# NTSB ANC84LA158: Cessna 185, N9712H, Kenai, AK, September 1, 1984

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Limited investigation · Final report
- Date: August 31, 1984, 21:20 local (Sep 1, 1984, 05:20 UTC)
- Place: Kenai, AK
- Coordinates: 60.660419, -150.899429 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=60.6604&lon=-150.8994&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed
- Report: Approved by Office Director
- NTSB office: Alaska Regional Office
- NTSB case key (mKey): 4356
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC84LA158
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/4356/pdf
- Page: https://openairdocs.org/ntsb/ANC84LA158

## Sequence of events

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

- Airframe/component/system failure/malfunction, cruise - normal
  - fluid,oil - overtemperature (cause)
  - engine instruments,oil temperature gage - overtemperature (contributing factor)
  - engine assembly - vibration (contributing factor)
- In flight collision with terrain/water, landing - flare/touchdown
  - precautionary landing - performed, pilot in command (cause)

## Analysis

THE ACFT WAS DAMAGED IN AN OFF ARPT PRECAUTIONARY LANDING ATTER THE ENGINE BEGAN VIBRATING WITH THE OIL TEMPERATURE IN THE RED. THE PLT SAID HE TURNED OFF THE ELT TO CONSERVE THE BATTERY.

## Aircraft

- Registration: N9712H (not matched to a registry record)
- Reported make and model: CESSNA 185
- Category: Airplane
- Serial number: 18503464
- Airframe hours: 450
- Engines: CONTINENTAL IO-520-D 300 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Roy E. Benward
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, September 7, 1983, 220 hours before
- Departed: SOLDOTNA, AK

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 39; commercial; airplane ratings: single-engine land; instrument ratings: airplane; medical: class 2, valid medical--no waivers/lim.; seat: left; flight hours: 2,100 total, 275 in this make and model, 2,000 as pilot in command, 36 in the last 90 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Night/dark
- Wind: calm
- Visibility: 60 statute miles
- Lowest ceiling: none
- Temperature: 57 °F, dew point 45 °F

## 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 19840831049849A](https://openairdocs.org/incident/19840831049849A), Aug 31, 1984: Cessna A185F, Kenai, AK, Substantial damage. Reported rough and overheated engine caused a night precautionary crash landing. Tested positive for blood alcohol.

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.