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SEA87LA164

1987-08-13 · CASCADE, Idaho, United States · None · 1 aircraft · Status: Completed

Airport U70

Aircraft involved

Factual narrative

THE PLT ELECTED TO DIVERT DUE TO HVY RAIN AT HIS DESTN. WHILE LNDG AT AN ALTERNATE ARPT AT NGT, HYDROPLANING OCCURRED & BRAKING WAS NOT EFFECTIVE. DRG A GO-AROUND, THE ACFT ROLLED ONTO THE OVERRUN & LIFTED OFF, BUT THE ACFT'S MAIN GEAR STRUCK A ROCK PILE ON THE OVERRUN. SUBSEQUENTLY, THE ACFT CAME TO REST ON CONSTRUCTION DIRT. THE ROCK PILE WAS APRX 5 FTHI & WAS LEFT ON THE OVERRUN BY CONSTRUCTION PSNL. A NOTAM WAS IN EFFECT WHICH STATED 'MEN AND EQUIPMENT PRESENT AT THE END OF RUNWAY 30.' THE PLT RPRTD THERE WERE NO BARRIERS OR BLINKING LGTS TO MARK THE CONSTRUCTION AREA & HE WAS UNAWARE OF THE ROCK PILE UNTIL IT WAS TOO LATE. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1987_SEA87LA164.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.

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