Accident · destroyed
Aug 4, 1990 · Leavenworth, WA- Damage
- Destroyed
- Injuries
- Minor
- Report
- SEA90TL#07
From NTSB records; matched by serial number.Read NTSB report (search CAROL for SEA90TL#07)
N6672D1962 Boeing-Vertol 107-II
Registration validUnclaimedSource: FAA, updated Oct 20, 2026
Safety record in brief:1 NTSB accident (destroyed damage, Aug 1990)3 ADs may apply1 service difficulty report
Registration
FAA Aircraft Registry · Oct 20, 2026- Registered owner
- Columbia Helicopters INC
- Owner type
- Corporation
- City, state
- Portland, OR
- Certificate issued
- Jan 10, 1972
- Expires
- Sep 30, 2029
- Airworthiness
- Multiple · Standard, Restricted, Agriculture and Pest Control, Forest
- Airworthiness date
- Mar 16, 1977
We never show street addresses, even though they appear in the public FAA file. Individual owners are shown by city and state only.
Airframe & engine
FAA Registry + type dataAirframe
- Manufacturer
- Boeing-Vertol
- Model
- 107-II
- Year
- 1962
- Serial number
- 2
- Aircraft type
- Rotorcraft
- Category
- Land
- Certification
- Type Certificated
- Seats
- 20
- Engines
- 2
- Max takeoff weight
- 12,500 - 19,999 lb
- Type certificate data sheet
- 1H16
- Mode S code
- A8D0DC
Engine
- Make and model
- Ge Ct58 Series
- Type
- Turbo-shaft
- Power
- 1350 hp
Total time and engine hours aren't public. They appear here once the owner adds logbooks.
Ownership history
Ownership history from FAA records- 1972 – nowColumbia Helicopters INCPortland, OR · current
Individual owners are shown by city and state only.
Safety record
NTSB · Oct 15, 2026 · FAA ADs · Oct 20, 2026 · SDRs · Oct 16, 2026NTSB events (1)
ADs published since 1998 that may apply (3)
These match the airframe or engine model. Whether each one applies, and whether it's been complied with, depends on serial numbers, equipment and logbook entries. Applicability must be confirmed by a mechanic against the aircraft's records.
| AD | Subject | Effective | Applies to |
|---|---|---|---|
| 2012-14-10 | Boeing Vertol (Type Certificate Currently Held by Columbia Helicopters, Inc. (CHI)) and… | Aug 7, 2012 | Airframe (107-II)Only with: Upper collective pitch control assembly P/N 107CK003-2 or 107CK002-2 installed. |
| 2005-24-05 | Boeing Vertol Model 107-II Helicopters | Dec 8, 2005 | Airframe (107-II)Only with: With quill shaft P/N 107D2067 (all dash numbers) and spiral bevel pinion gear P/N 107D2215 installed. |
| 2001-18-06 | General Electric Company T58 and CT58 Series Turboshaft Engines | Oct 18, 2001 | Engine (CT58 SERIES) |
AI-extracted — verify against original. Matched from each AD's applicability section; ADs replaced by a later AD are left out.
Service Difficulty Reports (1)
Reports of failures and defects that operators and repair stations sent to the FAA since 1995. A report describes one finding; it is not an accident.
- Engine · lock nut · failedApr 19, 2006
UPON RECEIPT OF ENGINE FOR MAINTENANCE, IT WAS DISCOVERED THAT THE POWER TURBINE LOCKNUT HAD LOST TORQUE AND BACKED OFF OF THE POWER TURBINE TIE BOLT. THE PROBABLE CAUSE WAS LOSS OF TORQUE. A SPECIAL INSPECTION WAS INITIATED TO INCLUDE INSPECTING RUN-ON TORQUE. A SPECIAL INSPECTION WAS INITIATED…
From FAA Service Difficulty Reports; matched by N-number and serial number.
Sources
- FAA Aircraft RegistryRegistration, owner city and state, airframe, engineupdated Oct 20, 2026
- NTSB accident and incident databaseAccidents and incidents since 1982updated Oct 15, 2026
- FAA Airworthiness Directives (Federal Register)ADs published since 1998updated Oct 20, 2026
- FAA Service Difficulty ReportsReports since 1995updated Oct 16, 2026