Engine 2014: Engineering Safety

1. A annually by the owner and a letter submitted six months prior to expiration
2. B only once every five years and a letter submitted six months prior to expiration
3. C and the entire plan resubmitted for approval once every five years, six months prior to expiration
4. D annually by the owner and submit a letter to the Coast Guard within one month of the anniversary date of the plan approval

Tip: press A-D to answer