- Date
- October 10, 1983, 18:25 local (Oct 11, 1983, 01:25 UTC)
- Place
- Seattle, WA
- Injuries
- 3 uninjured
- Damage
- No damage
- Phase of flight
- Enroute
- Aircraft
- N350GTS.N.I.A.S. AS350D
- Weather
- Visual (VMC) · Dusk
- Status
- Completed
- Report
- Approved by Office Director
- FAA report
- 19831010074419I
- Case key
- 39833
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the incident.
On this page
Analysis
The acft sustained a complete failure of the tail rotor drine shaft due to fatigue from stress corrosion precipitated byprevious damage at which time no logbook entry was recorded to indicate that the shaft had been inspected.
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.
Aircraft
- Registration
- N350GT
- Reported as
- S.N.I.A.S. AS350D
- Category
- Helicopter
- Serial number
- 1458
- Airframe hours
- 265
- Engine
- Lycoming LTS 101-600A2, 615 horsepower, turbo shaft
- Damage
- No damage
- Flight
- Personal · Part 91
- Registered owner
- American Helicopters Corp.
- Airworthiness certificate
- Standard, Normal
- Last inspection
- AAIP · August 12, 1983 · 48 hours before
- Flight plan
- Company VFR
- Airport
- BFI · Boeing Field, runway 13, asphalt
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
- 38
- Certificate
- Commercial
- Airplane ratings
- Single-engine land, Multi-engine land
- Instrument ratings
- Helicopter, Airplane
- Medical
- Class 2, Valid Medical--no waivers/lim.
- Seat
- Right
- Flight hours
- 5,000 total · 370 in this make and model · 4,400 as pilot in command · 150 in the last 90 days · 50 in the last 30 days · 4 in the last 24 hours
Weather
- Conditions
- Visual (VMC) · Dusk
- Wind
- 350° at 11 knots
- Lowest ceiling
- None
- Temperature
- 55 °F, dew point 39 °F
- Observed at
- BFI, 1 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.