# Airworthiness Directives; BRP-Rotax GmbH & Co KG (Formerly BRP-Powertrain GMBH & CO KG and Bombardier-Rotax GmbH) Engines and Various Aircraft

**Action Urgency Score:** 30/100

| Field | Value |
|---|---|
| Agency | Transportation Department; Federal Aviation Administration |
| Type | Final rule |
| Action | Final rule; request for comments. |
| Published | 2026-08-13 |
| Effective | 2026-08-28 |
| Comments close | 2026-09-28 |
| Significant | No |
| CFR parts | 14 CFR 39 |
| Summary | The FAA is adopting a new airworthiness directive (AD) for all BRP-Rotax GmbH & Co KG (Rotax) Model 912 F2, 912 F3, 912 F4, 912 iSc2 Sport, 912 iSc3 Sport, 912 S2, 912 S3, 912 S4, 914 F2, 914 F3, and 914 F4 engines; and Model 912 A1, 912 A2, 912 A3, and 912 A4 engines included as part of the type-certificated aircraft type design for various aircraft. This AD was prompted by a report of an oil spray nozzle and certain screws that were not installed on the propeller gearbox. This AD requires a one-time visual inspection of the propeller gearbox to determine if the oil spray nozzle and certain s |
| Document number | 2026-16512 |

## Why this score
- Final rule.

Source: Federal Register API (Office of the Federal Register) (https://www.federalregister.gov/documents/2026/08/13/2026-16512/airworthiness-directives-brp-rotax-gmbh-and-co-kg-formerly-brp-powertrain-gmbh-and-co-kg-and). Last refreshed: 2026-11-04T21:40:49.974Z.
Data from the Federal Register API; the published Federal Register document is authoritative. Informational only, not legal advice.