| 523-0800733 | Handling of Glass Vacuum Capacitors | SIL | 204C-1 SIL 15-60 | 1/0 | 1960-10-21 |
| 523-0021006 | 17L-7 VHF Aircraft Transmitter | IM | | 1/2 | 1960-11-15 |
| 523-0800737 | Replacement of Filament Cables | SIL | 205J-1 SIL 24-60 | 1/0 | 1960-11-30 |
| 520-5872000 | 331C-4, 331C-4A, 331C-4E, or 331C-4F Bearing-Distance-Heading Indicator | IB | | 2/0 | 1961-03-01 |
| 523-0800732 | A: Cleaning of Air Filters and Tubes B: Inspection of High Voltage Connections and Wiring | SIL | 204C-1 SIL 12-60 | 1/2 | 1961-04-03 |
| 523-0798847 | Price Policy on Modification Kits for ADF Antenna 137A-2 | SIL | 137A-2 SIL 6-61 | 1/0 | 1961-05-02 |
| 520-5902000 | AP-102 Automatic Flight Control System with Steering Computer 562A-7 | IM | | 1/3 | 1961-06-01 |