# NTSB NYC84LA203: Cessna 150K, N5737G, Warren, VT, June 6, 1984

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: June 6, 1984, 14:55 local (18:55 UTC)
- Place: Warren, VT
- Location: 44.1120° N, 72.8559° W: Placed by OpenAirDocs: center of Warren, VT, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=44.1120&lon=-72.8559&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 35676
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC84LA203
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/35676/pdf
- Page: https://openairdocs.org/ntsb/NYC84LA203

## Sequence of events

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

- Altitude deviation,uncontrolled, cruise
  - preflight planning/preparation - inadequate, pilot in command (cause)
  - altitude - inadequate, pilot in command (cause)
  - weather condition - mountain wave
  - compensation for wind conditions - improper, pilot in command (cause)
- In flight collision with object, descent - uncontrolled
  - object - tree(s)

## Analysis

THE PLT STATED THAT WHILE CROSSING A MOUNTAIN RIDGE A MOUNTAIN WAVE WAS ENCOUNTERD WHICH RESULTED IN A 1000 FPM SINK RATE. THE PLT STATED THIS SINK RATE INCREASED WHEN A TURN WAS MADE TO PARALLEL THE RIDGE. THE ACFT SETTLED INTO TREES.

## Aircraft

- Registration: N5737G (not matched to a registry record)
- Reported make and model: CESSNA 150K
- Category: Airplane
- Serial number: 15071237
- Airframe hours: 4020
- Engines: CONTINENTAL O-200 100 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Steven J. Maynard
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, June 6, 1984
- Departed: 0B7, WARREN, VT
- Destination: POCONA, PA
- Flight plan: VFR

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 53; airline transport, commercial; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 1, valid medical--w/ waivers/lim; flight hours: 23,000 total, 127 in this make and model, 125 as pilot in command, 95 in the last 90 days, 4 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 220° at 15 knots
- Visibility: 10 statute miles
- Lowest ceiling: none
- Temperature: 81 °F

## 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 19840606025179A](https://openairdocs.org/incident/19840606025179A), Jun 6, 1984: Cessna 150K, Warren, VT, Substantial damage. Aircraft caught in severe downdraft and pilot was unable to avoid crashing into trees.

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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