Follow the steps to complete the UK RSSB RT3185 form online.

1. Click ‘Get Form’ button to obtain the form and open it in the editor.
2. Begin by filling in the general information in Part 1. This includes the date, time of the incident, name of the driver, and the name of the signal box you reported to. Ensure that all fields are completed accurately.
3. In Part 1, provide details about the train involved. Include the driver of the train number, the traction unit number, vehicle or cab number in use, and any relevant weather conditions at the incident location.
4. For Part 2, indicate whether TPWS activation occurred. Circle 'Yes' or 'No' based on whether you passed a block marker or signal at danger and provide relevant details if necessary.
5. In Part 3, report any ERTMS failures or irregularities. Select the relevant options, such as DMI failure or signal transfer, and offer any additional details in the provided space.
6. Proceed to Part 4 by ticking the appropriate box for irregular signal aspects. Supply specific details of any irregular sequences and indicate if the aspect or indication changed on approach.
7. In Part 5, provide details regarding AWS, TPWS, or TVM irregularities or failures. Circle the relevant elements, and describe any post-incident isolations.
8. For Part 6, outline details of the brake demand and where the brakes applied. Include your approaching speed and summarize the incident context.
9. Complete Part 7 by offering any additional details as a Driver. It is important to be thorough, using capital letters, and to continue on a separate sheet if necessary.
10. Finally, once all sections are completed, you can save changes, download, print, or share the form as required by your company's protocol.

Begin filling out the UK RSSB RT3185 form online to ensure timely and accurate reporting.