1849–1866: Admiral in the Turkish navy, with the title of Mushaver (consulting) Pasha. This included the Crimean War. In 1854, his flagship was a 72-gun frigate.
1858: KCB
1866: Rear-Admiral
1867: Retired Rear-Admiral
1873: Retired Vice-Admiral
Books
Slade, who has been described as "one of the best nineteenth-century writers on the Middle East", wrote a number of books:
Records of travels in Turkey, Greece, &c. and of a Cruise in the Black Sea, with the Capitan Pasha, in the years 1829,1830, and 1831 (1833)
Turkey, Greece and Malta (1837)
The sultan and Mehemet Ali; or, The present crisis in Turkey. (1839)
Travels in Germany and Russia: including a steam voyage by the Danube and the Euxine from Vienna to Constantinople, in 1838-39 (1840)
A Few Words on Naval Construction and Naval promotion. (1846)
Maritime States and Military Navies (1859)
Turkey and the Crimean War: a narrative of historical events (1867)
An Historical Catechism of the Church of England, from the Apostles’ times to the mission of St. Augustine. Compiled chiefly for the young (1883).