Naske Air
HC
National Airlines
N7
National Airlines
N4
National Airways Corporation – NAC
YJ
National Jet Systems
NC
Nations Air
N5
Nationwide Airlines
CE
Nature Island Express
XV
Necon Air
3Z
NEPC Airlines
D5
New England Airlines
EJ
NICA – Nicaraguenses de Aviacion
6Y
Nice Helicopteres
JX
Nigeria Airways
WT
North American Airlines
XG
North Coast Aviation
N9
North Vancouver Airliners
VL
Northeast Airlines
NE
Northern Thunderbird Air
4R
Northwest Airlines
NW
Northwest Airlink/Express Airlines
9E
Northwest Airlink/Mesaba Airlines
XJ
Northwestern Air
J3
Nouvelair Tunesie
BJ
NWT Air
NV