Casualties unknown

2003-09-02: Mooney M20K (N252AK) — Novato, CA

Novato, CA, US

On September 2, 2003, a Mooney M20K (registration N252AK) was involved in an aviation accident near Novato, CA. Investigators recorded the probable cause as: The pilot's decision to attempt VFR flight into instrument meteorological conditions during the dark early morning takeoff, which resulted in spatial disorientation and lead to a collision with trees off the departure end of the runway. 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 1781061362Data APIEditorial standards

During early morning climb-out, a pilot flying VFR lost visual reference due to darkness and lack of horizon. After activating autopilot and encountering a stall warning, the airplane collided with trees. Witnesses reported 1/8-mile visibility and 100-foot overcast.

Accident Overview

During the initial climb-out after departure, the airplane collided with trees off the departure end of the runway. The pilot had filed an Instrument Flight Rules (IFR) flight plan but decided to conduct the flight under Visual Flight Rules (VFR) to the destination. The pilot indicated that it was still dark outside for the early morning flight.

Pilot Account

The pilot stated that during the initial climb-out, he lost visual reference with the ground due to a lack of ground lights and a visible horizon. He activated the autopilot; however, the airplane was not climbing as expected. While trying to determine the problem, the stall warning activated. He disengaged the autopilot and attempted to lower the nose. The airplane simultaneously collided with trees.

Weather Conditions

Weather at the accident site at the time of the accident was reported by witnesses to be 1/8-mile visibility with overcast clouds at 100 feet.

Additional Information

The pilot stated that there were no mechanical anomalies noted with the airplane. According to the US Naval Observatory, sunrise for the date and location of the accident was at 0541.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20030909X01499. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.