Prima Wreck
| Field | Value |
|---|---|
| Wreck Category | dangerous wreck |
|
Prima Wreck Location Marine Coordinates (DMM) |
52 37.691 N,1 45.607 E |
| Latitude, Longitude Decimal Degrees |
|
| Wreck Depth | 17.77 m |
| Water Depth | 23 m |
| Water Level Effect | always under water/submerged |
| Vertical Datum | Approximate Lowest Astronomical Tide |
| Name | PRIMA |
| Type | steam ship |
| Flag | NO |
| Length | 50.3 m |
| Width | 7.9 m |
| Draught | 5.2 |
| Sonar Length | 54.72 |
| Sonar Width | 19.1 |
| Shadow Height | 6.1 |
| Orientation | 8 |
| Tonnage | 619 |
| Tonnage Type | gross |
| Cargo | natural fibres and materials in general: unprocessed and products,wood: unprocessed and products |
| Conspic Visual | not visually conspicuous |
| Conspic Radar | not radar conspicuous |
| Date Sunk | Jan 7, 1916 |
| Bottom Texture | Gravel |
| Original Detection Year | 1917 |
| Last Detection Year | 2017 |
| Original Source | other |
| Surveying Details | H800/16 26.5.17 CHART WK 37FT WITH BUOY CLOSE S. (AUTHORITY NOT STATED). - FNM 62/16. H3211/17 26.5.17 DISPERSED. (TH, DTD 1917). AMEND TO WK 45FT. - FNM 161/16. H2976/27 11.5.27 SWEPT CLEAR AT 46FT IN 523741N, 014541E USING HSA. (HMS FITZROY, DTD 9.5.27). AMEND TO WK 46FT IN REVISED POSN. BR STD. H3478/45 20.7.45 NOT FOUND. EXAMINATION SHOWS LEAST DEPTH 55FT IN POSN 050DEGS, 1.63M FROM ST NICHOLAS CH. AREA SWEEP USING SONAR. (FOIC YARMOUTH, DTD 20.7.45). AMEND TO FOUL. - NM BLOCK. H03774/45 30.3.46 AMEND TO FOUL 55FT. (SURVEY [C1543]). H3930/61 17.4.63 NOT FOUND AFTER PROLONGED SONAR SEARCH. (HMS ENTERPRISE, OCT 1962). AMEND TO FOUL. LC 1543. H1927/69 10.1.69 EXAM'D 4.9.68 IN 523741N, 014541E. LEAST E/S DEPTH 60 IN GEN DEPTH 66-75FT. SCOUR DEPTH 77FT. SHOAL OF 51FT LOCATED 1.5C E OF WK. (HMS ECHO, HI 40/68). AMEND POSN. NE 1536. H4852/74 18.12.74 EXAM'D IN 523738N, 014544E USING HIFIX/6 [2 LOP]. LEAST E/S DEPTH 18.0 IN GEN DEPTH 22MTRS. NO SCOUR. ABOUT 25MTRS LONG AND LIES NNW/SSE, APPROX. (HMS ENTERPRISE, HI 11/74). AMEND TO WK 18MTRS IN REVISED POSN. - NM 157/75. H4852/74 26.1.79 EXAM'D 18.8.78 IN 523740N, 014544E [OGB] USING HIFIX/6 [2 LOP]. LEAST E/S DEPTH 17 IN GEN DEPTH 22-23MTRS. SCOUR 3.5MTRS. DCS3 HT 6MTRS. LIES N/S ON EDGE OF A DEEP TRENCH. THE SEABED SHOALS RAPIDLY TO E OF WK. HMS ECHO, HI 64B/78). AMEND TO WK 17MTRS IN REVISED POSN. - NM 353/79. H1960/79 31.3.81 EXAM'D BY CLOSE SOUNDING ONLY 13.10.80. AS REPORTED BY ECHO IN 1978, EXCEPT LEAST DEPTH NOW 16.9 IN GEN DEPTH 20.3MTRS. SCOUR 23.3MTRS. (HMS EGERIA, HI 62B/80). H2908/83 18.12.84 EXAM'D 10.10.84 IN 523740N, 014543E [OGB] USING HIFIX/6 [2 LOP]. SWEPT CLEAR AT 18.6, FOUL AT 18.8MTRS. LEAST E/S DEPTH 18.1 [THOUGHT TO BE FROM 'SAND PLUME' IN STRONG TIDAL STREAM] IN GEN DEPTH 22 MTRS. SCOUR DEPTH 23.5MTRS. DCS3 HT 3.2MTRS. LIES N/S, GOOD SONAR CONTACT. (HMS ENTERPRISE, HI 188). AMEND TO SW 18.6MTRS. BR STD. H4021/86 5.8.87 EXAM'D 29.5.87 IN 523740N, 014544E [OGB] USING TRISPONDER [4 LOP]. LEAST E/S DEPTH 18.0 IN GEN DEPTH 24-25MTRS. NO SCOUR. DCS3 HT 3.9MTRS, LENGTH 55MTRS, WIDTH 6MTRS. LYING N/S PARTIALLY BURIED. MAGNETOMETER INDICATED IRON CONTENT OF 550 TONNES. RECOMMEND RETAIN SWEPT DEPTH. (NP 1016, HI 370). NCA. HH090/487/01 26.6.90 EXAM'D 21.4.90 IN 523739.9N, 014542.6E [OGB] USING TRISPONDER [7 LOP]. SWEPT CLEAR AT 17.9, FOUL AT 18.2MTRS. LEAST E/S DEPTH 17.9 IN GEN DEPTH 23.5MTRS. NO SCOUR. NO SONAR SHADOW OBTAINED. LARGE WK, LYING N/S AND PARTIALLY BURIED IN SEABED. STRONG MAGNETOMETER DEFLECTION OBTAINED. (NP 1016, HI 487). AMEND TO SW 17.9MTRS. BR STD. HH090/569/01 9.7.93 LOCATED 3.5.93 IN 523739.4N, 014542.5E [OGB] USING TRISPONDER [4 LOP]. NOT EXAM'D BUT E/S DEPTH 9.1MTRS RECORDED DURING A TURN WHEN EXAMINING DIFFUSER CLOSE S. NO SONAR HEIGHT OBTAINED. STRONG MAGNETIC ANOMALY OBSERVED. RECOMMEND RETAIN AS CHARTED. (NP 1016, HI 569). NCA. HH090/846/01 13.5.99 EXAM'D 2.4.99 IN 5237.683N, 0145.608E [WGD] USING DGPS. SWEPT CLEAR 16.1, FOUL 16.4MTRS. LEAST E/S DEPTH 18MTRS. SCOUR 3MTRS. LENGTH 50MTRS, WIDTH 15MTRS. DCS3 HT 2MTRS. LIES 000/180DEGS. SCOUR 40MTRS TOWARDS 135DEGS. LARGE MAGNETIC ANOMALY. SWEEP PROBABLY FOULED ON SUBMERGED FISHING GEAR. AREA OF BROKEN WRECKAGE. PARTIALLY BURIED. (NP 1016, HI 846). AMEND TO SW 16.1MTRS IN REVISED POSN. BR STD. HH091/110/01 16.8.05 EXAM'D 27.4.05 IN 5237.688N, 0145.610E [WGD] USING DGPS. SWEPT CLEAR 18.1, FOUL 18.4MTRS. LEAST M/B DEPTH 17.93 IN GEN DEPTH 22.0MTRS. NO SCOUR. LENGTH 54MTRS, WIDTH 12MTRS, HT 4.0MTRS. LIES 000/180 DEGS. SITS ON TOP OF THE W EDGE OF A 5MTR DEEP HOLE SOME 130MTRS BY 100MTRS. UPRIGHT AND INTACT. (NP 1016, HI 1110). AMEND SW 17.9MTRS. BR STD. SEP 2017/000186964 25.4.18 DATA RE-EXAMINED BY BDC; SHOALER DEPTH FOUND IN W/C 17.77MTRS IN POSITION 5237.691N, 0145.607E [WGD]. GEN DEPTH 23MTRS. LENGTH 54.72MTRS, WIDTH 19.1MTRS, HEIGHT 6.1MTRS, ORIENTATION 008/188DEGS. NO SCOUR. SUPERSTRUCTURE AND NORTHERN HALF OF WK ARE HEAVILY DECAYED, CONSTITUTING A DEBRIS FIELD. [EGS, HI 1545]. AMEND DW TO 17.7MTRS. |
| Last Amended Date | Apr 11, 2018 |
Circumstances of loss
BUILT IN 1885 BY J L MEYER, PAPENBURG. OWNED AT TIME OF LOSS BY A/S D/S PRIMA. ONE BOILER, COMPOUND EXPANSION ENGINE OF 41NHP, SINGLE SHAFT. PASSAGE RISOR FOR ERITH. SANK FOLLOWING COLLISION WITH SWEDISH SS 'HILD'. (SIBI).
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