Casualties unknown

Helicopter Impacts Terrain During Course Reversal in Dark Night Conditions (N901SF)

Crows Landing, CA, US

On January 12, 2000, an Arrow Aircraft Co. OH-58A (registration N901SF) was involved in an aviation accident near Crows Landing, CA. Investigators recorded the probable cause as: The failure of the pilot to maintain altitude and clearance from terrain during a turn to reverse direction after encountering instrument meteorological conditions. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive.

Sourcesthe U.S. National Transportation Safety Board (NTSB) historical archivePrimary reportUpdated 2026-07-04Data APIEditorial standards

A helicopter impacted terrain while reversing course in an unlit area on a dark night with marginal VFR weather. The pilot had an abbreviated preflight weather briefing and declined to receive forecasts indicating low ceilings, poor visibility, and instrument conditions.

Incident Overview

A helicopter impacted terrain while reversing course in an unlit area during a dark night with marginal visual flight rules (VFR) weather conditions.

Preflight Weather Briefing

Prior to the flight, the pilot received an abbreviated preflight weather briefing. During this briefing, the pilot did not request to receive the area forecast, which had forecast cloud ceilings below 1,000 feet above ground level and visibilities less than 3 statute miles in precipitation, fog, and mist along the intended route. Additionally, the pilot declined to hear an airman's meteorological information (AIRMET) that forecast areas of instrument flight conditions and mountain obscuration along the route of flight. The briefer advised the pilot that VFR flight was not recommended.

Accident Circumstances

The accident occurred when the helicopter was reversing course. The location was an unlit area, and the time was a dark night. The weather at the time was described as marginal VFR.

Frequently asked questions

What happened in the 12 Jan 2000 Arrow Aircraft Co. OH-58A accident near Crows Landing, CA?

A helicopter impacted terrain while reversing course in an unlit area on a dark night with marginal VFR weather. The pilot had an abbreviated preflight weather briefing and declined to receive forecasts indicating low ceilings, poor visibility, and instrument conditions.

What aircraft was involved and where did it happen?

The accident on 12 Jan 2000 involved an Arrow Aircraft Co. OH-58A, registration N901SF, at Crows Landing, CA.

What was the probable cause of the accident?

The failure of the pilot to maintain altitude and clearance from terrain during a turn to reverse direction after encountering instrument meteorological conditions. A factor in the accident was the pilot's failure to obtain a full weather briefing before departure which accurately forecast the conditions encountered.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001212X20381. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.