Exhibit 8.1

Subsidiary name

Jurisdiction of incorporationAerCap AerVenture Holding B.V.

The NetherlandsAerCap B.V.

The NetherlandsAerCap Group Services B.V.

The NetherlandsAerCap Dutch Aircraft Leasing I B.V.

The NetherlandsAerCap Dutch Aircraft Leasing IV B.V.

The NetherlandsAerCap A330 Holdings B.V.

The NetherlandsAerData B.V. (43%)

The NetherlandsAerCap Leasing XIII B.V.

The NetherlandsAerCap Leasing XIV B.V.

The NetherlandsAerCap Leasing XVI B.V.

The NetherlandsAerCap Funding I B.V

The NetherlandsAerCap Funding II B.V

The NetherlandsAerCap Leasing XVIII B.V.

The NetherlandsAerCap Leasing XXIX B.V.

The NetherlandsAerCap Leasing XXX B.V.

The NetherlandsAerCap Netherlands B.V.

The NetherlandsAeroTurbine B.V.

The NetherlandsAMS AerCap B.V.

The NetherlandsClearstream Aircraft Leasing B.V.

The NetherlandsGFL Aircraft Leasing Netherlands B.V

The NetherlandsAeroTurbine Ireland Limited

Republic of IrelandAerCap Celtavia 4 Limited

Republic of IrelandAerCap Celtavia 5 Limited

Republic of IrelandAerCap Celtavia 6 Limited

Republic of IrelandAerCap Administrative Services Limited

Republic of IrelandAerCap Cash Manager Limited

Republic of IrelandAerCap Cash Manager II Limited

Republic of IrelandAerCap Financial Services (Ireland) Limited

Republic of IrelandAerCap Fokker Limited

Republic of IrelandAerCap Ireland Limited

Republic of IrelandAir Maple Limited

Republic of IrelandGPA Group Limited

Republic of IrelandGPA Aero Citra Limited

Republic of IrelandAerFi Group Limited

Republic of IrelandIrish Aerospace Limited

Republic of IrelandAerCap Jetprop Limited

Republic of IrelandSkyscape Limited

Republic of IrelandSunflower Aircraft Leasing Limited

Republic of IrelandJasmine Aircraft Leasing Limited

Republic of IrelandJasper Aircraft Leasing Limited

Republic of IrelandAerCap A330 Limited

Republic of IrelandAerCap Engine Leasing Limited

Republic of IrelandRosso Aircraft Leasing Limited

Republic of IrelandAzzurro Aircraft Leasing Limited

Republic of IrelandAerCap Partners I Holding Limited and Subsidiaries (50%)

Republic of IrelandAerCap Partners II Holding Limited and Subsidiaries (50%)

Republic of IrelandAerCap Partners III Holding Limited and Subsidiaries (50%)

Republic of Ireland


1

---



Subsidiary name

Jurisdiction of incorporationAerCap Note Purchaser Limited

Republic of IrelandLishui Aircraft Leasing Limited

Republic of IrelandBerlin Aircraft Leasing Limited

Republic of IrelandPirlo Aircraft Leasing Limited

Republic of IrelandJade Aircraft Leasing Limited

Republic of IrelandAerVenture Limited and Subsidiaries

Republic of IrelandAerDragon Aviation Partners Limited and Subsidiaries (25%)

Republic of IrelandCastletroy Leasing Limted

Republic of IrelandAerCap A330 Holdings Limited

Republic of IrelandAerCap A330 Ireland Limited

Republic of IrelandSurestream Aircraft Leasing Limited

Republic of IrelandAureastream Aircraft Leasing Limited

Republic of IrelandCometstream Aircraft Leasing Limited

Republic of IrelandLeostream Aircraft Leasing Limited

Republic of IrelandGeministream Aircraft Leasing Limited

Republic of IrelandPeony Aircraft Holdings Limited

Republic of IrelandPeony Aircraft Leasing Limited

Republic of IrelandTriple Eight Aircraft Holdings Limited

Republic of IrelandTriple Eight Aircraft Leasing Limited

Republic of IrelandLibrastream Aircraft Leasing Limited

Republic of IrelandPiscesstream Aircraft Leasing Limited

Republic of IrelandStellastream Aircraft Leasing Limited

Republic of IrelandStreamline Aircraft Leasing Limited

Republic of IrelandVirgostream Aircraft Leasing Limited

Republic of IrelandXLease MSN 3008 Limited

Republic of IrelandXLease MSN 3420 Limited

Republic of IrelandXLease MSN 1110 Limited

Republic of IrelandAerCap Holding & Finance Limited

Republic of IrelandAerCap Ireland Asset Investment 1 Limited

Republic of IrelandAerCap Ireland Asset Investment 2 Limited

Republic of IrelandAerCap Ireland Funding 1 Limited

Republic of IrelandAerVenture Export Leasing Limited

Republic of IrelandAndes Aircraft Leasing Limited

Republic of IrelandHarmonic Aircraft Leasing Limited

Republic of IrelandJetlease MSN 32428 Limited

Republic of IrelandMainstream Aircraft Leasing Limited

Republic of IrelandRouge Aircraft Leasing Limited

Republic of IrelandSymphonic Aircraft Leasing Limited

Republic of IrelandGenesis Ireland Aviation Trading 1 Limited

Republic of IrelandGenesis Ireland Aviation Trading 2 Limited

Republic of IrelandGenesis Ireland Aviation Trading 3 Limited

Republic of IrelandGenesis Ireland Aviation Trading 4 Limited

Republic of IrelandAerFi Sverige AB

SwedenGenesis Funding Sweden I AB

SwedenLille Location S.A.R.L

FranceMetz Location S.A.R.L.

FranceToulouse Location S.A.R.L.

FranceBiarritz Location S.A.R.L.

FranceNice Location S.A.R.L.

FranceGenesis Funding France I S.A.R.L

France


2

---



Subsidiary name

Jurisdiction of incorporationAeroTurbine Supply Chain Solutions Limited

United KingdomAerCap UK Limited

United KingdomGenesis Funding Norway I A/S

NorwayGLS Norway Alpha A/S

NorwayAerCap (Bermuda) No.3 Limited

BermudaAerCap Holdings (Bermuda) Limited

BermudaLC Bermuda No. 2 Limited

BermudaLC Bermuda No. 2 L.P.

BermudaAerFunding 1 Limited and subsidiaries (5%)

BermudaAerCap Bermuda A330 Limited

BermudaFlotlease 973 (Bermuda) Limited

BermudaAerCap International Bermuda Limited

BermudaCopperstream Aircraft Leasing Limited

BermudaGoldstream Aircraft Leasing Limited

BermudaNovastream Aircraft Leasing Limited

BermudaSlipstream Aircraft Leasing Limited

BermudaWhitestream Aircraft Leasing Limited

BermudaArarat Aircraft Leasing Limited

BermudaGenesis Atlantic I Limited

BermudaGenesis Funding Limited

BermudaGenesis China Leasing 1 Limited

BermudaGenesis China Leasing 2 Limited

BermudaGenesis Funding Atlantic 1 Limited

BermudaGenesis Acquisition Atlantic 1 Limited

BermudaGenesis Acquisition Limited

BermudaGenesis Atlantic 1 Limited

BermudaGenesis Portfolio Funding I Limited

BermudaGLS Atlantic Alpha Limited

BermudaLare Leasing Limited

BermudaRoselawn Leasing Limited

BermudaRoss Leasing Limited

BermudaWestpark 1 Aircraft Leasing Limited

BermudaAircraft Lease Securitisation II Ltd. and subsidiaries (5% owned by AerVenture Leasing 1 Ltd., a subsidiary of AerVenture Ltd.)

BermudaAerCap Group Services ,Inc

United States of AmericaAerCap Corporation

United States of AmericaAerCap Leasing USA I, Inc

United States of AmericaAerCap Leasing USA II, Inc

United States of AmericaAeroTurbine, Inc

United States of AmericaGenesis Leasing USA Inc

United States of AmericaAerCap International (IOM) Limited

Isle of ManAerCap Holding (I.O.M.) Limited

Isle of ManAcorn Aviation Limited

Isle of ManCrescent Aviation Limited

Isle of ManStallion Aviation Limited

Isle of ManAerLift Leasing Limited and subsidiaries (40%)

Isle of ManAerLift Leasing Jet Limited (50%)

Isle of ManAerCap Note Purchaser (IOM) Limited

Isle of ManAerCap HK-320-A Limited

Cayman IslandsAerCap HK-320-B Limited

Cayman Islands


3

---



Subsidiary name

Jurisdiction of incorporationAerCap HK-320-C Limited

Cayman IslandsAerCap Aircraft Purchase Limited

Cayman IslandsAerCap Jet Limited

JerseyAircraft Lease Securitisation Ltd and subsidiaries (4.9%)

JerseyWahaflot Leasing 3 Limited

Cyprus


4

---



QuickLinks