Ottoman fleet organisation during the Russo-Turkish War (1877–1878)

Thiolu
 * İşkodra, Böğürtlen
 * Rusçuk
 * Hizber, Hayreddin, Aziziye, Seyyar, Sofya, Islahat, Niş, Şehbaz-i Bahri, Vidin
 * Tutrakan
 * Şevket Nüma
 * Silistre
 * Semendire, Feth-ül Islam, Arkadi, Akka, Kılıç Ali's list includes fleet organisations of the Ottoman Navy during the Russo-Ottoman War of 1877–1878.

Dispositions in 1877
In 1877, the naval ships of the Ottoman Navy were disposed as follows:

Mediterranean Fleet
 * 1st Fleet (Volos)
 * Mahmûdiye, Asar-i Şevket, Bursa, Resmo
 * 2nd Fleet (Crete)
 * Azîziye, Mukaddeme-i Hayır, Iclaliye, Libnan, Muzaffer, Edirne
 * 3rd Fleet (Preveza)
 * Orhâniye, Muîn-i Zafer, Asar-i Tevfik, Sinop

Bosporus Fleet
 * Mesudiye, Osmaniye, Feth-i Bülend, Sürur, İzzeddin, Kandiye, Talia, Istanbul

Constantinople
 * Avnillah, Necm-i Şevket, Selimiye, Hüdâvendigâr

Guard vessels
 * Fethiye (Büyükdere), Şadiye (Golden Horn), Mansûre (Smyrna)

Under repair at Tersâne-i Âmire
 * Tahir-i Bahri, Peyk-i Şevket, Kosova, Peyk-i Zafer, Ertuğrul, Hizber, Kandiye, Akadiye, Eser-i Nusret, İsmail, İskenderiye

Fleet organisation in March 1877
In March 1877, the Ottoman Navy was structured as follows:

Black Sea Fleet (Ferik Bozcaadalı Hasan Hüsnü Pasha)
 * Black Sea Ironclad Squadron (Liva Mustafa Pasha)
 * Âsâr-ı Tevfik, Orhaniye, Âsâr-ı Şevket, Necm-i Şevket, Iclâliye, Feth-i Bülend, Muin-i Zafer, Avnillah
 * Black Sea Wooden Hulled Squadron (Liva Ahmed Pasha)
 * Hüdavendigâr, OTTOMAN FRIGATE Mubir-i Sürur, Sinop, Muzaffer, Izmir, Edirne, Asır, Ismail, OTTOMAN FRIGATE Mecidiye

Mediterranean Fleet (Ferik Giritli Hüseyin Pasha)
 * Mediterranean Ironclad Squadron (Milalay Faik Bey)
 * Mesudiye, Aziziye, Osmaniye, Mahmudiye, Mukaddeme-i Hayır
 * Mediterranean Wooden Hulled Squadron (Liva Hasan Pasha)
 * Selimiye, Mansure, Utarit, Eser-i Cedîd, Sehir, OTTOMAN FRIGATE Taif, Fevaid, Talia

Bosporus Squadron
 * Fethiye, Izzeddin, Kandiye, Hanya, Medar-i Zafer, Âsâr-ı Nusret

Danube Squadron (Ferik Mehmet Arif Pasha)
 * Lütf-ü Celîl, Hıfz-ür Rahman, Hizber, Seyfi, Semendire, Feth-ül Islam, Böğürtlen, İşkodra, Podgoriçe, Akka, Varna, Şevket Nüma, Sultaniye, Mürvet-i Nusret, Mesir-i Bahri, Feyz-i Bahri, Serafeddin, Medar-i Tevfik, Kayseriye, Batum, Selânik, Mersin, Lütfiye, Pursut, Canik, Kılıç Ali

Ottoman Danube Steamship Company (İdare-i Nehriye)
 * Hüseyin, Nüzhet, Arkadi, Islahat, Rusçuk, Aziziye, Seyyar, Lom, Vidin, Niş, Ziştovi, Sofya, Seyyar

Danube Squadron
In 1877, Danube Squadron of the Ottoman Navy was disposed as follows:

April 27, 1877
 * Vidin
 * Varna, Ziştovi
 * Lom
 * Rusçuk
 * Rahova (present day: Oryahovo)
 * Podgoriçe
 * Niğbolu (present day: Nikopol)
 * İşkodra, Böğürtlen
 * Rusçuk (present day: Ruse)
 * Aziziye, Seyyar, Sofya, Islahat, Lom, Vidin, Niş
 * Tutrakan
 * Hizber, Şevket Nüma, Semendire, Arkadi
 * Silistre (present day: Silistra)
 * Kılıç Ali, Akka, Nüzhetiye, Şehbaz-i Bahri

July 10, 1877
 * Vidin
 * Varna, Ziştovi
 * Rahova
 * Podgoriçe
 * Niğb'