| 10/22/2020 | Alpha Systems' Angle of Attack (AOA) Sales Promotion |
| 10/22/2020 | Voice Alerting System Sales Promotion |
| 10/22/2020 | Rosemount Supplementary Ice Detection Sales Promotion |
| 10/22/2020 | Special 2-Bundle Sales Promotion - Voice Alerting System Kit & Rosemount Supplementary Ice Detection System |
| 10/22/2020 | Special 3-Bundle Sales Promotion - Voice Alerting System Kit, Rosemount Supplementary Ice Detection System & the Alpha Systems' Angle of Attack System |
| 10/14/2020 | Service Letter 111 | 084/00-004: NTSB Safety Alert No. 082 - Flight in Snow |
| 10/01/2020 | Service Letter 110 | 083/71-015: Honeywell Operating Information Letter (OIL) OI331-11R18 |
| 09/01/2020 | Service News 203 | 152/00-034: Winter Operations |
| 06/19/2020 | Service Letter 109 | 082/00-003: FAA SAIB NE-20-04: Engine Fuel - Jet Fuel Biocide Additive |
| 06/05/2020 | Service News 202 | 151/00-033: MHIA-APD Office Move |
