| Form Number | Description | Date Revised | |
|---|---|---|---|
| 80-1185 | (148 Kb) | Maintenance Checklists | 5/09/2018 |
| 80-1246 | (151 Kb) | Maintenance Checklists | 2/04/2019 |
| 80-1225 | (140 Kb) | Maintenance Checklists | 9/02/2021 |
| 80-1269 | (152 Kb) | Maintenance Checklists | 9/02/2021 |
| 80-1294 | (146 Kb) | Maintenance Checklists | 6/16/2021 |
| 80-1336 | (158 Kb) | Maintenance Checklists | 6/16/2021 |
| 80-1376 | (156 Kb) | Maintenance Checklists | 3/07/2022 |
| 80-1360 | (154 Kb) | Maintenance Checklists | 4/22/2024 |
| 80-1405 | (150 Kb) | Maintenance Checklists | 8/15/2023 |
| 80-1414 | (151 Kb) | Maintenance Checklists | 9/08/2023 |
| 80-1427 | (147 Kb) | Maintenance Checklists | 12/07/2023 |
| 80-1446 | (177 Kb) | Maintenance Checklists | 5/30/2024 |
| 80-225 | (1772 Kb) | Master Cylinder Service (Expander Tube Brake) | 7/23/1997 |
| 80-887 | (224 Kb) | Matainance & Lubrication, Schedule and Specifications - HLT280 | |
| 80-314 | (2598 Kb) | Maxi-Brake Spring Brake Service | 7/23/1997 |
| 80-220 | (413 Kb) | Miscellaneous Chassis Parts | 7/23/1997 |
| 80-221 | (616 Kb) | Miscellaneous Chassis Parts | 7/23/1997 |
| 80-180 | (685 Kb) | Motorola Tachometer Service | 9/01/1976 |
| 80-675 | (96 Kb) | Multi-Wing Fan Pitch Setting Instructions | 4/30/2001 |
| 80-1452 | (8651 Kb) | NCH20 Technical Manual | 2/28/2025 |
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