# NTSB ANC88LA024: Cessna 150D, N4379U, Chugiak, AK, January 13, 1988

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: January 13, 1988, 11:30 local (15:30 UTC)
- Place: Chugiak, AK
- Coordinates: 56.30075, -158.359222 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=56.3008&lon=-158.3592&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report March 30, 1989
- Report: Approved by Office Director
- NTSB office: Alaska Regional Office
- NTSB case key (mKey): 4979
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC88LA024
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/4979/pdf
- Page: https://openairdocs.org/ntsb/ANC88LA024

## Analysis

THE FLIGHT INSTRUCTOR STATED THE STUDENT LANDED BACK ON THE RUNWAY AFTER A PRACTICE ENGINE FAILURE; AT THAT POINT THE FLIGHT INSTRUCTOR REALIZED HOW SLICK THE RUNWAY WAS AND THE AIRCRAFT EXITED THE DEPARTURE END OF THE RUNWAY INTO A SNOW BANK.

## Sequence of events

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

- Overrun, landing - flare/touchdown
  - terrain condition - icy (contributing factor)
  - supervision - inadequate, pilot in command(cfi) (cause)
  - emergency procedure - simulated, pilot in command(cfi) (contributing factor)
- On ground/water encounter with terrain/water, landing - roll
  - terrain condition - snowbank (contributing factor)
- Nose over, landing - roll

## Aircraft

- Registration: [N4379U](https://openairdocs.org/deregistered/N4379U-1990-09-07), registration cancelled 1990-09-07, S/N 15060379 (OpenAirDocs)
- Reported make and model: CESSNA 150D
- Registry model: [Cessna 150D](https://openairdocs.org/model/cessna-150d) (registry code 2071810) (OpenAirDocs)
- Category: Airplane
- Serial number: 15060379
- Airframe hours: 1926
- Engines: CONTINENTAL O-200 100 horsepower reciprocating
- Damage: Substantial damage
- Flight: Instructional, Part 91
- Operator: Ptarmigan Aviation
- Registered owner: Donald Baer
- Airworthiness certificate: Standard, Normal
- Last inspection: 100 hour, August 3, 1987, 30 hours before
- Airport: Z15, Birchwood, runway 1, 4,000 × 100 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 39; flight instructor, commercial; airplane ratings: single-engine land; instrument ratings: airplane; medical: class 2, valid medical--no waivers/lim.; seat: right; flight hours: 1,706 total, 452 in this make and model, 1,514 as pilot in command, 89 in the last 90 days, 45 in the last 30 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: calm
- Visibility: 90 statute miles
- Lowest ceiling: 8,000 ft overcast
- Temperature: 23 °F, dew point 19 °F
- Altimeter: 30.00 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 19880113000489A](https://openairdocs.org/incident/19880113000489A), Jan 13, 1988: Cessna 150D, Birchwood, AK, Substantial damage. CFI gave student an engine out on takeoff. Landed on runway but unable to stop on icy runway,slid off, nosed over.

## Other investigations on N4379U (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 ANC71DAG43](https://openairdocs.org/ntsb/ANC71DAG43), Oct 22, 1970: Cessna 150 (N4379U), Anchor Point, AK, substantial damage
- [NTSB UNK64X2927](https://openairdocs.org/ntsb/UNK64X2927), Jul 19, 1964: Cessna 310B (N4379U), Grand Rapids, MN, 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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