# NTSB ANC84LA191: Cessna 185, N1688Z, Mt Plummer, AK, September 21, 1984

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: September 21, 1984, 15:00 local (23:00 UTC)
- Place: Mt Plummer, AK
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (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): 4382
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC84LA191
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/4382/pdf
- Page: https://openairdocs.org/ntsb/ANC84LA191

## Sequence of events

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

- Loss of control - on ground/water, landing - roll
  - weather condition - crosswind (contributing factor)
  - compensation for wind conditions - inadequate, pilot in command (cause)
  - directional control - not maintained, pilot in command (cause)

## Analysis

THE PLT STATED THAT WHILE LANDING IN A CROSSWIND, HE GROUND LOOPED THE AIRPLANE. THE ACFT DEPARTED THE AIRSTRIP SURFACE AND ROLLED OFF THE MOUNTAINSIDE BACKWARD.

## Aircraft

- Registration: [N1688Z](https://openairdocs.org/aircraft/N1688Z), registered now, S/N 1850488 (OpenAirDocs)
- Reported make and model: CESSNA 185
- Registry model: [Cessna 185A](https://openairdocs.org/model/cessna-185a) (registry code 2072804) (OpenAirDocs)
- Registry engine: [Continental I0-470 series](https://openairdocs.org/engine/continental-i0-470-series) (registry code 17027, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 1850488
- Airframe hours: 7758
- Engines: CONTINENTAL IO-470-F 260 horsepower reciprocating
- Damage: Substantial damage
- Flight: Business, Part 91
- Registered owner: Kelly Vrem
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, April 29, 1984, 60 hours before
- Departed: KIPCHUK RIVER, AK
- Destination: MT PLUMMER, AK
- Flight plan: Company VFR
- Airport: runway 30, 2,000 × 60 ft, gravel

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 28; commercial; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: valid medical--no waivers/lim.; seat: left; flight hours: 2,308 total, 126 in this make and model, 2,308 as pilot in command, 125 in the last 90 days, 50 in the last 30 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 150° at 10 knots, gusting 19
- Visibility: 40 statute miles
- Lowest ceiling: none
- Temperature: 43 °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 19840921077079A](https://openairdocs.org/incident/19840921077079A), Sep 21, 1984: Cessna 185A, Mt Plummer, AK, Substantial damage. Ground looped landing on a mountain strip in a crosswind. Aircraft rolled off strip backwards and down mountainside.

## Other investigations on N1688Z (3)

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 ANC83LA185](https://openairdocs.org/ntsb/ANC83LA185), Sep 14, 1983: Cessna 185A (N1688Z), Aniak, AK, substantial damage
- [NTSB ANC81DA065](https://openairdocs.org/ntsb/ANC81DA065), Jun 19, 1981: Cessna 185 (N1688Z), Bethel, AK, minor damage
- [NTSB ANC72FAD02](https://openairdocs.org/ntsb/ANC72FAD02), Jan 7, 1972: Cessna 185A (N1688Z), Haines, 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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