name        pennant                                   builder          laid down          launched      commissioned
0    flamingo  l18 later u18                        yarrow , scotstoun        26 may 1938     18 april 1939   3 november 1939
1  black swan  l57 later u57                        yarrow , scotstoun       20 june 1938       7 july 1939   27 january 1940
2        erne            u03  furness sbdg , haverton hill - on - tees  22 september 1939     5 august 1940     26 april 1941
3        ibis            u99  furness sbdg , haverton hill - on - tees  22 september 1939  28 november 1940    30 august 1941
4    whimbrel            u29                        yarrow , scotstoun    31 october 1941    25 august 1942   13 january 1943
5  wild goose            u45                        yarrow , scotstoun    28 january 1942   14 october 1942     11 march 1943
6  woodpecker            u08                         denny , dunbarton   23 february 1941      29 june 1942  14 december 1942
7        wren            u28                         denny , dunbarton   27 february 1941    11 august 1942   4 february 1943

Table as JSON:
{"name":{"0":"flamingo","1":"black swan","2":"erne","3":"ibis","4":"whimbrel","5":"wild goose","6":"woodpecker","7":"wren"},"pennant":{"0":"l18 later u18","1":"l57 later u57","2":"u03","3":"u99","4":"u29","5":"u45","6":"u08","7":"u28"},"builder":{"0":"yarrow , scotstoun","1":"yarrow , scotstoun","2":"furness sbdg , haverton hill - on - tees","3":"furness sbdg , haverton hill - on - tees","4":"yarrow , scotstoun","5":"yarrow , scotstoun","6":"denny , dunbarton","7":"denny , dunbarton"},"laid down":{"0":"26 may 1938","1":"20 june 1938","2":"22 september 1939","3":"22 september 1939","4":"31 october 1941","5":"28 january 1942","6":"23 february 1941","7":"27 february 1941"},"launched":{"0":"18 april 1939","1":"7 july 1939","2":"5 august 1940","3":"28 november 1940","4":"25 august 1942","5":"14 october 1942","6":"29 june 1942","7":"11 august 1942"},"commissioned":{"0":"3 november 1939","1":"27 january 1940","2":"26 april 1941","3":"30 august 1941","4":"13 january 1943","5":"11 march 1943","6":"14 december 1942","7":"4 february 1943"}}