# NTSB ANC90LA015: Cessna 170B, N4396B, Chugiak, AK, November 25, 1989

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: November 25, 1989, 14:30 local (18:30 UTC)
- Place: Chugiak, AK
- Location: 61.3889° N, 149.4819° W: Placed by OpenAirDocs: center of Chugiak, AK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=61.3889&lon=-149.4819&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report July 9, 1990
- Report: Approved by Office Director
- NTSB office: Alaska Regional Office
- NTSB case key (mKey): 5325
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC90LA015
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/5325/pdf
- Page: https://openairdocs.org/ntsb/ANC90LA015

## Probable cause

THE STUDENT PILOT'S IMPROPER PLANNING/DECISION AND HIS DELAY IN INITIATING A GO-AROUND. CONTRIBUTING FACTORS WERE: THE STUDENT'S OVERCONFIDENCE IN HIS PERSONAL ABILITIES, HIS SELECTION OF THE WRONG RUNWAY, THE RESULTANT TAILWIND, AND ICY RUNWAY CONDITIONS.

## Sequence of events

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

- Overrun, landing - aborted
  - planning/decision - improper, pilot in command (cause)
  - overconfidence in personal ability, pilot in command (contributing factor)
  - wrong runway - selected, pilot in command (contributing factor)
  - weather condition - tailwind (contributing factor)
  - airport facilities,runway/landing area condition - icy (contributing factor)
  - aborted landing - delayed, pilot in command (cause)
- On ground/water encounter with terrain/water, landing - aborted
- Nose over, landing - aborted

## Aircraft

- Registration: [N4396B](https://openairdocs.org/aircraft/N4396B), registered now, S/N 26740, built 1955 (OpenAirDocs)
- Reported make and model: CESSNA 170B
- Registry model: [Cessna 170B](https://openairdocs.org/model/cessna-170b) (registry code 2072306) (OpenAirDocs)
- Registry engine: [Continental 0-300 series](https://openairdocs.org/engine/continental-0-300-series) (registry code 17022, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 26740
- Airframe hours: 1
- Engines: CONTINENTAL O-300 145 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: Nicky Hi Hon
- Registered owner: Nicky C. Hihon
- Airworthiness certificate: Standard, Normal
- Airport: Z15, Birchwood, runway 19, 4,010 × 100 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 35; student; airplane ratings: single-engine land; medical: class 3, valid medical--no waivers/lim.; seat: left; flight hours: 84 total, 81 in this make and model, 22 as pilot in command, 14 in the last 90 days, 2 in the last 30 days, 2 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 360° at 10 knots
- Visibility: 50 statute miles
- Lowest ceiling: none
- Temperature: 19 °F, dew point -0 °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 19891125046669A](https://openairdocs.org/incident/19891125046669A), Nov 25, 1989: Cessna 170B, Birchwood, AK, Substantial damage. Landed downwind and nosed aircraft over on the runway while trying to control aircraft and stop on the runway.

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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