According to Honeywell Installation Bulletin 385, KC-192 Part Number 065-0042-15 a direct replacement for any of the following part numbers:
| 065-0042-00 | 065-0042-05 |
| 065-0042-01 | 065-0042-06 |
| 065-0042-02 | 065-0042-07 |
| 065-0042-03 | 065-0042-09 |
| 065-0042-04 | 065-0042-12 |
The adapter modules used in the aircraft configuration have not been changed and function exactly the same exactly the same with the -15 computers. Click Here to download the Installation Bulletin.
When using the updated KC-192 -15 computer, check the mod status of the KI-256. If the KI-256 does not have Mod 11, then you may encounter alignment issues with the updated KC-192. Therefore, it is highly suggested (and necessary in some cases) to incorporate Mod 11 into the KI-256. KI-256 Service Bulletin 11 updates a PC board in the indicator that reduces loading effects to the pitch and roll outputs. The cost to incorporate Service Bulletin into the KI-256 is approximately $1000.