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DEN90LA047

1990-01-19 · BROOMFIELD, Colorado, United States · None · 1 aircraft · Status: Completed

Airport BJC

Current FAA registration · N99SR

Make / Model
MITSUBISHI MU-2B-25
Year of manufacture
1974 · 16 years old at event
Engine
AIRESEARCH TPE331 SERIES (904 hp)
Seats / Engines
10 seats · 2 engines
Last airworthiness date
19741212
ADS-B equipped
Yes — Mode-S ADD1EA

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

Probable cause & findings

LOSS OF DIRECTIONAL CONTROL BY THE PILOT, DURING TAKEOFF GROUND RUN. CONTRIBUTING TO THIS ACCIDENT WERE A LOSS OF POWER ON THE LEFT ENGINE DUE TO SNOW INGESTION, HEAVY SNOW SHOWERS IN PROGRESS AND AN ICY, SNOW COVERED RUNWAY.

Factual narrative

THE PILOT SAID THAT DURING TAKEOFF GROUND ROLL, THE LEFT ENGINE LOST RPM. THE PILOT LOST DIRECTIONAL CONTROL AND THE PLANE DEPARTED THE LEFT SIDE OF THE RUNWAY. THE PLANE STRUCK A RUNWAY SIGN AND 2 RUNWAY LIGHTS. IT THEN SKIDDED SIDEWAYS FOR 3000 FEET, CROSSED THE RUNWAY AND NOSED DOWN IN A DITCH. THERE WERE HEAVY SNOW SHOWERS IN PROGRESS AT THE TIME OF THE ACDNT AND THE RUNWAY WAS COVERED BY SNOW. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1990_DEN90LA047.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.

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