- Certificate number
- IW4R273M
- Designator
- IW4R
- Name on the FAA list
- CHALLENGE ENGINEERING & TESTING
- Address
- 4234 HALLS MILL ROAD
MOBILE, AL 36693 - Accountable manager
- BENEFIELD, THOMAS
- Liaison
- WIGGINS, DAVID C.
(251) 666-1435 - 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 |
|---|---|---|
| Limited | Nondestructive testing | Nondestructive inspection, testing and processing |
Service difficulty reports · 0
No service difficulty report in this release was filed under IW4R