# NTSB investigations, 1998, OR

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.

## Latest cases

- [NTSB SEA99LA014](https://openairdocs.org/ntsb/SEA99LA014.md): McDonnell Douglas MD-11 · Portland, OR · Accident · No injuries · Limited investigation · Final report · Nov 11, 1998 · N801DE · Substantial damage
  > The flight crew's entry of an incorrect weight figure in the Flight Management System (FMS) computer, resulting in the approach being flown at an improper (low) Vref speed and an excessively nose-high attitude through the landing flare.
- [NTSB SEA99LA005](https://openairdocs.org/ntsb/SEA99LA005.md): Robinson R-22 · Scappoose, OR · Accident · No injuries · Limited investigation · Final report · Oct 22, 1998 · N474BC · Substantial damage
  > Aircraft control was not maintained. Inadequate remedial action is a factor.
- [NTSB SEA98LA187](https://openairdocs.org/ntsb/SEA98LA187.md): Piper PA-16 · Medford, OR · Accident · No injuries · Limited investigation · Final report · Sep 27, 1998 · N5932H · Substantial damage
  > Directional control was not maintained.
- [NTSB SEA98LA186](https://openairdocs.org/ntsb/SEA98LA186.md): Beech A35 · Christmasvalley, OR · Accident · No injuries · Limited investigation · Final report · Sep 23, 1998 · N516B · Substantial damage
  > A jammed nose gear. A corroded cable and the failure of the owner to have an annual inspection performed on the airplane were factors.
- [NTSB SEA98LA184](https://openairdocs.org/ntsb/SEA98LA184.md): Taylorcraft BC12-D · Flying M Ranch, OR · Accident · Minor injuries · Limited investigation · Final report · Sep 20, 1998 · N95318 · Substantial damage
  > The pilot's failure to maintain an airspeed above stalling speed (Vs), and the resultant stall/mush of the aircraft into the terrain. Factors include the pilot's improper decision to attempt a go-around into rising terrain, landing with a tailwind, and trees…
- [NTSB SEA98LA182](https://openairdocs.org/ntsb/SEA98LA182.md): Cora Allegro · Cresent Lake, OR · Accident · 1 fatal · Limited investigation · Final report · Sep 18, 1998 · OKDUU · Destroyed
  > The pilot's failure to maintain clearance from trees located off the departure end of the runway. Factors include strong, variable, gusty winds, terrain-induced turbulence, a high density altitude, and trees off the departure end of the runway.
- [NTSB SEA98LA177](https://openairdocs.org/ntsb/SEA98LA177.md): Stinson 108-1 · Spray, OR · Accident · No injuries · Limited investigation · Final report · Sep 14, 1998 · N8666K · Substantial damage
  > A partial loss of engine power, and the pilot's subsequent misjudgment of clearance with a transmission wire during a precautionary landing approach. The reason for the power loss was not determined; however, the pilot reported that it was not of a mechanical…
- [NTSB SEA98LA180](https://openairdocs.org/ntsb/SEA98LA180.md): Taylorcraft BC12-D · Lincoln City, OR · Accident · No injuries · Limited investigation · Final report · Sep 13, 1998 · N46TC · Substantial damage
  > The pilot's inadequate remedial action to correct for a crosswind gust. The crosswind gust was a factor.
- [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 SEA98LA163](https://openairdocs.org/ntsb/SEA98LA163.md): Six/Huber RV-6 · Roseburg, OR · Accident · No injuries · Limited investigation · Final report · Aug 12, 1998 · N26CH · Substantial damage
  > A total loss of engine power for undetermined reasons.
- [NTSB SEA98GA159](https://openairdocs.org/ntsb/SEA98GA159.md): Bell 212 · Juntura, OR · Accident · No injuries · Final report · Aug 8, 1998 · N291B · Substantial damage
  > The pilot-in-command's failure to maintain proper clearance between the long line cable and hell hole structure resulting in airframe contact and binding of the cable. This resulted in separation/disabling of the fuel control solenoid and a subsequent…
- [NTSB SEA98LA154](https://openairdocs.org/ntsb/SEA98LA154.md): Cessna 172 · Baker City, OR · Accident · 1 fatal · Limited investigation · Final report · Jul 31, 1998 · N835T · Substantial damage
  > The pilot's failure to maintain terrain clearance and inadequate in-flight planning/decision. Contributing to the accident was mountain obscuration.
- [NTSB SEA98TA152](https://openairdocs.org/ntsb/SEA98TA152.md): Cessna TU206G · Burns, OR · Accident · Minor injuries · Final report · Jul 29, 1998 · N756YC · Substantial damage
  > Fatigue failure of the crankshaft.
- [NTSB SEA98LA149](https://openairdocs.org/ntsb/SEA98LA149.md): Cessna 195B · Ashland, OR · Accident · Minor injuries · Limited investigation · Final report · Jul 25, 1998 · N2125C · Substantial damage
  > The pilot's improper landing flare, which resulted in a hard landing.
- [NTSB SEA98LA145](https://openairdocs.org/ntsb/SEA98LA145.md): Baggarley Glasair II-FT · Vernonia, OR · Accident · 1 fatal · Limited investigation · Final report · Jul 20, 1998 · N31066 · Substantial damage
  > A loss of aircraft control for undetermined reasons.
- [NTSB SEA98LA137](https://openairdocs.org/ntsb/SEA98LA137.md): Piper PA-22-160 · Pacific City, OR · Accident · No injuries · Limited investigation · Final report · Jul 15, 1998 · N9199D · Substantial damage
  > The pilot's improper compensation for wind conditions (landing with a tail wind.) Related factors were tail wind conditions, a short runway, and diminished brake system effectiveness.
- [NTSB SEA98LA135](https://openairdocs.org/ntsb/SEA98LA135.md): Cessna 152 · Miltonfreewater, OR · Accident · No injuries · Limited investigation · Final report · Jul 14, 1998 · N24823 · Substantial damage
  > The pilots failure to maintain proper terrain clearance. Factors contributing to the accident are high density altitude and rising terrain.
- [NTSB SEA98LA134](https://openairdocs.org/ntsb/SEA98LA134.md): Nelson Cygnet SF-2A · Newberg, OR · Accident · Minor injuries · Limited investigation · Final report · Jul 13, 1998 · N191LM · Substantial damage
  > The pilot-in-command's failure to maintain directional control. Factors contributing were the pilot-in-command's lack of experience in make of aircraft (i.e., use of toe brakes) and the fence post.
- [NTSB SEA98LA129](https://openairdocs.org/ntsb/SEA98LA129.md): Cessna 150 · Oregon City, OR · Accident · No injuries · Limited investigation · Final report · Jul 7, 1998 · N6417T · Substantial damage
  > The pilot's improper flare.
- [NTSB SEA98LA126](https://openairdocs.org/ntsb/SEA98LA126.md): Piper PA-22 · Aurora, OR · Accident · Minor injuries · Limited investigation · Final report · Jul 7, 1998 · N2646A · Substantial damage
  > Directional control was not maintained by the pilot in command. Factors include rough terrain and hidden obstructions.
- [NTSB SEA98FA109](https://openairdocs.org/ntsb/SEA98FA109.md): Nolley BD-5T · Corvallis, OR · Accident · No injuries · Field investigation · Final report · Jun 21, 1998 · N50TX · Substantial damage
  > The introduction of a fuel containing an ethanol additive into fuel tanks sloshed/sealed with a compound incompatible with alcohols, resulting in debonding of the compound from the fuel tank walls, leading to partial blockage of an in-line fuel filter, and a…
- [NTSB SEA98LA108](https://openairdocs.org/ntsb/SEA98LA108.md): Piper PA-28-180 · Manzanita, OR · Accident · No injuries · Limited investigation · Final report · Jun 20, 1998 · N6556J · Substantial damage
  > The pilot's failure to maintain directional control during the aborted takeoff. Factors include a crosswind gust during the takeoff roll.
- [NTSB SEA98LA103](https://openairdocs.org/ntsb/SEA98LA103.md): Casa BU-131 · Harrisburg, OR · Accident · No injuries · Limited investigation · Final report · Jun 17, 1998 · N1XW · Substantial damage
  > A failed bracket attaching the throttle linkage, which resulted in the inability to control power, and unsuitable terrain for a successful forced landing. Factors include soft terrain with high vegetation.
- [NTSB SEA98LA099](https://openairdocs.org/ntsb/SEA98LA099.md): Cessna T210M · La Pine, OR · Accident · Minor injuries · Limited investigation · Final report · Jun 16, 1998 · N22CT · Substantial damage
  > Fuel starvation for undetermined reasons.
- [NTSB SEA98LA096](https://openairdocs.org/ntsb/SEA98LA096.md): Cessna 172R · Independence, OR · Accident · No injuries · Limited investigation · Final report · Jun 14, 1998 · N9514P · Substantial damage
  > A loss of power due to fatigue failure and cracking of an engine cylinder barrel.
- [NTSB SEA98LA094](https://openairdocs.org/ntsb/SEA98LA094.md): Schweizer SGS 2-33A · North Plains, OR · Accident · No injuries · Limited investigation · Final report · Jun 11, 1998 · N65918 · Substantial damage
  > The pilot's failure to maintain directional control and his failure to maintain clearance from a pole. Contributing factors were rain and an overcast which resulted in less than optimal conditions to detect the pole.
- [NTSB SEA98FA092](https://openairdocs.org/ntsb/SEA98FA092.md): Cessna T210N · Hillsboro, OR · Accident · 2 fatal · Field investigation · Final report · Jun 9, 1998 · N199JM · Destroyed
  > Improper installation (bushing), mechanical binding (bushing), mechanical binding (connecting rod), and fatigue within the crankshaft. Contributing factors were inadequate major (engine) overhaul and trees.
- [NTSB SEA98LA065](https://openairdocs.org/ntsb/SEA98LA065.md): Kaman K-1200 · La Grande, OR · Accident · No injuries · Limited investigation · Final report · Apr 21, 1998 · N224GM · Substantial damage
  > The pilot's inadvertent shutdown of the engine with the FUEL/OIL shutoff switch. Contributing to the accident were: the manufacturer's inadequate location and design of the FUEL/OIL shutoff switch; the FAA's inadequate determination of the type design's…
- [NTSB SEA98LA061](https://openairdocs.org/ntsb/SEA98LA061.md): Cessna 180 · Redmond, OR · Accident · No injuries · Limited investigation · Final report · Apr 9, 1998 · N2933C · Substantial damage
  > The passenger-pilot's excessive rate of descent during touchdown. Factors include the pilot-in-command's inadequate recovery from a hard/bounced landing, the passenger-pilot's failure to execute a go-around after taking control of the aircraft, and gusty…
- [NTSB SEA98LA059](https://openairdocs.org/ntsb/SEA98LA059.md): Beech 35-C33 · Hillsboro, OR · Accident · No injuries · Limited investigation · Final report · Apr 1, 1998 · N1310A · Substantial damage
  > The flight instructor's inadequate supervision and the dual student's premature lift off which resulted in inadequate airspeed, a stall, and collision with the ground.
- [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 SEA98LA052](https://openairdocs.org/ntsb/SEA98LA052.md): Beech S35 · Medford, OR · Accident · No injuries · Limited investigation · Final report · Mar 24, 1998 · N3MG · Substantial damage
  > the pilot's inadequate fuel management. Factors were the pilot's diverted attention and soft terrain in the forced landing area.
- [NTSB SEA98FA047](https://openairdocs.org/ntsb/SEA98FA047.md): Aerospatiale SN-601 · Portland, OR · Accident · No injuries · Field investigation · Final report · Mar 19, 1998 · N600RA · Substantial damage
  > The pilot-in-command's decision to attempt takeoff with the right engine inoperative, resulting in his failure to maintain directional control or attain adequate airspeed during the takeoff attempt. Factors included a fractured right engine starter-generator…
- [NTSB SEA98LA046](https://openairdocs.org/ntsb/SEA98LA046.md): Cessna 152 · Mcminnville, OR · Accident · Minor injuries · Limited investigation · Final report · Mar 14, 1998 · N757CZ · Substantial damage
  > Disconnection of the throttle cable at the throttle-to-carburetor adapter plate and the failure of the student pilot to shut the aircraft's engine down once a safe landing was assured. Factors contributing to the accident were the soft terrain and overloading…
- [NTSB SEA98IA044](https://openairdocs.org/ntsb/SEA98IA044.md): Mooney M20K · Klamath Falls, OR · Incident · No injuries · Incident investigation · Final report · Mar 12, 1998 · N3556H · Minor damage
  > The pilot's inadequate preflight which failed to detect water contaminated fuel that subsequently led to fuel icing at altitude, blockage of fuel lines which resulted in fuel starvation. A related factor was the dark night conditions.
- [NTSB SEA98LA035](https://openairdocs.org/ntsb/SEA98LA035.md): Bromley Steen Skybolt · Hillsboro, OR · Accident · Minor injuries · Limited investigation · Final report · Feb 5, 1998 · N55740 · Substantial damage
  > The pilot's failure to maintain a proper glidepath.
- [NTSB SEA98LA033](https://openairdocs.org/ntsb/SEA98LA033.md): Sherman Executive · Stayton, OR · Accident · 2 fatal · Limited investigation · Final report · Jan 31, 1998 · N50499 · Destroyed
  > Main rotor strike and separation of the tail boom for undetermined reasons.
- [NTSB SEA98LA030](https://openairdocs.org/ntsb/SEA98LA030.md): Raser Mini 500 · Newberg, OR · Accident · No injuries · Limited investigation · Final report · Jan 28, 1998 · N500YY · Substantial damage
  > a power loss resulting from overtemperature of a cylinder. The pilot's operation with known deficiencies was a factor.
- [NTSB SEA98LA028](https://openairdocs.org/ntsb/SEA98LA028.md): Piper PA-24-250 · Sutherlin, OR · Accident · No injuries · Limited investigation · Final report · Jan 23, 1998 · N8422P · Substantial damage
  > Loss of engine power for an undetermined reason.

## 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 year(c."eventDate") = 1998
  AND c."eventStateOrRegion" = 'OR' AND c."eventCountry" = 'USA'
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?state=OR&year=1998

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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.