# NTSB investigations, OR: Unknown

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 WPR25FA156](https://openairdocs.org/ntsb/WPR25FA156.md): DB Aerocopter AK1-3 · Prineville, OR · Accident · 1 fatal · Class 3 · Field · Preliminary report · May 17, 2025 · N163AK · Substantial damage
  > On May 17, 2025, about 1134 pacific daylight time, a DB Aerocopter Ltd., AK1-3, N163AK, sustained substantial damage when it was involved in an accident near Prineville, Oregon. The private pilot undergoing instruction was fatally injured, and the flight…
- [NTSB WPR24FA289](https://openairdocs.org/ntsb/WPR24FA289.md): Cessna 421C · Fairview, OR · Accident · 3 fatal · Class 3 · Field · Preliminary report · Aug 31, 2024 · N421GP · Substantial damage
  > On August 31, 2024, about 1030 Pacific daylight time, a Cessna 421C, N421GP was destroyed when it was involved in an accident near Fairview, Oregon. The two pilots and one person on the ground were fatally injured. The airplane was operated as a Title 14 Code…
- [NTSB WPR24LA082](https://openairdocs.org/ntsb/WPR24LA082.md): Piper PA-18A 150 · Eden, OR · Accident · Serious injuries · Class 3 · Limited · Final report · Jan 26, 2024 · N7473D · Substantial damage
  > An impact with terrain for undetermined reasons.
- [NTSB WPR20FAMS2](https://openairdocs.org/ntsb/WPR20FAMS2.md): Luscombe 8 · Pacific Ocean, OR · Accident · 1 fatal · Class 3 · Missing aircraft · Final report · Feb 12, 2020 · N77875 · Destroyed
  > Undetermined because the airplane and pilot were not located.
- [NTSB LAX07FAMS1](https://openairdocs.org/ntsb/LAX07FAMS1.md): Cub Crafters CC11-100 · Aurora, OR · Accident · 1 fatal · Missing aircraft · Final report · Jul 7, 2007 · N222TB · Destroyed
  > The airplane is missing.
- [NTSB SEA05FA180](https://openairdocs.org/ntsb/SEA05FA180.md): Maule Bee Dee M-4 · Ritter, OR · Accident · 1 fatal · Field investigation · Final report · Aug 24, 2005 · N11WG · Destroyed
  > The loss of control for an undetermined reason which resulted in a ground collision.
- [NTSB SEA04LA027](https://openairdocs.org/ntsb/SEA04LA027.md): Erickson SHA Glasair TD · Vansycle, OR · Accident · 2 fatal · Limited investigation · Final report · Dec 15, 2003 · N434SW · Destroyed
  > The pilot's failure to maintain adequate clearance with the anemometer pole/wires during low altitude flight. Contributing factors were the pole and the pilot's low altitude flight.
- [NTSB SEA02LA037](https://openairdocs.org/ntsb/SEA02LA037.md): Mooney M20C · Netarts, OR · Accident · 2 fatal · Limited investigation · Final report · Dec 11, 2001 · N5774Q · Destroyed
  > Reason for occurrence undetermined.
- [NTSB SEA01FA085](https://openairdocs.org/ntsb/SEA01FA085.md): MBB BO-105C · Medford, OR · Accident · No injuries · Field investigation · Final report · May 5, 2001 · N105RH · Destroyed
  > A leaking engine oil outlet line fitting in the #1 engine compartment, resulting in an oil fire in the engine compartment.
- [NTSB SEA99FA113](https://openairdocs.org/ntsb/SEA99FA113.md): Alexander VAN'S RV-8 · Lafayette, OR · Accident · 1 fatal · Field investigation · Final report · Jul 10, 1999 · N41VA · Destroyed
  > Fatigue of the number two connecting rod end resulting in a fracture at the rod end and release from the crankshaft, an ensuing in-flight fuel fed fire, followed by the pilot's abandoning the aircraft in flight. A contributing factor was pressure on the pilot…
- [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 SEA97FA148](https://openairdocs.org/ntsb/SEA97FA148.md): Beech 77 · Cottage Grove, OR · Accident · 2 fatal · Field investigation · Final report · Jun 21, 1997 · N6630C · Substantial damage
  > Fuel exhaustion resulting from the pilot's inadequate preflight planning/preparation and his failure to maintain adequate airspeed during a forced landing approach, resulting in a stall. A related factor was the pilot's failure to refuel.
- [NTSB SEA97FA016](https://openairdocs.org/ntsb/SEA97FA016.md): Robinson R22 Beta · Halsey, OR · Accident · 1 fatal · Field investigation · Final report · Oct 19, 1996 · N512HH · Destroyed
  > The pilot-in-command's failure to maintain main rotor RPM, resulting in loss of control of the helicopter and collision with terrain. Factors included the pilot's lack of experience in helicopters, and interpersonal relationship problems between the pilot and…
- [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 SEA95LA219](https://openairdocs.org/ntsb/SEA95LA219.md): Pietenpol AIR-CAMPER · Redmond, OR · Accident · No injuries · Limited investigation · Final report · Sep 12, 1995 · N18GH · Substantial damage
  > a loss of engine power for undetermined reasons.
- [NTSB SEA84FA113](https://openairdocs.org/ntsb/SEA84FA113.md): Cessna 150F · Gleneden Beach, OR · Accident · 1 fatal · Field investigation · Final report · May 19, 1984 · N6511F · Destroyed
  > Two witnesses observed the student plt in the acft at about 1500 PDT. They reported that they were waiting for the wx to clear & that they tried to get the student to spend the night instead of leaving, but they were unsuccessful. Subsequently, the acft…
- [NTSB SEA83FA044](https://openairdocs.org/ntsb/SEA83FA044.md): Cessna P210N · Burns, OR · Accident · 1 fatal · Field investigation · Final report · Jan 22, 1983 · N5162W · Destroyed
  > The plt was on a bank-check courier flt from troutdale to portland, with en route stops at Burns & redmond, OR. Routinely, the acft would depart troutdale between 0900 & 0930 & arrive at Burns at 1130 to 1200 local time. After a ground time of aprx 8 hrs, it…
- [NTSB SEA69A0022](https://openairdocs.org/ntsb/SEA69A0022.md): N.American AT-6C · Veneta, OR · Accident · 2 fatal · Closed · Oct 2, 1968 · N5186V · Destroyed
- [NTSB SEA67A0058](https://openairdocs.org/ntsb/SEA67A0058.md): Piper PA-30 · Halfway, OR · Accident · 3 fatal · Closed · Apr 17, 1967 · N7458Y · Destroyed

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
WITH phase_names(main, name) AS (VALUES (100, 'Prior to flight'), (150, 'Standing'), (200, 'Pushback/towing'), (250, 'Taxi'), (300, 'Takeoff'), (350, 'Initial climb'), (400, 'Enroute'), (450, 'Maneuvering'), (500, 'Approach'), (550, 'Landing'), (600, 'Emergency descent'), (650, 'Uncontrolled descent'), (700, 'Post-impact'), (750, 'After landing'), (800, 'Other'), (990, 'Unknown')),
  crosswalk(code, main, name) AS (VALUES (500, 150, 'Standing'), (501, 150, 'Standing - pre-flight'), (502, 150, 'Standing - starting engine(s)'), (503, 150, 'Standing - engine(s) operating'), (504, 150, 'Standing - engine(s) not operating'), (505, 150, 'Standing - idling rotors'), (510, 250, 'Taxi'), (511, 200, 'Taxi - pushback/tow'), (512, 250, 'Taxi - to takeoff'), (513, 250, 'Taxi - from landing'), (514, 250, 'Taxi - aerial'), (520, 300, 'Takeoff'), (521, 300, 'Takeoff - roll/run'), (522, 350, 'Takeoff - initial climb'), (523, 300, 'Takeoff - aborted'), (530, 400, 'Climb'), (531, 400, 'Climb - to cruise'), (540, 400, 'Cruise'), (541, 400, 'Cruise - normal'), (542, 400, 'Maneuvering - holding (IFR)'), (550, 400, 'Descent'), (551, 400, 'Descent - normal'), (552, 600, 'Descent - emergency'), (553, 650, 'Descent - uncontrolled'), (560, 500, 'Approach'), (561, 500, 'Approach - VFR pattern - downwind'), (562, 500, 'Approach - VFR pattern - base turn'), (563, 500, 'Approach - VFR pattern - base leg/base to final'), (564, 500, 'Approach - VFR pattern - final approach'), (565, 500, 'Go-around (VFR)'), (566, 500, 'Approach - IAF to FAF/outer marker (IFR)'), (567, 500, 'Approach - FAF/outer marker to threshold (IFR)'), (568, 500, 'Circling (IFR)'), (569, 500, 'Missed approach (IFR)'), (570, 550, 'Landing'), (571, 550, 'Landing - flare/touchdown'), (572, 550, 'Landing - roll'), (573, 550, 'Landing - aborted'), (574, 550, 'Emergency landing'), (575, 550, 'Emergency landing after takeoff'), (576, 600, 'Emergency descent/landing'), (580, 450, 'Maneuvering'), (581, 450, 'Maneuvering - aerial application'), (582, 450, 'Maneuvering - turn to reverse direction'), (583, 450, 'Maneuvering - turn to landing area (emergency)'), (590, 450, 'Hover'), (591, 450, 'Hover - in ground effect'), (592, 450, 'Hover - out of ground effect'), (600, 800, 'Other'), (610, 990, 'Unknown')),
  current_codes AS (
    SELECT e.case_mkey, TRY_CAST(e."tier1Number" AS INTEGER) AS code,
      row_number() OVER (PARTITION BY e.case_mkey ORDER BY coalesce(e."isDefiningEvent", false) DESC, e.position) AS n
    FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e
    WHERE e.aircrafts_position = 1 AND e."tier1Number" GLOB '[1-9][0-9]*'
      AND (e."isDefiningEvent" OR e.case_mkey IN (SELECT "mKey" FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' WHERE "isPre1982"))
  ),
  phases AS (
    SELECT case_mkey, 'current' AS scheme, code, CASE WHEN code >= 990 THEN 990 ELSE code // 50 * 50 END AS main
    FROM current_codes WHERE n = 1
    UNION ALL
    SELECT o.case_mkey, 'older', o."phaseOfFlightCode", w.main
    FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o JOIN crosswalk w ON w.code = o."phaseOfFlightCode"
    WHERE o.aircrafts_position = 1 AND o."occurrenceNumber" = 1 AND o.case_mkey NOT IN (SELECT case_mkey FROM current_codes)
  ),
  case_phases AS (
    SELECT p.*, c."eventDate", c."highestInjuryLevel" = 'Fatal' AS fatal, a.aircraft_model_code
    FROM phases p JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c."mKey" = p.case_mkey
    LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = p.case_mkey AND a.position = 1
    WHERE c."eventDate" >= DATE '1962-01-01' AND p.main IN (SELECT main FROM phase_names)
  )
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 case_mkey FROM case_phases WHERE main = 990)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-phases/990/cases?state=OR

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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.