# NTSB ANC87LA007: Interstate S-1B1, N46243, Eureka Creek, AK, October 21, 1986

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Limited investigation · Final report
- Date: October 21, 1986, 11:00 local (19:00 UTC)
- Place: Eureka Creek, AK
- Location: 65.1759° N, 150.2205° W: Placed by OpenAirDocs at EUREKA CREEK (2Z2), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=65.1759&lon=-150.2205&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal
- Status: Completed
- Report: Approved by Office Director
- NTSB office: Alaska Regional Office
- NTSB case key (mKey): 4803
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC87LA007
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/4803/pdf
- Page: https://openairdocs.org/ntsb/ANC87LA007

## 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
  - in-flight planning/decision - improper, pilot in command (cause)
  - weather condition - crosswind (contributing factor)
  - weather condition - gusts (contributing factor)
  - airport facilities,runway/landing area condition - rough/uneven (contributing factor)
  - unsuitable terrain or takeoff/landing/taxi area - selected, pilot in command (cause)
  - self-induced pressure, pilot in command (contributing factor)
  - directional control - not maintained
  - ground loop/swerve - uncontrolled
- On ground/water collision with object, landing - roll

## Analysis

THE PILOT LOST CONTROL OF THE AIRCRAFT ON LANDING & IT COLLIDED WITH A LARGE METAL SLUICE BOX THAT WAS LOCATED BESIDE THE RUNWAY. AT THE TIME OF THE ACCIDENT, THE WIND WAS FROM THE NORTHEAST & WAS GUSTY. THE DIRT RUWAY WAS FROZEN, ROUGH &RUTTED.

## Aircraft

- Registration: [N46243](https://openairdocs.org/aircraft/N46243), registered now, S/N 162 (OpenAirDocs)
- Reported make and model: INTERSTATE S-1B1
- Registry model: [Interstate S-1B1](https://openairdocs.org/model/interstate-s-1b1) (registry code 1850302) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 162
- Engines: LYCOMING O-320-A2B 150 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Kevin Delbert Johnson
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, May 1, 1986
- Departed: NORTH POLE, AK
- Airport: 2Z2, Eureka Creek, runway 34, dirt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 25; private; airplane ratings: single-engine sea, single-engine land; medical: class 3, valid medical--no waivers/lim.; seat: front; flight hours: 109 total

## Weather

- Conditions: Visual (VMC), Day
- Visibility: 40 statute miles
- Lowest ceiling: none

## 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 19861021049509A](https://openairdocs.org/incident/19861021049509A), Oct 21, 1986: Arctic S1B1, Eureka Creek, AK, Substantial damage. Aircraft struck obstacle during go around. Pilot was inexperienced. Winds were reported strong and gusting.

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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