# NTSB SEA84LA076: Lake LA-4, N6665L, Alderwood Manor, WA, April 3, 1984

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: April 2, 1984, 18:35 local (Apr 3, 1984, 02:35 UTC)
- Place: Alderwood Manor, WA
- Coordinates: 47.800083, -122.279685 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=47.8001&lon=-122.2797&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 39889
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA84LA076
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/39889/pdf
- Page: https://openairdocs.org/ntsb/SEA84LA076

## Sequence of events

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

- Hard landing, landing - flare/touchdown
  - flare - improper, pilot in command (cause)

## Analysis

ACCORDING TO A WITNESS, HE OBSERVED THE ACFT FROM TAXI TO TAKEOFF, THEN FROM BASE THROUGHOUT THE LANDING. HE OBSERVED THE ACFT WITH THE GEAR DOWN ON BASE LEG & SAID THE PLT FLEW A LOW & SHORT FINAL APCH. HE STATED THE PLT CUT POWER SHORT OF THE RWY & THE ACFT DROPPED IN FROM ABOUT 20 FT AGL. AFTER LANDING, THE ACFT VEERED LEFT & STOPPED FACING 180 DEG FROM THE DIRECTION OF LANDING WITH THE RIGHT MAIN GEAR COLLAPSED. ACCORDING TO THE PLT, A HYDRAULIC FITTING FAILED & ALL FLUID DRAINED IN FLT.

## Aircraft

- Registration: [N6665L](https://openairdocs.org/deregistered/N6665L-2014-10-31), registration cancelled 2014-10-31, S/N 428, built 1969 (OpenAirDocs)
- Reported make and model: LAKE LA-4
- Registry model: [Lake LA-4](https://openairdocs.org/model/lake-la-4) (registry code 5110302) (OpenAirDocs)
- Registry engine: [Lycoming O&VO-360 series](https://openairdocs.org/engine/lycoming-o-vo-360-series) (registry code 41514, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 428
- Engines: LYCOMING O-360-A1A 180 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Ralph Burnett
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, September 24, 1983
- Departed: S13, ALDERWOOD, WA
- Airport: S13, Martha Lake, runway 34, 1,700 × 40 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 59; private; airplane ratings: single-engine land; medical: class 2, expired; seat: left; flight hours: 29 in this make and model

## Weather

- Conditions: Visual (VMC), Day
- Wind: calm
- Visibility: 20 statute miles
- Lowest ceiling: none
- Temperature: 52 °F, dew point 39 °F
- Altimeter: 30.00 inHg
- Observed at: PAE, 8 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 19840402047889A](https://openairdocs.org/incident/19840402047889A), Apr 2, 1984: Conaer LA4, Alderwood Manor, WA, Substantial damage. Dropped the aircraft in from 20 feet AGL short of the runway. Impact collapsed the gear and other damage.

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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