DEHAVILLAND DHC-1 near Vonore, TN — 2014-03-23
- Date
- 2014-03-23
- Location
- Vonore, TN, USA
- Aircraft
- DEHAVILLAND DHC-1
- Registration
- N540FM
- Category
- Airplane
- Highest injury
- Fatal
- Fatalities
- 1
- Phase of flight
- Cruise
Probable cause
The pilot’s continued visual flight rules flight into instrument meteorological conditions, which resulted in controlled flight into terrain.
NTSB narrative
On the morning of the accident, the pilot contacted a flight service station for a weather briefing for a visual flight rules (VFR) flight from Wisconsin to Georgia. The briefer told the pilot that VFR flight was not recommended from southern Kentucky through Tennessee and into north Georgia. He also stated that there was an Airmet for mountain obscuration for the same area until 1400. Toward the conclusion of the briefing, the pilot indicated that he would probably spend the night in Kentucky. The pilot flew to Indiana, refueled, and departed about 1209. When the pilot did not arrive at his destination, a search was initiated, and the wreckage was found in mountainous terrain in the Cherokee National Forest. The aircraft heading at impact was toward the northwest (his destination was to the southeast). Damage to broken trees within the wreckage debris path was indicative of a near-level aircraft attitude at impact. Although the pilot had extensive experience in the accident airplane and was an airline pilot with a major air carrier, the airplane was not equipped for flight in instrument conditions. No distress calls were received from the pilot before the accident. An examination of the airframe and engine did not reveal evidence of a preexisting mechanical malfunction or failure. Although no eyewitnesses to the accident were found, one local resident reported that the mountain tops were obscured at the time of the accident. It is likely that the pilot attempted to cross the mountains below the cloud cover and, after he realized that he could not continue in visual conditions, he attempted to exit the weather, and the airplane impacted the mountain.
Analysis
- Primary failure mode
- VFR into IMC
- First missed decision gate
- Pilot should have heeded weather briefing and not continued flight into adverse conditions.
NTSB coding
Evidence available
- Photos
- 32 docket documents
Docket documents32
- FAA Formal Accident Package Excerptsform
- Release of Wreckage NTSB Form 6120.15form
- Certification of Party Representativeother
- Correspondence with FRH Airport Managerother
- Excerpt – Airframe Logbookother
- Excerpt – Engine Logbookother
- Fuel Recordother
- Record of Conversation - Tolsonother
- Weather Studyother
- Photo 1 - Main Wreckage (Photo Courtesy of Knox County Sheriff)photos
- Photo 10 - Right Side of Fuselage and Right Wing Inboard Sectionphotos
- Photo 11 - Outboard Section of Right Wingphotos
- Photo 12 - Right Wing Fragments and Right Main Landing Gearphotos
- Photo 13 - Cockpit Engine Controlsphotos
- Photo 14 - Aft Empennage and Tailwheelphotos
- Photo 15 - Left Horizontal Stabilizer and Elevatorphotos
- Photo 16 - Right Horizontal Stabilizer and Elevatorphotos
- Photo 17 - Vertical Stabilizer and Rudderphotos
- Photo 18 - Engine and Propellerphotos
- Photo 19 - Engine and Propellerphotos
- Photo 2 - Main Wreckage (Photo Courtesy of Knox County Sheriff)photos
- Photo 20 - Fuel Servophotos
- Photo 21 - Engine Spark Plugsphotos
- Photo 22 - Engine Fuel Injector Nozzlesphotos
- Photo 3 - Main Wreckage (Photo Courtesy of Knox County Sheriff)photos
- Photo 4 - Top Aft Fuselage and Empennage (Photo Courtesy of Knox County Sheriff)photos
- Photo 5 - Empennage (Photo Courtesy of Knox County Sheriff)photos
- Photo 6 - Damage to Tops of Trees (Photo Courtesy of Knox County Sheriff)photos
- Photo 7 - Left Side Fuselage and Left Wing Inboard Sectionphotos
- Photo 8 - Outboard Section of Left Wingphotos
- Photo 9 - Left Wing Fragmentsphotos
- Toxicology Reportreport
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