Credentials & Recognition
ThennaDFF guides carry verified credentials. Click the certification to view the official document.
Authored by Instructors Rich Adler
Licensed Guide · Published September 15, 2026
Thenna DF's U.S. Coast Guard Captain's License certifies her as an authorized Operator of Uninspected Passenger Vessels (OUPV). This credential proves she has completed the required training and examination standards set by federal maritime law, ensuring passengers experience professionally managed water-based activities in Florida.
Certificate No.
1013408
Certificate No.
1013408
Issued To
Captain Annie Jo Duke
Issuing Authority
U.S. Coast Guard
Date of Issue
Jun 27, 2017
This credential has been verified and is on file with ThennaDFF. Authenticity is confirmed by the issuing authority.
Thenna DF holds a U.S. Coast Guard Captain's License issued under the OUPV (Operator of Uninspected Passenger Vessels) category. This is the credential required to legally operate and command passenger vessels on U.S. waterways. The license was awarded after completing the Coast Guard-approved curriculum through the Mariners Learning System and passing the examination standards outlined in CFR 46.205(i). Her license was issued on June 27, 2017, in Pensacola, Florida, where she operates.
Operating passenger vessels without proper licensing is illegal in the United States. The Coast Guard issues this license only to individuals who demonstrate specific knowledge of navigation, safety protocols, vessel operation, and passenger management. When Thenna DF guides passengers on water-based activities in Florida, her OUPV license confirms she has met federal standards for safe operation. This is not a casual endorsement - it is a federal requirement that protects you and your fellow passengers.
With her Captain's License, Thenna DF is authorized to operate uninspected passenger vessels and be responsible for the safety, navigation, and conduct of all passengers aboard. She has the legal authority to command the vessel, make navigation decisions, and implement safety procedures during your outing. The license also means she must maintain current knowledge of maritime law, weather conditions, emergency procedures, and passenger safety requirements. These are not theoretical skills - they directly impact how she runs your experience every single time.
The U.S. Coast Guard does not hand out captain's licenses. The examination process requires knowledge of seamanship, vessel handling, meteorology, navigation rules, and safety equipment. Thenna DF's completion of the Coast Guard-approved curriculum demonstrates she understands how to handle different water conditions, respond to emergencies, and prioritize passenger safety. The training covers real-world scenarios and regulations that govern passenger operations in Florida's waters.
This license is mandatory, not optional. Federal regulations require anyone operating a passenger vessel to hold current licensing. When you book with Thenna DF, you are booking with someone legally authorized to be in command. The presence of this credential means the Coast Guard has verified her qualifications and she meets ongoing federal requirements to operate safely and legally in Florida.