CFR parts: 1, 21, 23, 25, 27, 39, 43, 45, 61, 63, 65, 71, 91, 97, 105, 119, 121, 125, 135, 183, 33, 5
- 14 CFR sections: [21.197](https://www.ecfr.gov/current/title-14/section-21.197), [21.179](https://www.ecfr.gov/current/title-14/section-21.179), [23.29](https://www.ecfr.gov/current/title-14/section-23.29), [23.69](https://www.ecfr.gov/current/title-14/section-23.69), [25.1001](https://www.ecfr.gov/current/title-14/section-25.1001), [39.1](https://www.ecfr.gov/current/title-14/section-39.1), [39.3](https://www.ecfr.gov/current/title-14/section-39.3), [43.9](https://www.ecfr.gov/current/title-14/section-43.9), [43.11](https://www.ecfr.gov/current/title-14/section-43.11), [65.1](https://www.ecfr.gov/current/title-14/section-65.1), [65.3](https://www.ecfr.gov/current/title-14/section-65.3), [91.417](https://www.ecfr.gov/current/title-14/section-91.417), [91.409](https://www.ecfr.gov/current/title-14/section-91.409), [91.411](https://www.ecfr.gov/current/title-14/section-91.411), [43.3](https://www.ecfr.gov/current/title-14/section-43.3), [43.15](https://www.ecfr.gov/current/title-14/section-43.15), [43.7](https://www.ecfr.gov/current/title-14/section-43.7), [43.13](https://www.ecfr.gov/current/title-14/section-43.13), [23.1543](https://www.ecfr.gov/current/title-14/section-23.1543), [23.1545](https://www.ecfr.gov/current/title-14/section-23.1545), [23.1557](https://www.ecfr.gov/current/title-14/section-23.1557), [65.87](https://www.ecfr.gov/current/title-14/section-65.87), [65.81](https://www.ecfr.gov/current/title-14/section-65.81), [65.95](https://www.ecfr.gov/current/title-14/section-65.95), [23.853](https://www.ecfr.gov/current/title-14/section-23.853), [23.677](https://www.ecfr.gov/current/title-14/section-23.677), [23.1327](https://www.ecfr.gov/current/title-14/section-23.1327), [23.1325](https://www.ecfr.gov/current/title-14/section-23.1325), [23.1337](https://www.ecfr.gov/current/title-14/section-23.1337), [23.1323](https://www.ecfr.gov/current/title-14/section-23.1323), [23.1357](https://www.ecfr.gov/current/title-14/section-23.1357), [91.207](https://www.ecfr.gov/current/title-14/section-91.207), [23.1001](https://www.ecfr.gov/current/title-14/section-23.1001), [23.951](https://www.ecfr.gov/current/title-14/section-23.951), [23.903](https://www.ecfr.gov/current/title-14/section-23.903), [23.1013](https://www.ecfr.gov/current/title-14/section-23.1013), [23.995](https://www.ecfr.gov/current/title-14/section-23.995), [23.1189](https://www.ecfr.gov/current/title-14/section-23.1189), [23.955](https://www.ecfr.gov/current/title-14/section-23.955), [25.1557](https://www.ecfr.gov/current/title-14/section-25.1557), [33.4](https://www.ecfr.gov/current/title-14/section-33.4), [25.1351](https://www.ecfr.gov/current/title-14/section-25.1351), [33.71](https://www.ecfr.gov/current/title-14/section-33.71)
- Pages: 1
- PDF: https://openairdocs.org/files/sha256/d8/4b/d84b9abe6c950bdb13af3cf4adb7fb73d1092ffaf5562aa8a8e82493d8ecd3ff
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID142409562320241009224610.0001
- DRS record last changed: November 21, 2025
- Page: https://openairdocs.org/ac/60-25E

## Versions

- [AC 60-25F](https://openairdocs.org/ac/60-25) (Historical), approved Jun 8, 2004, 50 pages. Canceled by Memo signed by Robert C. Carty and Derek Honda; dated 3/2/2021.
- [AC 60-25E](https://openairdocs.org/ac/60-25E) (Historical), approved Jun 7, 2004, 1 page. AFS skipped issuing this AC and issued "F" instead.
- [AC 60-25D](https://openairdocs.org/ac/60-25D) (Historical), approved Jun 9, 2000, 44 pages

## Text

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

### Page 1

**THE ORIGINAL FILE FOR THIS SECTION/ENTRY IS MISSING**

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