| 2022-03-23 | Rudder Control System | Feb 22, 2022 | Airframe (300)Only with: Equipped with a Garmin G1000 integrated avionics system installed per STC SA01535WI-D with GSA 9000 yaw servo software version 2.13 or earlier. |
| 2004-17-02 | Raytheon Aircraft Company 65, 90, 99, 100, 200, 300, and 1900 Series Airplanes | Oct 4, 2004 | Airframe (300)Certain serial numbers: 65-A90, B90, C90, C90A LJ-76; 65-A90, B90, C90, C90A LJ-114–LJ-1691; E90 LW-1–LW-347; F90 LA-2–LA-236; 99, 99A, A99A, B99, C99 U-1–U-239; 100, A100 B-1–B-94; … |
| 2002-23-13 | Pratt & Whitney Canada PT6A Series Turboprop Engines | Dec 31, 2002 | Engine (PT6A-60A)Only with: Engines with turbine exhaust ducts P/N 3012290, 3031988, 3032117, 3035784, 3035786, 3105890-01, 3112167-01, or 3111780-01 installed. |
| 98-04-24 | Raytheon Aircraft Company Models E55, E55A, 58, 58A, 58P, 58PA, 58TC, 58TCA Airplanes… | Mar 13, 1998 | Airframe (300) |
| 97-25-03 | Raytheon Aircraft Company 65, 90, 99, 100, 200, 300, 1900, and 2000 Series Airplanes | Jan 21, 1998 | Airframe (300) |