Mandatory aircraft deregistration under lease default and IDERA filing survives insolvency moratorium; clarificatory exclusion notification applies retrospectively.

Rule 30(7) of the Aircraft Rules, 1937 was treated as imposing a mandatory duty to cancel aircraft registration once the prescribed IDERA-based application and priority search report were filed, so the aviation authority could not keep deregistration in abeyance. The insolvency moratorium was held not to bar the relief where the dispute arose from pre-CIRP lease defaults and involved enforcement of a public law statutory duty rather than a claim solely arising from insolvency, and the writ court retained jurisdiction. A notification excluding aircraft from moratorium was read as clarificatory and retrospective in effect. On that basis, refusal to deregister was set aside and consequential relief followed.

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Issues: (i) Whether the civil aviation authority was bound to deregister the aircraft under Rule 30(7) of the Aircraft Rules, 1937 on receipt of the IDERA and accompanying documents; (ii) Whether the insolvency moratorium under the Insolvency and Bankruptcy Code, 2016 barred deregistration and whether the insolvency forum had exclusive jurisdiction over the dispute; (iii) Whether the notification issued under Section 14(3) of the Insolvency and Bankruptcy Code, 2016 excluding aircraft from moratorium operated retrospectively.

Issue (i): Whether the civil aviation authority was bound to deregister the aircraft under Rule 30(7) of the Aircraft Rules, 1937 on receipt of the IDERA and accompanying documents

Analysis: Rule 30(6) uses permissive language, while Rule 30(7) employs mandatory language and requires cancellation of registration within five working days once the prescribed IDERA-based application and priority search report are filed. The deregistration function was treated as a statutory duty rather than a discretionary determination, and the existence of lease defaults and termination notices did not alter the statutory command once the conditions in the rule were satisfied.

Conclusion: The authority was bound to deregister the aircraft and could not keep the applications in abeyance.

Issue (ii): Whether the insolvency moratorium under the Insolvency and Bankruptcy Code, 2016 barred deregistration and whether the insolvency forum had exclusive jurisdiction over the dispute

Analysis: The dispute was held to arise from contractual defaults and termination of lease agreements that pre-dated the insolvency commencement order, and not solely from insolvency. The matter involved enforcement of a public law statutory duty against a statutory authority, which could not be converted into an insolvency dispute merely because the lessee was under CIRP. The insolvency tribunal's jurisdiction under Section 60(5) was therefore not treated as exclusive for the deregistration controversy, and the moratorium under Section 14(1)(d) did not bar the relief sought.

Conclusion: The moratorium did not prevent deregistration, and the writ court retained jurisdiction to decide the public law challenge.

Issue (iii): Whether the notification issued under Section 14(3) of the Insolvency and Bankruptcy Code, 2016 excluding aircraft from moratorium operated retrospectively

Analysis: The notification was read in the context of India's accession to the Cape Town Convention and Protocol and the statutory scheme already reflected in the Aircraft Rules. It was treated as a clarificatory and necessary adjunct intended to cure an acknowledged gap and to give effect to the treaty-based regime governing aircraft objects. On that basis, the notification was construed as operating from the date the moratorium provision came into force.

Conclusion: The notification was held to be retrospective in effect.

Final Conclusion: The impugned communications refusing deregistration were set aside, deregistration was directed, and consequential reliefs including access, maintenance, and export-related directions were granted in favour of the petitioners.

Ratio Decidendi: Where the conditions of Rule 30(7) of the Aircraft Rules, 1937 are fulfilled, deregistration is a mandatory statutory act; a public law challenge to refusal by the aviation authority is not displaced by insolvency moratorium where the dispute does not arise solely from insolvency, and a clarificatory notification issued to implement a treaty-based aircraft regime may operate retrospectively.

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