# NTSB ANC84FA157: Artic S-1B2, N62AT, Clam Gulch, AK, September 4, 1984

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Field investigation · Final report
- Date: September 4, 1984, 14:45 local (22:45 UTC)
- Place: Clam Gulch, AK
- Coordinates: 60.209335, -151.399124 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=60.2093&lon=-151.3991&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB office: Alaska Regional Office
- NTSB case key (mKey): 4226
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC84FA157
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/4226/pdf
- Page: https://openairdocs.org/ntsb/ANC84FA157

## Sequence of events

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

- In flight collision with object, takeoff - initial climb
  - airport facilities,runway/landing area condition - loose gravel/sandy
  - preflight planning/preparation - inadequate, pilot in command (cause)
  - airport facilities,runway/landing area condition - high vegetation
  - aborted takeoff - attempted, pilot in command (contributing factor)
  - airport facilities,runway/landing area condition - rough/uneven
  - altitude - not attained, pilot in command (cause)
  - clearance - not maintained, pilot in command (cause)
  - lack of total experience, pilot in command (contributing factor)
  - overconfidence in personal ability, pilot in command (cause)
  - overconfidence in aircraft's ability, pilot in command (cause)
- In flight collision with terrain/water, landing

## Analysis

PLT STATED THAT ON TAKEOFF FROM A 600 FT LONG GRAVEL BAR, THE ACFT HIT A CLUMP OF BRUSH WITH THE RT MAIN LANDING GEAR. HE STATED THAT THE ACFT TURN INTO THE PATH OF TALLER BRUSH, SO HE REDUCED THE PWR AND LANDED, TURN 180 DEGREES AFTER IMPACT. THE PLT ASLO STATED 'I NOW KNOW THAT THE BUSH FLYING IN ALASKA, A PERSON NEEDS A LOT MORE EXPERIENCE THAN I HAVE.'

## Aircraft

- Registration: [N62AT](https://openairdocs.org/aircraft/N62AT), registered now, S/N 1013, built 1980 (OpenAirDocs)
- Reported make and model: Artic Aircraft Corp. S-1B2
- Registry model: [Arctic S-1B2](https://openairdocs.org/model/arctic-s-1b2) (registry code 0790208) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 1013
- Airframe hours: 365
- Engines: LYCOMING O-320-A2B 150 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: James Kenneth Spearin
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, July 13, 1984, 45 hours before
- Departed: CLAM GULCH, AK
- Destination: 5KS, KASILOF, AK

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 46; private; airplane ratings: single-engine land; medical: class 3, valid medical--no waivers/lim.; seat: front; flight hours: 131 total, 74 in this make and model, 74 as pilot in command, 37 in the last 90 days, 5 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: calm
- Visibility: 100 statute miles
- Lowest ceiling: none
- Temperature: 61 °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 19840904074079A](https://openairdocs.org/incident/19840904074079A), Sep 4, 1984: Arctic S1B2, Clam Gulch, AK, Minor damage. Aircraft drifted to right after departing a gravel bar. The gear hit some brush. Takeoff was aborted into brush.

## Other investigations on N62AT (1)

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 ANC84LA099](https://openairdocs.org/ntsb/ANC84LA099), Jun 24, 1984: Interstate S-1B2 (N62AT), Anchorage, AK, 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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