# NTSB SEA88LA025: Piper PA-22-108, N4523Z, Cornelius, OR, November 27, 1987

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: November 27, 1987, 11:30 local (19:30 UTC)
- Place: Cornelius, OR
- Coordinates: 45.519313, -123.040748 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=45.5193&lon=-123.0407&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report December 27, 1988
- Report: Approved by Office Director
- NTSB case key (mKey): 40761
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA88LA025
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/40761/pdf
- Page: https://openairdocs.org/ntsb/SEA88LA025

## Sequence of events

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

- In flight collision with object, approach - vfr pattern - final approach
  - object - wire,static(marked) (contributing factor)
  - clearance - not maintained, pilot in command (cause)
- In flight collision with object, descent - emergency
  - object - tree(s) (contributing factor)
- In flight collision with terrain/water, descent - uncontrolled

## Analysis

THE PILOT WAS ATTEMPTING TO LAND IN A FIELD NEAR A FARMHOUSE. ON FINAL APPROACH THE PILOT CLEARED LARGE POWER LINES, BUT HAD NOT SEEN SMALL POWER LINES AHEAD AND BELOW THE AIRCRAFT. THE AIRCRAFT STRUCK THE POWER LINES IN FLIGHT WITH THE NOSE GEAR. THE AIRCRAFT DESCENDED ONTO THE GROUND STRIKING A SMALL TREE BEFORE COMING TO REST ON THE GROUND.

## Aircraft

- Registration: [N4523Z](https://openairdocs.org/deregistered/N4523Z-2018-01-24), registration cancelled 2018-01-24, S/N 22-8025, built 1960 (OpenAirDocs)
- Reported make and model: PIPER PA-22-108
- Registry model: [Piper PA-22-108](https://openairdocs.org/model/piper-pa-22-108) (registry code 7102204) (OpenAirDocs)
- Registry engine: [Lycoming 0-235 series](https://openairdocs.org/engine/lycoming-0-235-series) (registry code 41505, 4 cycle) (OpenAirDocs)
- Category: Airplane
- Serial number: 22-8025
- Airframe hours: 1850
- Engines: LYCOMING O-235-G1R 108 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Michael E. Sanderson
- Airworthiness certificate: Standard, Utility; Standard, Normal

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 27; student; airplane ratings: single-engine land; medical: class 3, valid medical--no waivers/lim.; seat: left; toxicology performed; flight hours: 200 total, 200 in this make and model, 200 as pilot in command

## Weather

- Conditions: Visual (VMC), Day
- Wind: calm
- Visibility: 70 statute miles
- Lowest ceiling: none

## 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 19871127068639A](https://openairdocs.org/incident/19871127068639A), Nov 27, 1987: Piper PA22108, Cornelius, OR, Substantial damage. Struck wires and a tree trying to land on a farm strip.

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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