Responsibility for Part 91 Letters of Authorization (LOA), Certificates of Waiver (CoW), and Letters of Deviation Authority (LODA)
FAA Order 8900.1 Flight Standards Information Management System (FSIMS) are moving...
FSIMS is undergoing a phased decommissioning and is expected to be completely retired no later than September 2022.

The FAA Order 8900.1 Flight Standards Information Management System (FSIMS) document type is currently accessible on the Dynamic Regulatory System (DRS) which will replace FSIMS.

All 8900.1s are located in the Dynamic Regulatory System (DRS) at drs.faa.gov