Shockbox TK1999/935SB - Generator Control Panel Test Box King Air

The Shockbox TK1999/935SB - Generator Control Panel Test Box is used on Beechcraft King Air aircraft to troubleshoot, adjust, and test the DC generation system and generator control panel relay. It is built to meet the specifications of the King Air Generator Control Panel Test Unit TK1999/935, as identified in Chapter 20-14-00 (Figure 206, Item 115) of the King Air Standard Practices Manual – Airframe, and is housed in a protective carrying case for everyday shop use.

This test box enables maintenance technicians to validate generator control logic, perform system checks after component replacement, and diagnose intermittent faults in the DC generation system. Although it is aimed primarily at King Air operators, the TK1999/935SB is also a valuable reference for other platforms with comparable generator control panel architectures.

Key Features

• Generator control panel test box for Beechcraft King Air aircraft.
• Built to the TK1999/935 generator control panel test unit specification referenced in the King Air maintenance documentation.
• Allows troubleshooting, adjustment, and functional testing of DC generation and control panel relays.
• Packaged in a durable case to protect the instrument during transport and storage.
• Reduces diagnostic time on generator system issues and confirms correct operation after maintenance.
• Ideal for King Air maintenance shops and other technical facilities dealing with similar DC generator control panels.