Rostrum Leasing 1 DAC v MAE Aircraft Management WLL

Rostrum Leasing 1 DAC v MAE Aircraft Management WLL

MAE Aircraft Management WLL is estopped by convention from denying delivery and acceptance of the aircraft and the obligation to pay rent, having paid rent without reservation and acted on the basis of the lease. The TAC and absence of a TIN confirm delivery and acceptance. The counterclaim is dismissed except for...

Source-derived case information.

Parties
Claimant: Rostrum Leasing 1 DAC; Defendant: MAE Aircraft Management WLL
Jurisdiction
England and Wales
Judgment Date
15 January 2026
Procedural Posture
Commercial Summary Judgment Application / Summary Judgment Ruling
Outcome
Summary judgment granted in part for the claimant; counterclaim dismissed in part; part of counterclaim survives to trial.
Legal Topics
Aircraft Lease, Summary Judgment, Estoppel by Convention, Contractual Interpretation, Implied Terms, Counterclaim Dismissal
Contract Law Commercial Law Aviation Law Aircraft Lease Summary Judgment Estoppel by Convention Contractual Interpretation Implied Terms +1 more

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Summary, issues, holding and outcome

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Parties

Rostrum Leasing 1 DAC

Claimant

MAE Aircraft Management WLL

Defendant

Procedural Posture

Commercial Summary Judgment Application / Summary Judgment Ruling

Legal Issues

  1. 1 Whether summary judgment should be granted for outstanding rent under an aircraft lease
  2. 2 Whether the defendant is estopped from denying delivery and acceptance under the lease
  3. 3 Whether the counterclaim for damages and other relief should be summarily dismissed

Ratio Decidendi

MAE Aircraft Management WLL is estopped by convention from denying delivery and acceptance of the aircraft and the obligation to pay rent, having paid rent without reservation and acted on the basis of the lease. The TAC and absence of a TIN confirm delivery and acceptance. The counterclaim is dismissed except for the part relating to alleged failure to rectify defects identified in the TAC, which requires trial. Summary judgment is granted for outstanding rent up to 26 July 2024, subject to adjustment for payments made.

Court Disposition

Summary judgment granted in part for the claimant; counterclaim dismissed in part; part of counterclaim survives to trial.

Orders

  • Summary judgment for outstanding rent up to 26 July 2024, subject to adjustment for payments made.
  • Counterclaim dismissed except for claim relating to alleged failure to rectify defects identified in the TAC, which survives to trial.