D/S Hai Dah
- Other names
- ex Havdrott,ex Hilda Lea,ex Cygnus
- Call sign
- LDSB
- Class
- DNV1A1
- Shipping company
- Nationality
Norway- Home port
- Enlistment district
Shipyard
- Name
- Build year
- 1906
- Yard number
- 136
- Month of delivery
- September
Other
- Participant in WW1
- Participant in WW2
- Civilian ship
Tonnage
- Gross tonnage:
- 1.186
- Net tonnage:
- 713
- Deadweight:
- 2.100
Engine
- Propulsion:
- Engine size:
- NHK 153 IHK 780
- Speed:
- 9
Dimensions
- Length:
- 235.0'
- Beam:
- 36.3'
- Draft:
- 15.8'
Seafarer Nationality Position Signed on Signed off Harbour Date Harbour Date NorwayShanghai 2/24/1941 Bombay 6/23/1944 
ChinaShanghai 2/20/1941 Unknown Unknown NorwayShanghai 2/19/1941 Bombay 8/20/1943 Norway2. Styrmann / 1. Styrmann Shanghai 2/12/1941 Calcutta 4/3/1942 NorwayAlliert havn 8/19/1940 Alliert havn 11/15/1940 Norwayukjent Unknown 9/12/1939 Unknown 2/20/1941 Norwayukjent Shanghai 11/1938 Rangoon 1/20/1942 ChinaShanghai 11/7/1938 Unknown Unknown