Ship Observer - RESPONSIBILITIES OF THIRD OFFICER The 3rd mate is often the ship's safety officer. A third mate (3/M) or third officer is a licensed member of the deck department of
![File:US Navy 100405-N-5539C-007 Third Mate Shari Lee, assigned to the Military Sealift Command dry cargo and ammunition ship USNS Amelia Earhart (T-AKE 6), explains the capabilities of the ship's bridge.jpg - Wikimedia File:US Navy 100405-N-5539C-007 Third Mate Shari Lee, assigned to the Military Sealift Command dry cargo and ammunition ship USNS Amelia Earhart (T-AKE 6), explains the capabilities of the ship's bridge.jpg - Wikimedia](https://upload.wikimedia.org/wikipedia/commons/2/26/US_Navy_100405-N-5539C-007_Third_Mate_Shari_Lee%2C_assigned_to_the_Military_Sealift_Command_dry_cargo_and_ammunition_ship_USNS_Amelia_Earhart_%28T-AKE_6%29%2C_explains_the_capabilities_of_the_ship%27s_bridge.jpg)
File:US Navy 100405-N-5539C-007 Third Mate Shari Lee, assigned to the Military Sealift Command dry cargo and ammunition ship USNS Amelia Earhart (T-AKE 6), explains the capabilities of the ship's bridge.jpg - Wikimedia
![NOAA Commissioned Officers and Third Mate Carl VerPlanck of the Deck Department navigate NOAA Ship Rainier – NOAA Teacher at Sea Blog NOAA Commissioned Officers and Third Mate Carl VerPlanck of the Deck Department navigate NOAA Ship Rainier – NOAA Teacher at Sea Blog](https://i0.wp.com/noaateacheratsea.blog/wp-content/uploads/2013/06/noaa-commissioned-officers-and-third-mate-carl-verplanck-navigate-noaa-ship-rainier.jpg?ssl=1)
NOAA Commissioned Officers and Third Mate Carl VerPlanck of the Deck Department navigate NOAA Ship Rainier – NOAA Teacher at Sea Blog
![Coast Guard Academy Should Prepare Cadets for a Third Mate 'Credential' | Proceedings - September 2019 Vol. 145/9/1,399 Coast Guard Academy Should Prepare Cadets for a Third Mate 'Credential' | Proceedings - September 2019 Vol. 145/9/1,399](https://www.usni.org/sites/default/files/47958034332_49c86ca63a_o.jpg)
Coast Guard Academy Should Prepare Cadets for a Third Mate 'Credential' | Proceedings - September 2019 Vol. 145/9/1,399
![Military Sealift Command civil service mariner, David Prater, a third mate assigned to USS Mount Whitney (LCC 20), studies navigational charts while on watch, on the ship's bridge. Mount Whitney is home-ported Military Sealift Command civil service mariner, David Prater, a third mate assigned to USS Mount Whitney (LCC 20), studies navigational charts while on watch, on the ship's bridge. Mount Whitney is home-ported](https://c8.alamy.com/comp/HG0215/military-sealift-command-civil-service-mariner-david-prater-a-third-HG0215.jpg)
Military Sealift Command civil service mariner, David Prater, a third mate assigned to USS Mount Whitney (LCC 20), studies navigational charts while on watch, on the ship's bridge. Mount Whitney is home-ported
![Civilian contractor Jonathan Guidry, the third mate - NARA & DVIDS Public Domain Archive Public Domain Search Civilian contractor Jonathan Guidry, the third mate - NARA & DVIDS Public Domain Archive Public Domain Search](https://cdn2.picryl.com/photo/2016/03/03/civilian-contractor-jonathan-guidry-the-third-mate-775990-1600.jpg)