# NTSB ANC85LA128: Cessna A-185F, N4611E, Portage, AK, July 17, 1985

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: July 16, 1985, 19:30 local (Jul 17, 1985, 03:30 UTC)
- Place: Portage, AK
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB office: Alaska Regional Office
- NTSB case key (mKey): 4525
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC85LA128
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/4525/pdf
- Page: https://openairdocs.org/ntsb/ANC85LA128

## Sequence of events

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

- Loss of engine power, descent - normal
- Nose over, landing - flare/touchdown
  - terrain condition - soft (cause)
  - airspeed - excessive, pilot in command (cause)
  - judgment - poor, pilot in command (contributing factor)

## Analysis

ACFT ATTEMPTED TO LAND ON INLET MUD FLATS & NOSED OVER FOLLOWING A REPORTED ROUGH RUNNING ENGINE.

## Aircraft

- Registration: [N4611E](https://openairdocs.org/aircraft/N4611E), registered now, S/N 18503813 (OpenAirDocs)
- Reported make and model: CESSNA A-185F
- 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
- Serial number: 03813
- Airframe hours: 570
- Engines: CONTINENTAL IO-520-D 285 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Robert D. Davidson
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, July 2, 1984, 142 hours before
- Departed: CROWN POINT, AK

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 30; private; airplane ratings: single-engine land; medical: unknown, unknown; seat: left; flight hours: 2,500 total, 663 in this make and model, 100 in the last 90 days, 3 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 90° at 10 knots
- Visibility: 60 statute miles
- Lowest ceiling: 8,000 ft overcast
- Temperature: 61 °F, dew point -0 °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 19850716031559A](https://openairdocs.org/incident/19850716031559A), Jul 16, 1985: Cessna A185F, Portage, AK, Substantial damage. Aircraft was landed on second attempt on mud flat and nosed over onto its back.

## Other investigations on N4611E (2)

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 ANC86LA165](https://openairdocs.org/ntsb/ANC86LA165), Sep 25, 1986: Cessna A185F (N4611E), Hanning Bay, AK, substantial damage
- [NTSB ANC80DAG35](https://openairdocs.org/ntsb/ANC80DAG35), Feb 16, 1980: Cessna 185 (N4611E), Iliamna, AK, substantial 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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