From A Wiki of Ice and Fire
The Nightflyer is an ironborn longship owned by House Blacktyde. Her captain is Lord Baelor Blacktyde.
A Feast for Crows
Lord Captain Victarion Greyjoy spots the Nightflyer at anchor next to the Thunderer in Nagga's Cradle.
Behind the Scenes
Nightflyers is also a novella written by George R. R. Martin.
- ↑ 1.0 1.1 A Feast for Crows, Chapter 18, The Iron Captain.