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Narrative:The Beechcraft V35B Bonanza (registration N6658R) was in a shallow climb, heading southbound, in the vicinity of Warrenton, Virginia. The aircraft was operated under visual flight rules for the purposes of a biennial flight review. The Piper PA-28-140 (registration N23SC) was in level flight, also under visual flight rules, and was heading in a southeasterly direction. At 16:04:45 EDT, the aircraft collided approximately 1800 feet above sea level. The Beechcraft broke up in flight, and the pilot and flight instructor were fatally injured. There was a post-impact fire at the Beechcraft accident site. The pilot of the Piper, who was the sole occupant of the aircraft, conducted a forced landing in a pasture, approximately 6 nautical miles south of the Warrenton-Fauquier Airport. The pilot sustained injuries, which required examination at a local hospital.
Beechcraft V35B Bonanza
|C/n / msn:|| D-10323|
|Fatalities:||Fatalities: 2 / Occupants: 2|
|Airplane damage:|| Written off (damaged beyond repair)|
|Location:||5 miles S of Warrenton-Fauquier Airport - KHWY, VA -
United States of America
|Phase:|| En route|
The pilot/owner of the Beech was an employee of the NTSB, and the pilot/owner of the Piper was an employee of the Federal Aviation Administration (FAA). Under the provisions of Annex 13 to the Convention on International Civil Aviation and by mutual agreement, the United States delegated the accident investigation to the government of Canada. The NTSB designated an accredited representative to the investigation on behalf of the United States, and the FAA designated an advisor to the accredited representative.
Findings as to causes and contributing factors
1.Neither pilot saw the other aircraft in time to avert a mid-air collision, likely due to the inherent limitations of the see-and-avoid principle.
2.Following the receipt of a conflict alert, the controller assessed that there was no conflict between the 2 visual flight rules (VFR) aircraft and therefore did not issue an immediate safety alert. Subsequently, the controller was busy communicating with several instrument flight rules (IFR) aircraft, which precluded further monitoring of the 2 VFR aircraft.
Findings as to risk
1.In the absence of a means of alerting visual flight rules (VFR) pilots to potential conflicts to enhance the current see-and-avoid technique, the risk for mid-air collisions remains.
1.The lack of a shoulder harness in the Piper contributed to the pilotís injuries during the forced landing.
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