The ''Ahmad Yani'' class of six general-purpose
frigate
A frigate () is a type of warship. In different eras, the roles and capabilities of ships classified as frigates have varied.
The name frigate in the 17th to early 18th centuries was given to any full-rigged ship built for speed and maneuvera ...
s were acquired by the
Indonesian Navy
The Indonesian Navy (, TNI-AL) is the Navy, naval branch of the Indonesian National Armed Forces. It was founded on 10 September 1945 and has a role to patrol Indonesia's lengthy coastline, to enforce and patrol the territorial waters and Exclus ...
in the 1980s. They were originally built in the Netherlands for the
Royal Netherlands Navy
The Royal Netherlands Navy (, ) is the Navy, maritime service branch of the Netherlands Armed Forces. It traces its history to 8 January 1488, making it the List of navies, third-oldest navy in the world.
During the 17th and early 18th centurie ...
as the which were licence-built versions of the British .
Operational history
In 1992,
KRI ''Ki Hajar Dewantara'', along with KRI ''Yos Sudarso'' and KRI ''Teluk Banten'' intercepted the Portuguese ship ''Lusitania Expresso'' in
East Timor
Timor-Leste, also known as East Timor, officially the Democratic Republic of Timor-Leste, is a country in Southeast Asia. It comprises the eastern half of the island of Timor, the coastal exclave of Oecusse in the island's northwest, and ...
. Col. Widodo, deputy assistant of the Indonesian Navy´s Eastern Fleet, told Radio Republik Indonesia from aboard the Indonesian warship KRI ''Yos Sudarso'' that the ferry entered Indonesian waters at 5:28 a.m. local time on March 11, 1992. At 6:07, the ''Lusitania Expresso'' had traveled into Indonesian territory and Captain Luis Dos Santos (''Lusitania Expresso''s captain) was ordered to leave immediately. Col. Widodo said the Portuguese ship captain obeyed the order and turned his ship around and headed back to sea.
Ships
Modernisation
All six frigates have had their
steam turbine
A steam turbine or steam turbine engine is a machine or heat engine that extracts thermal energy from pressurized steam and uses it to do mechanical work utilising a rotating output shaft. Its modern manifestation was invented by Sir Charles Par ...
power plants replaced with
marine diesel engines
Marine is an adjective meaning of or pertaining to the sea or ocean.
Marine or marines may refer to:
Ocean
* Maritime (disambiguation)
* Marine art
* Marine biology
* Marine current power
* Marine debris
* Marine energy
* Marine habitats
* ...
.
The frigates of the ''Ahmad Yani'' class are due to be replaced by the s (SIGMA PKR 10514); the first of which, ''Raden Eddy Martadinata'' (331), was commissioned on 7 April 2017.
See also
*
List of active Indonesian Navy ships
All the Indonesian Navy, Indonesia Navy (, TNI-AL) vessels are named with the prefix KRI ( or Naval Vessel of the Republic of Indonesia). Smaller sized boats with light armaments usually have the prefix KAL ( or Naval Vessel of the Indonesian Navy ...
*
Equipment of the Indonesian Navy
References
{{Indonesian Navy active ship classes
Frigates of the Indonesian Navy
Frigate classes