# NTSB ANC84LA049: Cessna 206, N756XB, Mcgrath, AK, March 29, 1984

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Limited investigation · Final report
- Date: March 29, 1984, 07:45 local (11:45 UTC)
- Place: Mcgrath, AK
- Coordinates: 63.610527, -154.780258 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=63.6105&lon=-154.7803&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious, 5 minor
- Status: Completed
- Report: Approved by Office Director
- NTSB office: Alaska Regional Office
- NTSB case key (mKey): 4277
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC84LA049
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/4277/pdf
- Page: https://openairdocs.org/ntsb/ANC84LA049

## Sequence of events

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

- In flight encounter with weather, maneuvering - turn to reverse direction
  - planning/decision - improper, pilot in command (cause)
  - weather condition - low ceiling (contributing factor)
  - weather condition - fog (contributing factor)
  - weather condition - snow (contributing factor)
  - vfr flight into imc - inadvertent, pilot in command (cause)
  - delayed, pilot in command (cause)
  - weather condition - whiteout (contributing factor)
- In flight collision with terrain/water, descent
  - terrain condition - snow covered (contributing factor)
  - clearance - not maintained, pilot in command
  - visual/aural detection, pilot in command (contributing factor)

## Analysis

ACCORDING TO THE PLT, HE FLEW OVER A FROZEN LAKE, THEN ENCOUNTERED REDUCED VISIBILITY DOWN TO ABOUT 1/8 MI. HE MADE A 180 DEG TURN, BUT LOST ALL REFERECNE TO THE TERRAIN DURING THE TURN. SHORTLY AFTER COMPLETING THE TURN, HE WAS PROCEEDING EASTBOUND & WAS SLOWING THE ACFT WHEN IT IMPACTED THE SURFACE, THEN SLID ABOUT 100 FT & CAME TO REST. THE PLT STATED THAT HE HAD ENCOUNTERED A WHITEOUT CONDITION.

## Aircraft

- Registration: [N756XB](https://openairdocs.org/deregistered/N756XB-1989-01-12), registration cancelled 1989-01-12, S/N U20604429 (OpenAirDocs)
- Reported make and model: CESSNA 206
- Registry model: [Cessna U206G](https://openairdocs.org/model/cessna-u206g) (registry code 2073356) (OpenAirDocs)
- Category: Airplane
- Serial number: U206604427
- Engines: CONTINENTAL IO-520-A 285 horsepower reciprocating
- Damage: Destroyed
- Flight: Personal, Part 91
- Registered owner: Nick P. Mellick
- Airworthiness certificate: Standard, Utility
- Departed: MRI, ANCHORAGE, AK
- Destination: SLEETMUTE, AK

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 25; private; airplane ratings: single-engine land, single-engine sea; medical: class 2, expired; seat: left; flight hours: 70 in the last 90 days, 45 in the last 30 days, 4 in the last 24 hours

## Weather

- Conditions: Instrument (IMC), Day
- Wind: calm
- Lowest ceiling: 200 ft
- Temperature: 32 °F, dew point 30 °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 19840329009049A](https://openairdocs.org/incident/19840329009049A), Mar 29, 1984: Cessna U206G, Mcgrath, AK, Destroyed. Encountered whiteout conditions trying to negotiate a mountain pass in fog and snow. Struck mountain making a 180.

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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