- Date
- September 19, 1989, 12:10 local (20:10 UTC)
- Place
- Sleepy Bay, AK
- Injuries
- 5 uninjured
- Damage
- Substantial damage
- Phase of flight
- Landing
- Aircraft
- N851TBde Havilland DHC-6
- Weather
- Visual (VMC) · Day
- Status
- Completed · report June 28, 1991
- Report
- Approved by Office Director
- NTSB office
- Alaska Regional Office
- FAA report
- 19890919035579A
- Case key
- 5263
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
Selection of unsuitable terrain (water condition) by the pilot. The rough water condition was a related factor.
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.
In flight collision with terrain/water
Terrain condition - water,roughFactor
Unsuitable terrain or takeoff/landing/taxi area - selectedCause
Other gear collapsed
Landing gear,float assembly - overload
Aircraft
- Registration
- N851TB
- Reported as
- de Havilland DHC-6
- Category
- Airplane
- Serial number
- 201
- Airframe hours
- 25,821
- Engine
- P&W PT6A-20, 495 horsepower, turbo prop
- Damage
- Substantial damage
- Flight
- Business · Part 91
- Operator
- Sound Adventures
- Registered owner
- Red Baron Leasing Co. Inc
- Airworthiness certificate
- Standard, Normal
- Last inspection
- 100 hour · September 15, 1989 · 13 hours before
- Departed
- Mcpherson Bay, AK
N851TBRegistration cancelled Nov 17, 1989 · Dehavilland DHC-6 TWIN OTTERAirframe modelDehavilland DHC-6 TWIN OTTER
Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.
Flight crew
As NTSB recorded them. NTSB leaves out names.
- Role
- Pilot
- Age
- 36
- Certificates
- Commercial, Airline transport
- Airplane ratings
- Multi-engine land, Single-engine sea
- Instrument ratings
- Airplane
- Medical
- Class 1, Valid Medical--no waivers/lim.
- Seat
- Left
- Flight hours
- 5,650 total · 2,100 in this make and model · 3,600 as pilot in command · 260 in the last 90 days · 80 in the last 30 days · 3 in the last 24 hours
Weather
- Conditions
- Visual (VMC) · Day
- Wind
- 75° at 10 knots, gusting 15
- Visibility
- 15 statute miles
- Lowest ceiling
- 2,000 ft overcast
- Temperature
- 54 °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.
Other investigations on N851TB · 1
Matched to the same aircraft by N-number and date.