# NTSB BFO92LA056: Cessna 150, N27395, Warren, VT, May 10, 1992

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: May 10, 1992, 14:30 local (18:30 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 June 30, 1993
- Report: Approved by Office Director
- NTSB case key (mKey): 11782
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=BFO92LA056
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/11782/pdf
- Page: https://openairdocs.org/ntsb/BFO92LA056

## Probable cause

THE PILOT'S FAILURE TO SELECT A SAFE ALTITUDE FOR FLIGHT IN MOUNTAINOUS TERRAIN. THE DOWNDRAFT WAS A FACTOR.

## Sequence of events

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

- Altitude deviation,uncontrolled, cruise
  - weather condition - downdraft (contributing factor)
  - proper altitude - not selected, pilot in command (cause)
- In flight collision with terrain/water, cruise
  - terrain condition - mountainous/hilly
  - stall/mush - intentional, pilot in command

## Analysis

WHILE CRUISING APPROXIMATELY 1,000 FEET ABOVE TREE TOPS AND BETWEEN TWO MOUNTAINS, THE AIRPLANE ENCOUNTERED A DOWNDRAFT.  THE PILOT SAID REGARDLESS OF SURFACE CONTROL INPUT, HE COULD NOT MAKE THE AIRPLANE ASCEND.  HE TRIED TO MANEUVER THE AIRPLANE INTO SAFER AIR SPACE, BUT THERE WAS NONE.  THE PILOT SAID HE THEN SLOWED THE AIRPLANE DOWN AS MUCH AS POSSIBLE AND STALLED IT INTO THE TREE TOPS.  THE AIRPLANE 'MUSHED' INTO THE TREES AND CAME TO REST UPRIGHT SUSPENDED ABOVE THE GROUND.

## Aircraft

- Registration: N27395 (not matched to a registry record)
- Reported make and model: CESSNA 150
- Category: Airplane
- Serial number: 15066639
- Airframe hours: 4061
- Engines: CONTINENTAL O-200-A 100 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: Robert Milne
- Registered owner: Robert Milne
- Airworthiness certificate: Standard, Utility
- Last inspection: Annual, May 24, 1991, 621 hours before
- Destination: MHT, MANCHESTER, NH

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 27; private; airplane ratings: single-engine land; medical: class 3, valid medical--no waivers/lim.; seat: left; flight hours: 137 total, 80 in this make and model, 137 as pilot in command, 4 in the last 90 days, 1 in the last 30 days

## Weather

- Conditions: Visual (VMC), Day
- Wind: calm
- Visibility: 15 statute miles
- Lowest ceiling: 8,000 ft broken
- Temperature: 68 °F, dew point 52 °F
- Altimeter: 30.00 inHg
- Observed at: BTV, 1 nm away

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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