- Date
- June 27, 1989, 18:00 local (Jun 28, 1989, 02:00 UTC)
- Place
- King Salmon, AK
- Injuries
- 1 uninjured
- Damage
- Substantial damage
- Phase of flight
- Landing
- Aircraft
- N4104DHelio H800
- Weather
- Visual (VMC) · Day
- Status
- Completed · report April 19, 1990
- Report
- Approved by Office Director
- NTSB office
- Alaska Regional Office
- FAA report
- 19890627017719A
- Case key
- 5208
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
On this page
Probable cause
The pilot selected unsuitable terrain for the landing. Soft/wet (muddy) terrain conditions were contributing factors.
Sequence of events
NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.
Nose over
Unsuitable terrain or takeoff/landing/taxi area - selectedCause
Terrain condition - softFactor
Terrain condition - wetFactor
Analysis
The pilot reported that he elected to land on flat terrain that appeared to be solid enough to support the aircraft. However, during the landing roll, the wheels sank in mud and the aircraft nosed over.
Aircraft
- Registration
- N4104D
- Reported as
- Helio H800
- Category
- Airplane
- Serial number
- H-17
- Engine
- Lycoming IO-720, 400 horsepower, reciprocating
- Damage
- Substantial damage
- Flight
- Personal · Part 91
- Operator
- Nordgren, Alfred
- Registered owner
- Alfred M Nordgren
- Airworthiness certificate
- Standard, Normal
- Departed
- ANC · Anchorage, AK
- Destination
- AKN
Flight crew
As NTSB recorded them. NTSB leaves out names.
- Role
- Pilot
- Age
- 33
- Certificate
- Private
- Airplane ratings
- Multi-engine land, Single-engine land
- Medical
- Class 1, Valid Medical--no waivers/lim.
- Flight hours
- 1,270 total · 70 in this make and model · 1,270 as pilot in command · 70 in the last 90 days · 25 in the last 30 days · 8 in the last 24 hours
Weather
- Conditions
- Visual (VMC) · Day
- Wind
- 10° at 15 knots, gusting 20
- Visibility
- 60 statute miles
- Lowest ceiling
- None
- Temperature
- 70 °F, dew point -0 °F
FAA reports on this event · 1
The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.