# NTSB NYC86FA201: Aero Commander 680FL, N6341U, Duxsbury, VT, August 8, 1986

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Field investigation · Final report
- Date: August 8, 1986, 08:00 local (12:00 UTC)
- Place: Duxsbury, VT
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 30198
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC86FA201
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/30198/pdf
- Page: https://openairdocs.org/ntsb/NYC86FA201

## Sequence of events

In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf).

- In flight collision with terrain/water, cruise
  - vfr flight into imc - performed, pilot in command (cause)
  - terrain condition - mountainous/hilly (contributing factor)
  - clearance - inadequate, pilot in command (cause)
  - weather condition - obscuration (contributing factor)

## Analysis

THE PLT WAS ON A VFR FLIGHT FROM MONTPELIER, VT TO BURLINGTON, VT; A DISTANCE OF ABOUT 80 MIS. A MOUNTAIN RANGE IS BETWEEN THE TWO LOCATION. SHORTLY AFTER TAKEOFF THE PLT RADIOED BURLINGTON APPROACH CONTROL AND REQUESTED AN IFR CLEARANCE TO LAND AT BURLINGTON. HE REPORTED THAT HE WAS 10 MILES NW OF MONTPELIER. THE PLT WAS ASSIGNED A TRANSPONDER CODE. THE AIR TRAFFIC CONTROLLER THEN NOTICED THAT THE ACFT WAS NEAR A MOUNTAIN AT A UNVERIFIED ALTITUDE OF 3500 FT. THE CONTROLLER ALERTED THE PLT THAT HE WAS 2 MILES SOUTH OF A 4393 FT HIGH MOUNTAIN. THERE WAS NO RESPONSE FROM THE PLT. THE ACFT COLLIDED WITH THE EAST SIDE OF ETHAN ALLEN AT A HEIGHT OF 3580 FT. THE ACFT WAS ON A NORTHWEST HEADING AT IMPACT. VFR CONDITIONS OF 3800 FT BROKEN AND 4000 FT SCATTERED EXISTED AT THE TIME.

## Aircraft

- Registration: [N6341U](https://openairdocs.org/deregistered/N6341U-1989-01-26), registration cancelled 1989-01-26, S/N 137447 (OpenAirDocs)
- Reported make and model: AERO COMMANDER 680FL
- Registry model: [Aero Commander 680FL](https://openairdocs.org/model/aero-commander-680fl) (registry code 0141608) (OpenAirDocs)
- Category: Airplane
- Serial number: 137947
- Airframe hours: 8072
- Engines: LYCOMING IGSO-540-B1A 380 horsepower reciprocating
- Damage: Destroyed
- Flight: Part 135
- Operator: Air Parcel Express
- Registered owner: Inter American Leasing
- Last inspection: 100 hour, June 4, 1986, 72 hours before
- Departed: MPV, MONTPELIER, VT
- Destination: BTV, BURLINGTON, VT
- Airport: BTV, Burlington International

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 23; commercial; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: unknown, unknown; seat: left; toxicology performed; flight hours: 2,428 total, 53 in this make and model, 2,346 as pilot in command

## Weather

- Conditions: Visual (VMC), Day
- Observed at: BTV

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19860808038499A](https://openairdocs.org/incident/19860808038499A), Aug 8, 1986: Gulstm 680FL, Burlington, VT, Destroyed, 1 fatal. Struck trees on mountainside. Had just filed IFR. ATC warned pilot of high terrain. Indicates mountains obscured.

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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