# NTSB investigations, OR: Airframe/component/system failure/malfunction NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports. Page 1 of 2 · 89 cases ## Latest cases - [NTSB SEA07LA217](https://openairdocs.org/ntsb/SEA07LA217.md): Taylorcraft BF12 · West Linn, OR · Accident · 2 fatal · Limited investigation · Final report · Jul 28, 2007 · N13060 · Substantial damage > The corrosion, fatigue fracture, and subsequent separation of the left wing lift strut attachment fitting. Also causal was the inadequate maintenance and annual inspection by the owner/pilot/mechanic. - [NTSB LAX07LA106](https://openairdocs.org/ntsb/LAX07LA106.md): Enstrom F-28F · Monmouth, OR · Accident · No injuries · Limited investigation · Final report · Mar 6, 2007 · N785M · Substantial damage > The failure of the main drive belt tension assembly shaft due to high cycle, low stress fatigue. - [NTSB SEA07LA022](https://openairdocs.org/ntsb/SEA07LA022.md): McDonnell Douglas 369E · Lyons, OR · Accident · No injuries · Limited investigation · Final report · Nov 22, 2006 · N1611W · Substantial damage > A severing of the helicopter's cyclic and collective rods by one of the load lifting slings following the failure of the other sling. A contributing factor was the hard landing due to the fact that an autorotation was not possible. - [NTSB SEA06LA065](https://openairdocs.org/ntsb/SEA06LA065.md): Kaman K-1200 · Dexter, OR · Accident · Minor injuries · Limited investigation · Final report · Mar 12, 2006 · N133KA · Substantial damage > The pilot's failure to identify the overspeed of the helicopter's main rotors due to a turbine governor malfunction, and his failure to take the appropriate actions described in the Flight Manual's emergency procedures section. Factors include the malfunction… - [NTSB SEA06CA062](https://openairdocs.org/ntsb/SEA06CA062.md): Piper PA-18A · Shady Cove, OR · Accident · No injuries · Data collection · Final report · Mar 4, 2006 · N1984A · Substantial damage > The pilot's improper installation of the control stick during maintenance, which resulted in the control stick becoming disconnected during the initial takeoff climb, resulting in a loss of control and in-flight collision with the ground. - [NTSB SEA06IA019](https://openairdocs.org/ntsb/SEA06IA019.md): Gulfstream Aerospace G-5 · Hillsboro, OR · Incident · No injuries · Incident investigation · Final report · Nov 21, 2005 · N225GV · Minor damage > The failure of the right main landing gear (MLG) door uplock linkage actuator due to corrosion, which resulted in jamming of the right MLG during the initial takeoff climb. - [NTSB SEA05CA195](https://openairdocs.org/ntsb/SEA05CA195.md): Eiland RAF-200 Gyro · Bend, OR · Accident · Minor injuries · Data collection · Final report · Sep 18, 2005 · N4416N · Substantial damage > The malfunction of the flight controls for an undetermined reason, which resulted in a loss of control and in-flight collision with terrain. - [NTSB SEA05CA191](https://openairdocs.org/ntsb/SEA05CA191.md): Gleason Sky Star Kitfox · Klamath Falls, OR · Accident · No injuries · Data collection · Final report · Sep 12, 2005 · N852PG · Substantial damage > The binding of the flaperon push pull tube due to deformation of the front seat, which resulted in a loss of control on takeoff initial climb and collision with the runway. - [NTSB SEA05LA188](https://openairdocs.org/ntsb/SEA05LA188.md): Kirner Fisher FP404 · Prineville, OR · Accident · 1 fatal · Limited investigation · Final report · Sep 2, 2005 · UNREG · Substantial damage > The design stress limits of the aircraft were exceeded resulting in a wing separation while the pilot was accomplishing maneuvers of hard banking turns, spins and steep descents. - [NTSB SEA05CA183](https://openairdocs.org/ntsb/SEA05CA183.md): Bellanca 7KCAB · Chiloquin, OR · Accident · No injuries · Data collection · Final report · Aug 27, 2005 · N11661 · Substantial damage > The failure of the left chain link which permits the pilot to control the tailwheel, and the subsequent inability of the pilot to control the airplane during the landing roll. - [NTSB SEA05LA058](https://openairdocs.org/ntsb/SEA05LA058.md): Rotorway Exec 162F · Coos Bay, OR · Accident · Minor injuries · Limited investigation · Final report · Mar 10, 2005 · N20539 · Destroyed > The disintegration, for undetermined reasons, of the upper main drive pulley assembly bearing, while in cruise flight, leading to the decoupling of the main rotor drive assembly from the engine drive assembly. Factors include the absence of any suitable… - [NTSB SEA05LA056](https://openairdocs.org/ntsb/SEA05LA056.md): Bellanca 7GCBC · Prineville, OR · Accident · No injuries · Limited investigation · Final report · Jan 30, 2005 · N53719 · Substantial damage > Other maintenance personnel's inadequate reassembly of the tail wheel assembly and the left main landing gear breaking assembly resulting in an inadvertent loss of control during the landing roll. Contributing factors were the pilot's inadvertent swerve… - [NTSB SEA04LA153](https://openairdocs.org/ntsb/SEA04LA153.md): Piper PA-24-260 · Redmond, OR · Accident · No injuries · Limited investigation · Final report · Aug 1, 2004 · N9394P · Substantial damage > Unknown malfunction of the landing gear system for undetermined reasons that resulted in a gear collapse during landing. - [NTSB SEA04TA147](https://openairdocs.org/ntsb/SEA04TA147.md): WSK PZL Mielec M-18A · Burns, OR · Accident · No injuries · Final report · Jul 26, 2004 · N495WP · Substantial damage > The improper installation of the throttle linkage clevis to the throttle control arm by unknown maintenance personnel. Contributing factors were the nylon lock nut separating from its' bolt, which permitted the throttle cable to disconnect from the throttle… - [NTSB SEA04FA022](https://openairdocs.org/ntsb/SEA04FA022.md): Beech S35 · Warren, OR · Accident · 4 fatal · Field investigation · Final report · Nov 25, 2003 · N10BX · Destroyed > The vacuum pump failure and the pilot's failure to maintain control of the airplane. Factors contributing to the accident included the instrument meteorological weather conditions and the pilot's improper recovery from the descent. - [NTSB SEA03LA180](https://openairdocs.org/ntsb/SEA03LA180.md): Lancair LC41 · Bend, OR · Accident · No injuries · Limited investigation · Final report · Aug 27, 2003 · N166PD · Destroyed > The inadequate design of the drogue chute mechanical jettison system, which resulted in its failure to separate from the aircraft during in-flight spin recovery tests, and the incorrectly wired drogue chute cable cutter activation unit, which resulted in the… - [NTSB SEA03LA145](https://openairdocs.org/ntsb/SEA03LA145.md): Andelin S1E · Troutdale, OR · Accident · No injuries · Limited investigation · Final report · Jul 16, 2003 · N732E · Substantial damage > The pilot's inability to maintain directional control due to an obstruction of the left brake line by foreign material resulting in asymmetrical braking. - [NTSB SEA03LA064](https://openairdocs.org/ntsb/SEA03LA064.md): Cessna 150 · Coos Bay, OR · Accident · Serious injuries · Limited investigation · Final report · Apr 19, 2003 · N7057F · Substantial damage > The pilot's improper remedial action during takeoff and his failure to maintain airspeed. Contributing factors included the binding of the left brake and the trees. - [NTSB SEA02LA184](https://openairdocs.org/ntsb/SEA02LA184.md): Cessna 182 · Estacada, OR · Accident · No injuries · Limited investigation · Final report · Sep 29, 2002 · N5337B · Destroyed > The entanglement of an inadvertently opened skydiver's parachute in the aircraft’s elevator and rudder just after a group of four skydivers positioned themselves on the aircraft's external jump platform prior to a jump. - [NTSB SEA02LA137](https://openairdocs.org/ntsb/SEA02LA137.md): Bell 206B · Elsie, OR · Accident · No injuries · Limited investigation · Final report · Jul 24, 2002 · N60PH · Substantial damage > The shattering and separation of the forward right (pilot's) windscreen for undetermined reason(s). - [NTSB SEA02LA120](https://openairdocs.org/ntsb/SEA02LA120.md): Welborn Pulsar XP · Prineville, OR · Accident · No injuries · Limited investigation · Final report · Jul 4, 2002 · N777XP · Substantial damage > The disconnection of the throttle cable on landing resulting in the aircraft's engine going to full throttle and the pilot's subsequent failure to maintain directional control after securing the engine during the landing event. - [NTSB SEA02LA095](https://openairdocs.org/ntsb/SEA02LA095.md): Cessna 441 · Medford, OR · Accident · No injuries · Limited investigation · Final report · Jun 19, 2002 · N564AC · Substantial damage > The overstress failure, for undetermined reasons, of the right main landing gear pivot pin roll pin, leading to the misalignment of the gear trunnion and the collapse of the right main gear during the landing roll. - [NTSB SEA02LA010](https://openairdocs.org/ntsb/SEA02LA010.md): Fetherolf Hatz CB-1 · Ontario, OR · Accident · No injuries · Limited investigation · Final report · Nov 2, 2001 · N26WF · Substantial damage > An improper weld in the landing gear, resulting in separation of the right main landing gear wheel during a normal landing. - [NTSB SEA01IA161](https://openairdocs.org/ntsb/SEA01IA161.md): de Havilland DHC-8-102 · Portland, OR · Incident · No injuries · Incident investigation · Final report · Aug 28, 2001 · N827PH · No damage > Improper tension of the right control yoke chain; a worn right aileron spring tab hinge bearing; improper tension of the left aileron spring tab aft spring and worn contact stud; improper tension of the right aileron spring tab and a worn contact stud; a worn… - [NTSB SEA01LA105](https://openairdocs.org/ntsb/SEA01LA105.md): Cessna T210M · Portland, OR · Accident · No injuries · Limited investigation · Final report · May 27, 2001 · N761DL · Substantial damage > A burst hydraulic line and consequent total loss of hydraulic fluid from the landing gear, which disabled landing gear operation. - [NTSB SEA01FA059](https://openairdocs.org/ntsb/SEA01FA059.md): de Havilland DHC-8-102 · Portland, OR · Accident · No injuries · Field investigation · Final report · Mar 6, 2001 · N822PH · Substantial damage > The failure of the number 5 engine bearing assembly followed by the disconnection of the P2.5/P3 switching valve to rear inlet case sealing air tube and the melting of the NL probe port (sealing tube) which allowed an oil fed fire beyond the constraints of… - [NTSB SEA01LA049](https://openairdocs.org/ntsb/SEA01LA049.md): Aero Commander AC-690 · Eugene, OR · Accident · No injuries · Limited investigation · Final report · Feb 12, 2001 · N690AC · Substantial damage > an undetermined malfunction of the nose gear system which resulted in the failure of the nose gear to fully extend and lock prior to landing. - [NTSB SEA01FA021](https://openairdocs.org/ntsb/SEA01FA021.md): Piper PA-22-135 · Ontario, OR · Accident · 1 fatal · Field investigation · Final report · Nov 17, 2000 · N3762A · Destroyed > Overstress loading to the left wing lift strut resulting in the left wing folding upward during the initial climb. - [NTSB SEA00LA194](https://openairdocs.org/ntsb/SEA00LA194.md): Cessna 172K · Burns, OR · Accident · No injuries · Limited investigation · Final report · Sep 28, 2000 · N84034 · Substantial damage > The separation of a portion of one propeller blade as a result of a fatigue crack that initiated at the site of foreign object damage to the blade. - [NTSB SEA00LA118](https://openairdocs.org/ntsb/SEA00LA118.md): Bellanca 8KCAB · Bend, OR · Accident · No injuries · Limited investigation · Final report · Jun 29, 2000 · N31286 · Substantial damage > Improper preflight preflight planning/preparation by the pilot-in-command. Factors included a worn tailwheel tire and the VASI lighting system. - [NTSB SEA00LA102](https://openairdocs.org/ntsb/SEA00LA102.md): Cessna 182H · Hillsboro, OR · Accident · Minor injuries · Limited investigation · Final report · Jun 9, 2000 · N8321S · Substantial damage > The pilot's inability to maintain the correct approach airspeed (Vref) on final due to incorrect airspeed indications resulting from a partial blockage of the pitot line. Factors include a quartering tailwind, a wet runway, and the pilot's decision not to… - [NTSB SEA00LA097](https://openairdocs.org/ntsb/SEA00LA097.md): Bell 212 · Eugene, OR · Accident · No injuries · Limited investigation · Final report · Jun 3, 2000 · CFHDY · Substantial damage > Inadequate quality control by the manufacturer during the manufacturing process, which led to the total failure of a fastener, and the separation of the tail rotor blade balance weight. An adhesive debond between the adhesive and the surface was a factor. - [NTSB SEA00LA018](https://openairdocs.org/ntsb/SEA00LA018.md): Piper PA18 · Malheur City, OR · Accident · Minor injuries · Limited investigation · Final report · Nov 13, 1999 · N82553 · Destroyed > The pilot's excessive descent rate during an attempted precautionary landing. Factors include the pilot's intentional operation of his aircraft with a known electrical system deficiency, a malfunction of the electrical system while in flight, the pilot's… - [NTSB SEA00IA019](https://openairdocs.org/ntsb/SEA00IA019.md): Boeing 737-400 · Portland, OR · Incident · No injuries · Incident investigation · Final report · Nov 11, 1999 · N772AS · Minor damage > Arcing in the electrical system wiring for undetermined reasons. - [NTSB SEA99LA070](https://openairdocs.org/ntsb/SEA99LA070.md): Piper PA-24-180 · Hillsboro, OR · Accident · No injuries · Limited investigation · Final report · May 23, 1999 · N6017P · Substantial damage > A loose alternator drive belt, and the flight crew's decision to continue flight with a known electrical system deficiency, resulting in disabling of the aircraft electrical system and landing with the gear not down-and-locked. - [NTSB SEA98LA162](https://openairdocs.org/ntsb/SEA98LA162.md): Cessna T337E · Hillsboro, OR · Accident · Minor injuries · Limited investigation · Final report · Aug 13, 1998 · N78SC · Substantial damage > The disengagement of the pilot seat forward and aft movement locking pin, followed by the pilot's seat sliding to the rear of the seat track. - [NTSB SEA98LA058](https://openairdocs.org/ntsb/SEA98LA058.md): Cessna 195A · Bend, OR · Accident · No injuries · Limited investigation · Final report · Apr 1, 1998 · N1069D · Substantial damage > Separation by fracture of the left main gear leg, as the result of fatigue cracks that initiated in corrosion pits on the gear leg surface. - [NTSB SEA98FA055](https://openairdocs.org/ntsb/SEA98FA055.md): Enstrom F28F · Baker, OR · Accident · No injuries · Field investigation · Final report · Mar 30, 1998 · N171HH · Substantial damage > Fatigue failure of the steel tubing pylon structure. Factors include inadequate inspection by maintenance personnel of damage after a previous accident. - [NTSB SEA98LA017](https://openairdocs.org/ntsb/SEA98LA017.md): Bell TH-1L · Canby, OR · Accident · Minor injuries · Limited investigation · Final report · Nov 25, 1997 · N8160G · Substantial damage > The pilot's allowance of excessive airspeed resulting in the long-line hook impacting the tail rotor, and his allowance of an airspeed bleed-off preventing a successful run-on landing due to a loss of yaw control. - [NTSB SEA97LA147](https://openairdocs.org/ntsb/SEA97LA147.md): Wolf Smith M/P DSA-1 · Bend, OR · Accident · 1 fatal · Limited investigation · Final report · Jun 20, 1997 · N168RW · Destroyed > An inflight propeller blade separation, and a subsequent evasive turn to avoid traffic by the pilot at an inadequate airspeed resulting in an accelerated stall. Factors were excessive power output of the installed engine, an aircraft taking off in the… - [NTSB SEA97FA120](https://openairdocs.org/ntsb/SEA97FA120.md): Piper PA-32-301T · Bend, OR · Accident · 2 fatal · Field investigation · Final report · May 24, 1997 · N83211 · Destroyed > Overload of the airframe structure. Thunderstorms and turbulence were factors. - [NTSB SEA97LA096](https://openairdocs.org/ntsb/SEA97LA096.md): Hendrix Talon XP · Redmond, OR · Accident · Minor injuries · Limited investigation · Final report · May 2, 1997 · N6291X · Substantial damage > incomplete installation (omission of the aft control stick and interlink tube) of the flight control system, resulting in failure of the combined (torque) elevator and aileron rod and a disconnection of the forward flight control stick from the ailerons and… - [NTSB SEA97IA071](https://openairdocs.org/ntsb/SEA97IA071.md): McDonnell Douglas DC-8-71F · Portland, OR · Incident · No injuries · Incident investigation · Final report · Mar 12, 1997 · N830BX · No damage > improper installation of four attach bolts on the elevator drive torque tube. - [NTSB SEA97FA049](https://openairdocs.org/ntsb/SEA97FA049.md): Champion 7-GCBC · Creswell, OR · Accident · 2 fatal · Field investigation · Final report · Jan 19, 1997 · N9677S · Destroyed > the pilot exceeded the design stress limits of the aircraft, while recovering from a spin, which resulted in failure and separation of the right wing tip and adjacent wing fabric (skin). - [NTSB SEA97FA001](https://openairdocs.org/ntsb/SEA97FA001.md): Boeing Vertol BV-107 II · Canby, OR · Accident · 3 fatal · Field investigation · Final report · Oct 4, 1996 · N196CH · Destroyed > failure of maintenance personnel to install a cotter pin in a clevis bolt in the flight control system, which resulted in the aft directional and lateral control output pushrod to become disconnected from a bellcrank in the forward portion of the first stage… - [NTSB SEA96LA206](https://openairdocs.org/ntsb/SEA96LA206.md): Piper PA-22-108 · Ashland, OR · Accident · No injuries · Limited investigation · Final report · Aug 30, 1996 · N4992Z · Destroyed > inadequate inspection of the airplane by maintenance personnel,and a worn exhaust clamp, which resulted in a disconnected exhaust pipe, exhaust leak, burning and shorting of electrical wiring associated with the voltage regulator, and a cabin fire. - [NTSB SEA96TA192](https://openairdocs.org/ntsb/SEA96TA192.md): Bell UH-1H · Pendleton, OR · Accident · No injuries · Final report · Aug 19, 1996 · N4734F · Substantial damage > undetermined malfunction/failure of a flight control or hydraulic system. Rough terrain in the emergency landing area was a related factor. - [NTSB SEA96LA188](https://openairdocs.org/ntsb/SEA96LA188.md): Jonas Exec 90 · Hermiston, OR · Accident · Minor injuries · Limited investigation · Final report · Aug 12, 1996 · N6183P · Substantial damage > slippage of the drive belts, while hover taxiing in ground effect, which resulted in loss of power to the rotor system; and inadequate remedial action by the pilot, which led to a roll over during touch down (forced landing). A factor relating to the accident… - [NTSB SEA96LA164](https://openairdocs.org/ntsb/SEA96LA164.md): Piper PA-46-350P · Hillsboro, OR · Accident · No injuries · Limited investigation · Final report · Jul 8, 1996 · N58VJ · Substantial damage > blockage of the vents to both wing fuel tanks, after unknown personnel failed to remove tape (protective covering) from the vents, which resulted in collapsed fuel tanks (and wing damage). - [NTSB SEA96IA074](https://openairdocs.org/ntsb/SEA96IA074.md): Dornier DO 328-100 · Eugene, OR · Incident · No injuries · Incident investigation · Final report · Mar 31, 1996 · N334PH · Minor damage > delamination of the wing de-icing boot, due to the boot reaching its life limit. Next page: https://openairdocs.org/ntsb.md?state=OR&occurrence=130&page=2 ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```sql SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1 WHERE c."eventStateOrRegion" = 'OR' AND c."eventCountry" = 'USA' AND c."mKey" IN (SELECT o.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o."occurrenceNumber" = 1 AND o."occurrenceCode" = 130) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?occurrence=130&state=OR --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.