# NTSB SEA88LA149: Cessna 152, N67992, Yoncalla, OR, August 8, 1988

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: August 8, 1988, 11:00 local (18:00 UTC)
- Place: Yoncalla, OR
- Coordinates: 43.569602, -123.14048 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=43.5696&lon=-123.1405&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report September 25, 1989
- Report: Approved by Office Director
- NTSB case key (mKey): 40863
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA88LA149
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/40863/pdf
- Page: https://openairdocs.org/ntsb/SEA88LA149

## Sequence of events

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

- Loss of engine power(partial) - nonmechanical, cruise - normal
  - carburetor heat - not selected, pilot in command (cause)
  - lack of total experience, pilot in command (contributing factor)
  - weather condition - carburetor icing conditions (contributing factor)
  - fuel system,carburetor - ice (cause)
- Forced landing, descent - emergency
- On ground/water collision with object, landing - roll
  - object - fence (contributing factor)

## Analysis

STUDENT PLT WAS AT 8500 FT CRZ WHEN PWR LOSS OCCURRED. FORCED LNDG MADE IN OPEN FIELD WHERE ACFT COLLIDED WITH FENCE ON LNDG ROLL. ENGINE RAN NORMALLY POST-MISHAP. FUEL SAMPLE CLEAR OF WATER OR OTHER CONTAMINANT. PLT DID NOT USE CARB HEAT WHEN PWR LOSS OCCURRED. SURFACE TEMP/DP = 70/53 DEG. CONDS CONDUCIVE TO POSS CARB ICE.

## Aircraft

- Registration: [N67992](https://openairdocs.org/deregistered/N67992-1991-04-26), registration cancelled 1991-04-26, S/N 15282125 (OpenAirDocs)
- Reported make and model: CESSNA 152
- Registry model: [Cessna 152](https://openairdocs.org/model/cessna-152) (registry code 2071835) (OpenAirDocs)
- Category: Airplane
- Serial number: 15282125
- Airframe hours: 3182
- Engines: LYCOMING O-235-L2C 115 horsepower reciprocating
- Damage: Substantial damage
- Flight: Instructional, Part 91
- Operator: Montague Aviation
- Registered owner: Terry M Weathers
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, March 15, 1988, 178 hours before
- Departed: S12, ALBANY, OR
- Destination: 105, MONTAGUE, CA
- Flight plan: VFR

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 38; student; medical: class 3, valid medical--w/ waivers/lim; seat: left; flight hours: 45 total, 45 in this make and model, 10 as pilot in command, 24 in the last 90 days, 16 in the last 30 days, 2 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 10° at 9 knots
- Visibility: 30 statute miles
- Lowest ceiling: none
- Temperature: 70 °F, dew point 54 °F
- Altimeter: 30.00 inHg
- Observed at: EUG, 30 nm away

## 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 19880808031489A](https://openairdocs.org/incident/19880808031489A), Aug 8, 1988: Cessna 152, Yoncalla, OR, Substantial damage. Collided with a fence while landing in an open field after engine quit. Had failed to timely use carburetor heat.

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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