The cash will come from a mix of perpetual bonds and equity, with the new shares sold at only 6.26 crowns each, a steep discount to the 55.25 crowns it trades at in Oslo.
The airline said it expects total liabilities to be around 16 billion to 18 billion Norwegian crowns, of which about a third is aircraft-related debt, after the process is completed.
The carrier aims to raise 6 billion crowns in fresh capital as part of a scheme to emerge on May 26 from court-ordered bankruptcy protection in Ireland and Norway.
Financed largely by debt, Norwegian Air grew rapidly, serving routes across Europe and flying to North and South America, Southeast Asia and the Middle East before the COVID-19 pandemic plunged the airline into crisis.
Norwegian Air asked Ireland's High Court to issue repudiation orders for three sales contracts with Boeing, but lawyer Declan Murphy said this was not intended to take precedence over ongoing US legal action on the contracts.
The airline took an impairment charge of 4.8 billion crowns ($93.51 million) in the fourth quarter relating to the termination of aircraft purchase contracts with Airbus and Boeing.
The budget airline was late last year given protection from bankruptcy in both Norway and Ireland, where most of its assets are registered, and is aiming to emerge from the process with fewer aircraft and less debt.
Norways's government said last week it would back Norwegian , which aims to emerge from court-ordered bankruptcy protection as a slimmed-down carrier focused primarily on the Nordic region.
The government said on Friday the amount earmarked for the airline was in line with what Norwegian had asked for.
The extension to Feb. 25 was granted after a lawyer representing the Irish examiner told the court that the examiner believed the budget carrier had a reasonable prospect of survival.
I will grant that application and extend the time for reporting... to the 25th of February.
Norwegian, Europe's third largest low-cost airline until the pandemic paralysed global air transport last year, has seen its debt and losses pile up since 2017.
The company has been placed under bankruptcy protection in Ireland and Norway to shield it from creditors while it tries to come up with a financial restructuring plan.