| Designation | MIL-HDBK-221 |
| Status | Active |
| Last Update | 2021-08-03 |
| Last Document Update | 2014-04-22 |
| Publisher | Defense Standardization Program Office |
| FSG-02 |
| FSC-MISC |
| Document Category |
| Department of Defense Handbook |
| Version | Date | Distribution Statement | Access | Pages |
|---|---|---|---|---|
| Notice 1 - Validation | 2014-04-22 | A | Public | 1 |
| Change Notice 1 | 1995-12-27 | A | Public | 3 |
| Base Document | 1965-05-03 | A | Public | 241 |
| Service | Organization | Code |
|---|---|---|
| Lead Standardization Activity | Executive Agent for the Defense Standardization Program | SO |
| Preparing Activity | Naval Air Systems Command | AS |
| Army | Combat Capabilities Development Command, Aviation and Missile Center | AV |
| Navy | Naval Air Systems Command | AS |