# Special Conditions: ATR-GIE Avions de Transport Régional Model ATR42-500 and ATR72-212A Airplanes; Electronic System Security Protection From Unauthorized Internal Access

**Action Urgency Score:** 30/100

| Field | Value |
|---|---|
| Agency | Transportation Department; Federal Aviation Administration |
| Type | Final rule |
| Action | Final special conditions; request for comments. |
| Published | 2026-08-07 |
| Effective | 2026-08-07 |
| Comments close | 2026-09-21 |
| Significant | No |
| CFR parts | 14 CFR 25 |
| Summary | These special conditions are issued for the ATR-GIE Avions de Transport R[eacute]gional (ATR) Model ATR42-500 and ATR72-212A airplanes. These airplanes will have a novel or unusual design feature when compared to the state of technology envisioned in the airworthiness standards for transport-category airplanes. This design feature is the installation of a digital system that contains a wireless and hardwired network with hosted application functionality that allows access, from sources internal to the airplane, to the airplane's internal electronic components. The applicable airworthiness regu |
| Document number | 2026-16129 |

## Why this score
- Final rule.

Source: Federal Register API (Office of the Federal Register) (https://www.federalregister.gov/documents/2026/08/07/2026-16129/special-conditions-atr-gie-avions-de-transport-rgional-model-atr42-500-and-atr72-212a-airplanes). Last refreshed: 2026-11-04T09:17:43.641Z.
Data from the Federal Register API; the published Federal Register document is authoritative. Informational only, not legal advice.