SEA86LA076

NTSB accident investigation · Beech 18 · Seattle, WA · March 11, 1986

Accident · No injuriesLimited investigationFinal report
Date
March 10, 1986, 20:06 local (Mar 11, 1986, 04:06 UTC)
Place
Seattle, WA
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Takeoff
Aircraft
N926TBeech 18
Weather
Visual (VMC) · Night/dark
Status
Completed
Report
Approved by Office Director
FAA report
19860310006419A
Case key
40366

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

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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.

Loss of control - on ground/waterTakeoff - roll/run
Proper alignment - not maintainedPilot in commandCause
On ground/water encounter with terrain/waterTakeoff - roll/run
Ground loop/swerve - inadvertentPilot in commandCause

Analysis

The pilot lost control of the aircraft on takeoff and a subsequent groundloop occurred. Although the pilot has a DC-3 type rating, he had only 20 hours in this aircraft.

Aircraft

Registration
N926T
Reported as
Beech 18
Category
Airplane
Serial number
BA711
Airframe hours
3,074
Engine
P&W PT6-27, 680 horsepower, turbo prop
Damage
Substantial damage
Flight
Part 135
Operator
Methow Aviation
Airworthiness certificate
Standard, Normal
Destination
BOI · Boise, ID
Flight plan
IFR
Airport
SEA · Seattle-Tacoma Inter'L, runway 16, 11,900 × 150 ft, asphalt

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
36
Certificates
Airline transport, Commercial
Airplane ratings
Multi-engine land, Single-engine land
Instrument ratings
Airplane
Medical
Class 1, Valid Medical--w/ waivers/lim
Seat
Left
Flight hours
4,178 total · 20 in this make and model · 4,008 as pilot in command · 203 in the last 90 days · 4 in the last 24 hours

Weather

Conditions
Visual (VMC) · Night/dark
Wind
120° at 10 knots
Visibility
10 statute miles
Lowest ceiling
None
Temperature
54 °F, dew point 37 °F
Altimeter
29.00 inHg
Observed at
SEA

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.