The NTSB investigates incidents across aviation, highway, marine, pipeline, rail, and hazmat modes. The archive runs to roughly 30,000 investigations spanning decades, with each producing factual reports, probable cause findings, and a recommendation set sent to industry and regulators. The public surface is the NTSB site's mode-specific query interfaces, which means cross-modal research ("recommendations from any mode related to lithium battery transport") is effectively manual.

SleekRank reads the investigation export and emits one WordPress page per investigation, regardless of mode. Each page carries investigation number, mode, event date, location, factual narrative excerpt, probable cause, recommendation count, and an Event schema block, all driven by tag and selector mappings on a shared base. The URL pattern is /ntsb-investigations/{slug}/, and new investigations appear after the next cache refresh.

The win is cross-modal consistency. Aviation incident pages and pipeline incident pages already deserve their own corpus, but the broader NTSB investigation corpus serves a different research need: searching across modes for thematic patterns. Both can coexist as separate page groups from the same source, with cross-links between mode-specific surfaces and the unified investigation corpus.

The NTSB investigates across modes precisely because safety failures often share thematic patterns across modes. Lithium-ion fires happen on aircraft, in cars, and on cargo ships. Fatigue affects pilots, drivers, train operators, and pipeline controllers.

Automation failures span flight, highway, and marine systems. Researching these themes today requires querying six separate mode-specific interfaces on the NTSB site, downloading PDFs, and stitching the analysis manually. The cross-modal investigation corpus is exactly the surface that would make this research tractable, and it is exactly the surface no one currently publishes.

SleekRank turns the NTSB investigation export into a corpus of per-investigation landing pages, with consistent schema and consistent narrative formatting across every mode. Each investigation becomes its own URL that ranks for investigation number, mode, and event-name searches. Internal links to mode-specific corpora preserve mode depth while the cross-modal surface enables thematic queries.

Event schema with sameAs anchoring to the NTSB docket makes every page eligible for entity panels and enhanced results while preserving the primary source relationship. Researchers, journalists, and counsel gain a citable reference layer on top of the canonical NTSB record without displacing it, and the cross-modal pattern research that safety policy actually needs finally has a public home.