Casualties unknown

2001-12-13: Ryan NAVION A (N4530K) — Sierra Blanca, TX

Sierra Blanca, TX, US

On December 13, 2001, a Ryan NAVION A (registration N4530K) was involved in an aviation accident near Sierra Blanca, TX. Investigators recorded the probable cause as: the pilot's inadverent VFR flight into instrument meteorological weather conditions which resulted in an in-flight collision with terrain. Contributing factors were the night light conditions and the clouds. 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

A pilot flying at night under visual flight rules encountered clouds and, while maneuvering to exit, the aircraft struck terrain at approximately 5,000 feet msl. A helicopter response was suspended due to a snowstorm.

Overview

According to the pilot, while en route under night visual flight rules (VFR), the flight encountered clouds. During a maneuver to fly out of the clouds, the airplane impacted the terrain at an estimated elevation of 5,000 feet msl.

Background

Prior to departure, while sitting in the aircraft, the pilot obtained a weather briefing for a VFR flight. The pilot stated his intended cruising altitude would be 6,000 feet, with the possibility of climbing to 9,000 or 10,000 feet.

Weather Information

During the briefing, the briefer stated there was an AIRMET for rime icing along the route of flight, to which the pilot responded, "I will be VFR, I will not be in the clouds." The destination extended forecast reported visibility of 6 plus statute miles, occasional 3 statute miles visibility, light snow showers, few clouds at 3,000 feet, and ceilings at 5,000 feet broken and 12,000 feet overcast.

Aftermath

A helicopter attempted to respond to the accident location; however, a snowstorm suspended their efforts.

Investigation

The accident remains under investigation. No other information has been provided by the source.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20011219X02419. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.