| colspan="2" align="center" | L Emer (P21) at sea. |
| style="color: Black; height: 30px; background: tan no-repeat scroll top left;" | Career | style="background:tan;align:right;" | |
| Ordered: | |
| Laid down: | 28 February 1977 |
| Launched: | 26 September 1977 |
| Commissioned: | 16 January 1978 |
| Decommissioned: | |
| Fate: | in active service |
| colspan="2" style="color: Black; height: 30px; background: tan no-repeat scroll top left;" | General Characteristics |
| Displacement: | 1019.5 tons Standard |
| Length: | 213.7 ft (65.2 m) overall |
| Beam: | 34.4 ft (10.5 m) |
| Draught: | 14.4ft (4.4 m) |
| Speed: | 17 knots (31.5 km/h) maximum |
| Complement: | 46 (5 Officers and 41 Ratings ) |
| Armament: | 1 Bofors 40mm
2xGambo 20mm Cannon
7.62mm GPMG |