New Delhi, March 6 -- SpiceJet Ltd has been hit with fresh insolvency claims from three Ireland-based aircraft lessors and a former pilot over defaults on rental and employment dues, just as the financially strained airline prepares to revive operations.

Three Irish lessors-NGF Genesis Ltd, NGF Charlie Ltd, and NGF Alpha Ltd-have alleged that SpiceJet defaulted on rental payments, with their combined claims amounting to $12.4 million.

These entities approached the National Company Law Tribunal (NCLT) after previously serving a legal notice on the airline in December, accusing it of theft of aircraft parts, including engines, from five leased Boeing 737 freighter planes.

Additionally, a former SpiceJet pilot, Devesh Bbyan, has filed a c...