Is AFTTP 3-4.21V1 current?

AFTTP 3-4.21V1 is listed as current in the AF e-Publishing catalog (publication date 2022-02-09).

Where do I download the official AFTTP 3-4.21V1?

The official copy is published on AF e-Publishing (https://www.e-publishing.af.mil).

Home / Air Force / AFTTP / AFTTP 3-4.21V1

AFTTP 3-4.21V1 — Aircraft Maintenance

AFTTP 3-4.21V1 is listed as current Current
in the AF e-Publishing catalog as of our last index refresh (2026-07-11).

Branch	U.S. Air Force
Series	AFTTP
Publication date	2022-02-09 (4.4 years ago)
Status	Current
Proponent / OPR	LEMAY CENTER
Source of record	AF e-Publishing

Official document (AF e-Publishing)

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Get an email if AFTTP 3-4.21V1 is revised, superseded, or rescinded.

Nearby in the AFTTP series

AFTTP 3-4.13V1 — Air Mobility Liaison Officer Current
AFTTP 3-4.13V2 — Contingency Airfield Operations Current
AFTTP 3-4.15 — AFTTP 3-4.15 Not in the current catalog
AFTTP 3-4.21 Volume 2 — AFTTP 3-4.21 Volume 2 Not in the current catalog
AFTTP 3-42.2 — Health Service Support Casualty Prevention for Expeditionary Operations Current

This is an unofficial index built from the public catalog. The controlling copy is always the one on AF e-Publishing — verify there before citing AFTTP 3-4.21V1 in an official product.