Polanna Wreck
| Field | Value |
|---|---|
| Wreck Category | non-dangerous wreck |
|
Polanna Wreck Location Marine Coordinates (DMM) |
54 34.793 N,0 32.323 W |
| Latitude, Longitude Decimal Degrees |
|
| Wreck Depth | 45.04 m |
| Water Depth | 52 m |
| Water Level Effect | always under water/submerged |
| Vertical Datum | Approximate Lowest Astronomical Tide |
| Name | POLANNA |
| Type | steam ship |
| Flag | GB |
| Length | 86 m |
| Width | 11.6 m |
| Sonar Length | 86.7 |
| Sonar Width | 16.7 |
| Shadow Height | 6.76 |
| Orientation | 120 |
| Tonnage | 2345 |
| Tonnage Type | gross |
| Cargo | coal |
| Conspic Visual | not visually conspicuous |
| Conspic Radar | not radar conspicuous |
| Date Sunk | Aug 6, 1917 |
| Original Detection Year | 1988 |
| Last Detection Year | 2016 |
| Original Source | other |
| Surveying Details | H1311/88 11.10.88 WK IN 543447N, 003226W. (M FREEMAN, LTR DTD 30.9.88). INS AS NDW. BR STD. H6331/87 27.1.89 WK EXAM'D 17.6.88 IN 543447N, 003214W [OGB] USING TRISPONDER [3 LOP]. LEAST E/S DEPTH 44 IN GEN DEPTH 52MTRS. NO SCOUR. DCS3 HT 7.9MTRS, LENGTH 90MTRS, WIDTH 20MTRS. LIES 115/295DEG WITH HIGH POINT AT SE END. (LAND & MARINE, HI 414B). AMEND TO WK 44MTRS. BR STD. HH100/351/13 17.3.98 IDENTIFIED AS 'POLANNA'. BUILT IN HAMBURG BY BLOHM & VOSS. IDENTIFIED FROM DECK FITTINGS MARKED 'LUFT UND ROHR TANK NO1' AND STEAM WHISTLE MADE IN HAMBURG. ENGINE AND BOILER DETAIL MATCH. (A C JACKSON/C A RACEY, LTR DTD 12.3.98). NCA. SEP 2017/00002822 3.5.17 EXAM'D 13.12.16; IN 5434.793N, 0032.323W [WGD]. LEAST M/B DEPTH 45.04MTRS IN GEN DEPTH 52MTRS, LENGTH 86.7MTRS, WIDTH 16.7MTRS, HEIGHT 6.76MTRS, ORIENTATION 120/300 DEGS. WRECK APPEARS TO BE UPRIGHT AND INTACT, BUT IS SEVERELY DISINTEGRATED. (MMT, HI 1491). AMEND NDW 45MTRS IN REVISED POSN. |
| Last Amended Date | May 3, 2017 |
Circumstances of loss
EX-ANNA WOERMANN '98, EX-ANTONINA I. BUILT IN 1893. OWNED AT TIME OF LOSS BY CLYDE SS CO, GLASGOW. TRIPLE EXPANSION ENGINE, SINGLE SHAFT. PASSAGE THE TYNE FOR DUNKIRK. TORPEDOED. TWO MEN LOST. (SIBI).
Nearby Wrecks:
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- Disperser Wreck 1442.6 M
- Noel Wreck 2581.2 M
- Brotherly Love Wreck 2744.5 M
- Hetty (Possibly) Wreck 3188.3 M
- Ardgantock Wreck 3280.5 M
- Fishermans Fastener Wreck 43972 3568.2 M
- Other Wreck 53782 3958.5 M
- Gwalia (Possibly) Wreck 4058.6 M
- Lighter Wreck 1877 4136.1 M