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 2/19/1941 Bombay 8/20/1943 
IndiaTrimmer Bombay 8/9/1942 Avmønstret før 5/1/1943 IndiaSjømann Bombay 8/9/1942 Avmønstret før 5/1/1943 IndiaSjømann Bombay 1/31/1943 Avmønstret før 5/1/1943 IndiaBombay 8/9/1942 Bombay 1/13/1943 IndiaSjømann Calcutta 3/22/1942 Bombay 1/30/1943 IndiaSjømann Unknown Unknown Unknown Unknown IndiaBombay 8/9/1942 Bombay 5/1/1943