Textron Aviation Mandatory Service Letter MTL-27-05: Flight Controls – Elevator Bellcrank Inspection Published date: Feb. 10, 2026 Effectivity: F90 S/Ns LA-2 thru LA-236; 200/B200 S/Ns BB-2 thru BB-2019; 200C/B200C S/Ns BL-1 thru BL-171; 200T/B200T S/Ns BT-1 thru BT-43; 200CT/B200CT SNs BN-1 thru BN-4; B200GT S/Ns BY-1 and on; B200CGT S/Ns BZ-1 and on; 300 S/Ns…
FAA Airworthiness Directive 2025-20-11: Rudder Control System Effective date: Oct. 17, 2025 Applicability: Model B200GT S/Ns BY-335, BY-356, BY-443, BY-453, BY-454; Model B200CGT S/Ns BZ-4 through BZ-9; Model B300 S/Ns FL-1173 through FL-1175 inclusive, FL-1177, FL-1181, FL-1184 through FL-1186 inclusive, FL-1189, FL-1193, FL-1197 through FL-1202 inclusive, FL-1210, FL-1211, FL-1213, FL-1218, FL-1220 through FL-1222 inclusive, FL-1225,…
Editor’s Note: This information was originally released by the King Air Academy in 2017 and received a large response from the receiving audience, many finding their retaining clip compromised. We thought it would be beneficial to publish it again for those who may not have seen the first transmission. It is paraphrased below. This is…
From Multi-Engine Turboprop Communiqué ME-TP-0028 ATA 00-Cabin and Cockpit Noise Levels The typical cockpit and cabin noise levels for certain model King Airs is as follows: 350i The average cabin noise 81 dBA, average cockpit noise is 85.5 dBA at FL250 KIAS, 75% engine torque and 1500 propeller rpm. B200/B200GT Four blade propeller, average cockpit…
Service Bulletin MTB-33-01R: Lights – Replacement of Entry and Ice Light Sockets Original Date: October 7, 2019 Revision 1 Date: July 28, 2020 Effectivity: Revision adds Model A200CT (C-12D), Serial Numbers BP-046 through BP-071. Reason: To provide a spares replacement for faulty entry and ice light sockets. Original Compliance – OPTIONAL: This service document can…
Service Bulletin MTB-34-03: Navigation – TDR-94D ATC Transponder Strapping Change for King Air B300 and B300C Configured for 15,500 or Greater Max Takeoff Weight Date: July 14, 2020 Effectivity: Super King Air B300, Serial Numbers FL-381, FL-383 through FL-953, FL-955 through FL-1009, FL-1011 through FL1030: Only applicable to airplanes with a maximum takeoff weight of…
From Multi-Engine Prop Communiqué MT-TP-0020 Issued: June 2020 ATA 25 – AmSafe Crew Seat Belts Connector Web Slide Insert Aircraft equipped with AmSafe Crew Seat Belts AmSafe has issued Service Letter SL279213 to call attention to the belt connector half assembly tongue web slide where the web slide has been found to be cracked, damaged…
Service Letter MTL-34-01: Navigation – GPS-4000S Global Positioning System Software Update Issued: May 14, 2020 Effectivity: Beechcraft King Air 90 Series, serial numbers LJ-2151 through LJ-2173; Super King Air B200GT, serial numbers BY-324 through BY-379; Super King Air B300, serial numbers FL-1140 through FL-1222; and Super King Air B300/B300C, serial numbers FM-76 through FM-85 Reason: To correct…
From Multi-Engine Turboprop Communiqué ME-TP-0019 Issued: March 2020 ATA 5 – Flammable Fluid Carrying Hoses Replacement Requirement All Textron Aviation Engineering has approved the removal of the five-year requirement to replace the engine flammable fluid carrying hoses. This change has already taken place on the King Air 90, 200, B300 and 1900 Maintenance Manuals. Other…
Service Bulletin MTB-57-01: Wings – Inspect the Aft Upper and Lower Wing Bolts for Correct Washer and Replace if Needed Date: March 5, 2020 Effectivity: King Air 90 (applicable variants within defined LJ serial number range), LJ-2055 through LJ-2129; Super King Air 200/B200, serial numbers BB-2019 through BB-2021; Super King Air 200C/B200C, serial number BL-171;…