NAVYPEDIA

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Pedro Nunes 1950

Ships

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

Technical data

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

Standard scale images

Graphics

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.