Accident Piper PA-32R-300 Cherokee Lance N635BD, Wednesday 5 April 2023
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Date:Wednesday 5 April 2023
Time:21:37
Type:Silhouette image of generic P32R model; specific model in this crash may look slightly different    
Piper PA-32R-300 Cherokee Lance
Owner/operator:Private
Registration: N635BD
MSN: 32R-7680233
Year of manufacture:1976
Total airframe hrs:5307 hours
Engine model:Lycoming IO-540-K1G5
Fatalities:Fatalities: 4 / Occupants: 4
Other fatalities:0
Aircraft damage: Destroyed
Category:Accident
Location:near Venice Municipal Airport (VNC/KVNC), Venice, FL -   United States of America
Phase: Initial climb
Nature:Private
Departure airport:Venice Municipal Airport, FL (VNC/KVNC)
Destination airport:St Petersburg-Albert Whitted Airport, FL (KSPG)
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
On April 5, 2023, at 2137 eastern daylight time, a Piper PA-32R-300, N635BD, was destroyed when it was involved in an accident near Venice, Florida. The commercial pilot and three passengers were fatally injured. The airplane was operated as a Title 14 Code of Federal Regulations (CFR) Part 91 personal flight.

After flying into a coastal airport and having dinner, the instrument-rated commercial pilot conducted a night visual flight rules (VFR) departure over an oceanic basin. Witnesses reported seeing the airplane take off; shortly after takeoff, the airplane entered a right turn before it descended into the water.

ADS-B track data indicated that the airplane took off and climbed on the runway heading to an altitude of about 300 ft as it maintained a ground speed of about 103 knots. The airplane then began to turn to the right and began to descend. The last data depicted the airplane at 100 ft, with a ground speed of about 136 knots and a vertical descent rate of 3,008 feet per minute.

At the time of departure, dark night conditions prevailed, the winds were calm, and there was 10 miles of visibility with clear skies. Astronomical data indicated that, although the moon was full and moonrise had occurred, the moon was low on the eastern horizon, behind and to the left of the airplane, and there would not have been any visible horizon over the water.

Examination of the wreckage revealed no evidence of preimpact mechanical malfunctions or failures with the airplane or instruments. The airplane was equipped with an autopilot with an attitude recovery function; however, the autopilot was limited to operations over 500 ft above ground level which was about 200 ft higher than the airplane's peak altitude. The autopilot On/Off switch was found in the Off position.

Due to the pilot's heart disease, the pilot was at an increased risk of a sudden distracting, impairing, or incapacitating cardiac event, including angina, arrhythmia, or heart attack. However, there was no forensic evidence that such an event occurred. Ethanol was detected in the pilot's cavity blood at a very low level and was not detected in vitreous fluid. Some or all of the detected ethanol may have been from postmortem production. It is unlikely that ethanol effects contributed to the accident.

The pilot had diabetes and the postmortem vitreous level of glucose was elevated, as was the hemoglobin A1c (HbA1c). The pilot's elevated HbA1c was consistent with uncontrolled diabetes over the previous several months. Short-term effects of high blood sugar may include decreased cognitive performance, including slower informational processing speed and decreased executive function and attention. Chronic high blood glucose levels can lead to vision complications and an increased risk of cardiovascular disease. Whether the pilot's uncontrolled diabetes caused such symptoms or contributed to the accident could not be determined.

Based upon track, meteorological, and astronomical data, the pilot initiated a VFR flight into known dark night conditions, without a visible horizon, which would have prevented reliable control of the airplane using only external visual cues. The turning and rapidly descending flight track were consistent with a pilot who was experiencing spatial disorientation, which resulted in a loss of control in flight and an impact with water. The pilot's instrument and night currency could not be determined.

Probable Cause: The pilot's decision to initiate a visual flight rules flight into dark night conditions, which resulted in spatial disorientation during the initial climb and subsequent steep banking descent into water.

Accident investigation:
cover
  
Investigating agency: NTSB
Report number: ERA23FA181
Status: Investigation completed
Duration: 2 years 1 month
Download report: Final report

Sources:

NTSB ERA23FA181
https://data.ntsb.gov/Docket?ProjectID=107016
https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=635BD

Location

Images:


Photo: NTSB

Media:

Revision history:

Date/timeContributorUpdates
06-Apr-2023 04:07 Geno Added
16-May-2025 15:06 ASN Update Bot Updated [Time, Operator, Other fatalities, Source, Narrative, ]
01-Jun-2025 13:00 Captain Adam Updated [Time, Location, Source, Narrative, Photo, ]

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