# NTSB investigations, NV: 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 WPR26LA062](https://openairdocs.org/ntsb/WPR26LA062.md): Bell 407 · Las Vegas, NV · Accident · No injuries · Class 4 · Limited · Final report · Dec 15, 2025 · N404LL · Substantial damage
  > Tail rotor blade impact from an unidentified object at an undetermined time.
- [NTSB WPR25LA080](https://openairdocs.org/ntsb/WPR25LA080.md): Piper PA-32-300 · Round Mountain, NV · Accident · 1 fatal · Class 3 · Limited · Final report · Jan 2, 2025 · N4151R · Substantial damage
  > Impact with mountainous terrain for reasons that could not be determined due to a lack of available evidence.
- [NTSB WPR20LA190](https://openairdocs.org/ntsb/WPR20LA190.md): Schweizer 269C · North Las Vegas, NV · Accident · No injuries · Class 3 · Limited · Final report · Jun 23, 2020 · N202CC · Substantial damage
  > A total loss of engine power for reasons that could not be determined based on the available information.
- [NTSB WPR12FA216](https://openairdocs.org/ntsb/WPR12FA216.md): Aero Vodochody L-39 · Boulder City, NV · Accident · 2 fatal · Field investigation · Final report · May 18, 2012 · N39WT · Substantial damage
  > An in-flight emergency followed by a collision with terrain for reasons that could not be determined because postaccident examination of the airframe, engine, and forward and aft canopies revealed no evidence of mechanical malfunctions or failures that would…
- [NTSB LAX02LA027](https://openairdocs.org/ntsb/LAX02LA027.md): Cessna 210K · North Las Vegas, NV · Accident · No injuries · Limited investigation · Final report · Nov 10, 2001 · N8232M · Substantial damage
  > The failure of maintenance personnel to properly diagnose the cause of a reported maintenance discrepancy resulting in the airplane being released from an annual inspection with a worn hydraulic pump which lacked sufficient output to operate the landing gear.…
- [NTSB LAX93LA309](https://openairdocs.org/ntsb/LAX93LA309.md): Cessna 182P · Dayton, NV · Accident · 1 fatal · Limited investigation · Final report · Jul 30, 1993 · N8185M · Destroyed
  > The pilot's failure to maintain an altitude sufficient to clear terrain due to alcohol and drug impairment.
- [NTSB LAX93LA124](https://openairdocs.org/ntsb/LAX93LA124.md): Bertone Challenger II · Boulder City, NV · Accident · 1 fatal · Limited investigation · Final report · Feb 18, 1993 · N4391V · Destroyed
  > The pilot's loss of airplane control due to physical impairment as a result of either drugs or other cardiovascular reasons, or both.
- [NTSB SEA88FA131](https://openairdocs.org/ntsb/SEA88FA131.md): Applebay Zuni 2 · Wellington, NV · Accident · 1 fatal · Field investigation · Final report · Jul 16, 1988 · N14XZ · Destroyed
  > The plt (with only 13 hrs flt time in the hi performance sailplane) took off at 1330 PDT. Psn rprts with her gnd crew were normal until 1630, then another plt offered to relay messages. After ctcg her gnd crew, the otr plt tried calling her back at aprx 1645,…
- [NTSB SEA87FA098](https://openairdocs.org/ntsb/SEA87FA098.md): Piper PA-31-350 · North Las Vegas, NV · Accident · 1 fatal · Field investigation · Final report · May 20, 1987 · N22LV · Destroyed
  > A mechanic, who was not rated as a plt, took the acft without permission & elected to takeoff at ngt. A witness saw the acft dep at about 0250 PDT. Subsequently, it crashed aprx 3 mi ene of the arpt in an open undeveloped area. The time of the acdnt was not…
- [NTSB SEA86FA145](https://openairdocs.org/ntsb/SEA86FA145.md): Grumman AA-5A · Round Mountain, NV · Accident · 2 fatal · Field investigation · Final report · Jun 11, 1986 · N9761U · Destroyed
  > The pilot and passenger departed on a local flight to spot potential fishing locations in mountainous terrain. High density altitude conditions existed at the time/place of the accident. Kinematics information from the accident site indicates that as the…
- [NTSB OAK79FXQ26](https://openairdocs.org/ntsb/OAK79FXQ26.md): Vickers T-65 · Minden, NV · Accident · 1 fatal · Closed · Jun 20, 1979 · N9023N · Destroyed
- [NTSB OAK79DVW10](https://openairdocs.org/ntsb/OAK79DVW10.md): Cessna 172 · Gabbs, NV · Accident · No injuries · Closed · Feb 27, 1979 · N64216 · Destroyed
- [NTSB OAK75DXQ02](https://openairdocs.org/ntsb/OAK75DXQ02.md): Piper PA-25 · Fallon, NV · Accident · No injuries · Closed · Jul 13, 1974 · N6301Z · Substantial damage
- [NTSB OAK69A0026](https://openairdocs.org/ntsb/OAK69A0026.md): Cessna 150H · Las Vegas, NV · Accident · 2 fatal · Closed · Oct 29, 1968 · N6655S · Destroyed
- [NTSB OAK69A0004](https://openairdocs.org/ntsb/OAK69A0004.md): Cessna 150H · N Las Vegas, NV · Accident · 1 fatal · Closed · Jul 17, 1968 · N22987 · Destroyed
- [NTSB OAK67A0037](https://openairdocs.org/ntsb/OAK67A0037.md): Piper PA-24 · Baker, NV · Accident · 1 fatal · Closed · Sep 18, 1966 · N7926P · Destroyed
- [NTSB LAX66A0014](https://openairdocs.org/ntsb/LAX66A0014.md): Globe Swift GC1B · Carson City, NV · Accident · 2 fatal · Closed · Aug 1, 1965 · N78073 · 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" = 'NV' 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=NV

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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.
