# NTSB SEA79FYE41: Cessna A185F, N9533H, Renton, WA, August 28, 1979

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 28, 1979
- Place: Renton, WA · RENTON, WA
- Location: 47.4795° N, 122.1949° W: Placed by OpenAirDocs: center of Renton, WA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=47.4795&lon=-122.1949&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report February 11, 1980
- Report: Brief approved by the director
- NTSB case key (mKey): 133869
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA79FYE41
- Page: https://openairdocs.org/ntsb/SEA79FYE41

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3757  79/8/28    RENTON,WA           CESSNA A185F        CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 49, 4400
        TIME - 1800                    N9533H              PX-  0  0  2  BUSINESS                  TOTAL HOURS, UNK/NR IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - LAKE WASHINGTON
        DEPARTURE POINT             INTENDED DESTINATION
         UNKNOWN/NOT REPORTED        UNKNOWN/NOT REPORTED
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            LANDING: TRAFFIC PATTERN-CIRCLING
           COLLIDED WITH: TREES                                     LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           POWERPLANT - MISCELLANEOUS: POWERPLANT FAILURE FOR UNDETERMINED REASONS
        FACTOR(S)
           TERRAIN - HIGH OBSTRUCTIONS
           MISCELLANEOUS ACTS,CONDITIONS - STOLEN OR UNAUTH=
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- FLOAT EQUIPPED. UNAUTHORIZED USE OF AIRCRAFT. LND IN CITY PARK.
```

## Aircraft

- Registration: [N9533H](https://openairdocs.org/aircraft/N9533H), registered now, S/N 18503446, built 1977 (OpenAirDocs)
- Reported make and model: CESSNA A185F
- Registry model: [Cessna A185F](https://openairdocs.org/model/cessna-a185f) (registry code 2072821) (OpenAirDocs)
- Registry engine: [Continental IO-520 series](https://openairdocs.org/engine/continental-io-520-series) (registry code 17032, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Lake Washington

## 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 19790828023889A](https://openairdocs.org/incident/19790828023889A), Aug 28, 1979: Cessna A185F, Renton, WA, Substantial damage. Pilot reported engine failed in pattern for water landing. Hit trees. No engine defects. Pilot not seaplane rated.

## Other investigations on N9533H (1)

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.

- [NTSB WPR25LA047](https://openairdocs.org/ntsb/WPR25LA047), Nov 23, 2024: Cessna A185F (N9533H), Lewistown, MT, substantial damage. Probable cause: The pilot’s inadvertent impact with a rock during a landing on a grass 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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