Pedro Nunes 1935
| Name | No | Yard No | Builder | Laid down | Launched | Comp | Fate |
| Pedro Nunes | ER de Lisboa | 1930 | 17.3.1934 | 4.1935 | survey vessel 1956 | ||
| João de Lisboa (ex-Infante D. Henrique) | 1956- F477 | ER de Lisboa | 1930 | 21.5.1936 | 8.1937 | survey vessel 1961 |
|
Displacement standard, t |
960 |
|
Displacement full, t |
1220 |
|
Length, m |
68.0 pp 71.4 oa |
|
Breadth, m |
9.98 |
|
Draught, m |
2.84 |
|
No of shafts |
2 |
|
Machinery |
2 MAN diesels |
|
Power, h. p. |
2400 |
|
Max speed, kts |
16.5 |
|
Fuel, t |
diesel oil 126 |
| Endurance, nm(kts) | 8000(10) |
|
Armament |
2 x 1 - 120/50 Vickers-Armstrong Mk G, 2 x 1 - 76/50 Mk 2.3.5, 4 x 1 - 40/39 2pdr QF Mk II, 2 DCR |
|
Complement |
138 |
Project history: Colonial sloops, officially rated as 2nd class avisos, Portuguese design. They had original flush-deck hull and MAN diesels as main machinery.
Modernizations: 1944, both: - 2 x 1 - 76/50, 4 x 1 - 40/39; + 4 x 1 - 20/70 Oerlikon Mk II/IV, 4 DCT, presumably sonar
1950s, both: - 4 x 1 - 20/70; + 4 x 1 - 40/60 Mk 3, radar
Naval service: Both ships were converted to survey vessels, Pedro Nunes was finally discarded in 1976 and João de Lisboa in 1966.
Pedro Nunes 1950
© Ivan Gogin, 2011-15