- Certificate number
- HC4R227M
- Designator
- HC4R
- Name on the FAA list
- APPLIED TECHNICAL SERVICES, INC
- Address
- 1049 TRIAD COURT
MARIETTA, GA 30062 - Phone
- (770) 423-1400
- Accountable manager
- PATIENCE, BRIAN
(770) 423-1400 - Liaison
- BRIAN PATIENCE
bpatience@atslab.com - Bilateral agreements
- EASA
- On the FAA list
- On the list of October 26, 2026; listed since October 26, 2026 or earlier (OpenAirDocs’ first copy)
- Difficulty reports filed
- 0
From the FAA’s Find a Facility dashboard. The FAA writes names in capitals; the mixed case here is OpenAirDocs’ . The dashboard has no certificate dates, and nothing on it shows whether a certificate is in good standing: confirm with the station or its FAA office.
On this page
Ratings
What the FAA certificated the station to work on (14 CFR 145.59 and 145.61). A limited rating covers only the makes and models in the station’s operations specifications, which the FAA doesn’t publish.
| Rating | Class | What it covers |
|---|---|---|
| Powerplant | Limited | Only the makes and models in its operations specifications |
| Accessory | Limited | Only the makes and models in its operations specifications |
| Limited | Nondestructive testing | Nondestructive inspection, testing and processing |
Service difficulty reports · 0
No service difficulty report in this release was filed under HC4R