# NTSB ANC88LA026: Cessna 172, N9974V, Iliamna, AK, January 17, 1988

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Limited investigation · Final report
- Date: January 17, 1988, 18:35 local (22:35 UTC)
- Place: Iliamna, AK
- Coordinates: 59.850086, -154.560317 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=59.8501&lon=-154.5603&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious, 2 minor
- Status: Completed, report March 30, 1989
- Report: Approved by Office Director
- NTSB office: Alaska Regional Office
- NTSB case key (mKey): 4981
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC88LA026
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/4981/pdf
- Page: https://openairdocs.org/ntsb/ANC88LA026

## Sequence of events

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

- Loss of control - in flight, maneuvering
  - weather condition - fog (contributing factor)
  - weather condition - icing conditions (contributing factor)
  - flight into known adverse weather - continued, pilot in command (cause)
  - weather condition - low ceiling (contributing factor)
  - in-flight planning/decision - improper, pilot in command (cause)
  - weather condition - whiteout (contributing factor)
  - light condition - dark night (contributing factor)
  - spatial disorientation, pilot in command (cause)
- In flight collision with terrain/water, descent - uncontrolled

## Analysis

THE PILOT WAS MANEUVERING AT LOW ALTITUDE IN LOW VISIBILITY WHEN HE ENCOUNTERED A COMPLETE WHITE-OUT CONDITION. THE PILOT LOST CONTROL IN FLIGHT AND CRASHED ON A FROZEN LAKE.

## Aircraft

- Registration: [N9974V](https://openairdocs.org/deregistered/N9974V-1991-05-03), registration cancelled 1991-05-03, S/N 17264592 (OpenAirDocs)
- Reported make and model: CESSNA 172
- Registry model: [Cessna 172M](https://openairdocs.org/model/cessna-172m) (registry code 2072418) (OpenAirDocs)
- Category: Airplane
- Serial number: 17264592
- Engines: LYCOMING O-320-E2D 150 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: Harvey G. Anelon
- Registered owner: Harvey G. Anelon
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, January 14, 1988, 2 hours before
- Departed: ITG, IGIUGIG, AK

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 26; private; airplane ratings: single-engine land; medical: class 3, unknown; seat: left; flight hours: 120 total, 120 in this make and model, 60 as pilot in command, 100 in the last 90 days, 4 in the last 30 days, 2 in the last 24 hours

## Weather

- Conditions: Instrument (IMC), Night/dark
- Wind: calm
- Lowest ceiling: 300 ft
- Temperature: 30 °F, dew point 30 °F
- Altimeter: 29.00 inHg

## 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 19880117000829A](https://openairdocs.org/incident/19880117000829A), Jan 17, 1988: Cessna 172M, Iliamna, AK, Substantial damage. Crashed onto a frozen lake after encountering whiteout conditions.

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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