# NTSB ANC88LA122: Helio H-295, N456JH, Anchorage, AK, September 4, 1988

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: September 3, 1988, 16:22 local (Sep 4, 1988, 00:22 UTC)
- Place: Anchorage, AK
- Coordinates: 61.179046, -149.880203 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=61.1790&lon=-149.8802&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report July 10, 1989
- Report: Approved by Office Director
- NTSB office: Alaska Regional Office
- NTSB case key (mKey): 5063
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC88LA122
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/5063/pdf
- Page: https://openairdocs.org/ntsb/ANC88LA122

## Sequence of events

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

- Loss of control - on ground/water, takeoff - roll/run
  - aircraft handling - improper, pilot in command (cause)
  - directional control - not maintained, pilot in command (cause)
- On ground/water encounter with terrain/water, takeoff - roll/run

## Analysis

DURING THE TAKEOFF ROLL ON THE RUNWAY AT APPROXIMATELY 20 TO 25 MPH THE PILOT LOST DIRECTIONAL CONTROL OF THE AIRPLANE. THE AIRPLANE LOOPED TO THE RIGHT.

## Aircraft

- Registration: [N456JH](https://openairdocs.org/deregistered/N456JH-2010-03-17), registration cancelled 2010-03-17, S/N 1231, built 1967 (OpenAirDocs)
- Reported make and model: HELIO H-295
- Registry model: [Helio H-295](https://openairdocs.org/model/helio-h-295) (registry code 4300802) (OpenAirDocs)
- Registry engine: [Lycoming GO-480 series](https://openairdocs.org/engine/lycoming-go-480-series) (registry code 41527, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 1231
- Engines: LYCOMING GO-480-G 295 horsepower reciprocating
- Damage: Substantial damage
- Flight: Business, Part 91
- Operator: Harrower, James
- Registered owner: James Harrower
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, August 9, 1988, 35 hours before
- Airport: ANC, Anchorage International, runway 32, 10,500 × 150 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 45; private; airplane ratings: single-engine land, single-engine sea; medical: class 2, valid medical--no waivers/lim.; seat: left; flight hours: 1,000 total, 100 in this make and model, 950 as pilot in command, 30 in the last 90 days, 15 in the last 30 days, 10 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 320° at 5 knots
- Visibility: 90 statute miles
- Lowest ceiling: 6,000 ft broken
- Temperature: 55 °F, dew point 43 °F
- Altimeter: 30.00 inHg
- Observed at: ANC, 5 nm away

## 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 19880903036879A](https://openairdocs.org/incident/19880903036879A), Sep 3, 1988: Amtr HP10, Anchorage, AK, Substantial damage. Aborted takeoff and grounlooped stopped upright with engine running after damaging landing gear and wing tip.

## Other investigations on N456JH (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 ANC91LA093](https://openairdocs.org/ntsb/ANC91LA093), Jul 9, 1991: Helio H-295 (N456JH), Port Alsworth, AK, substantial damage. Probable cause: FAILURE OF THE PILOT TO MAINTAIN SUFFICIENT ALTITUDE AND CLEARANCE FROM MOUNTAINOUS TERRAIN. FACTORS RELATED TO THE ACCIDENT WERE: THE RISING TERRAIN AND A DOWNDRAFT.

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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