A weekend skydiving plane crash in Missouri that killed 12 people has renewed calls for stricter federal regulation.

Safety advocates say the FAA has repeatedly rejected recommendations to tighten rules for skydiving flights since 2008.

Skydiving planes face less stringent oversight than commercial flights despite carrying paying passengers for hire.

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After personally looking over the wreckage of the deadliest skydiving plane crash of the decade on a bright June day, Jennifer Homendy with the National Transportation Safety Board said things must change.