# NTSB investigations: 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.

Page 11 of 40 · 1,981 cases

## Cases, newest first

- [NTSB GAA21WA121](https://openairdocs.org/ntsb/GAA21WA121.md): Piper PA38 · Bad Sobernheim, Germany · Accident · Serious injuries · Class 5 · Foreign · May 15, 2021 · D-EBEU · Substantial damage
- [NTSB GAA21WA120](https://openairdocs.org/ntsb/GAA21WA120.md): Storm Fury RG · Mucia, Spain, Spain · Accident · 1 fatal · Class 5 · Foreign · May 8, 2021 · EC-XSB
- [NTSB GAA21WA111](https://openairdocs.org/ntsb/GAA21WA111.md): Robinson R44 · Estepona, Spain · Accident · 1 fatal · Class 5 · Foreign · May 7, 2021 · UNK · Destroyed
- [NTSB GAA21WA100](https://openairdocs.org/ntsb/GAA21WA100.md): Bell 206 · Rio Bravo, Guatemala · Accident · 4 fatal · Class 5 · Foreign · May 2, 2021 · TG-SEN · Substantial damage
- [NTSB CEN21LA204](https://openairdocs.org/ntsb/CEN21LA204.md): Piper J3C-65 · Slaughter, LA · Accident · 1 fatal · Class 3 · Limited · Final report · Apr 26, 2021 · N26783 · Substantial damage
  > A total loss of engine power for reasons that could not be determined from the available evidence.
- [NTSB GAA21WA088](https://openairdocs.org/ntsb/GAA21WA088.md): Agusta A119 · Nuevo Laredo, Mexico · Accident · 1 fatal · Class 5 · Foreign · Apr 23, 2021 · N119AA · Substantial damage
- [NTSB GAA21WA086](https://openairdocs.org/ntsb/GAA21WA086.md): Sikorsky S76C+ · Oak Cheon Goon, South Korea · Accident · 1 fatal · Class 5 · Foreign · Apr 21, 2021 · HL9285 · Substantial damage
- [NTSB GAA21WA081](https://openairdocs.org/ntsb/GAA21WA081.md): Cessna 172 · Canberra, Australia · Accident · 2 fatal · Class 5 · Foreign · Apr 13, 2021 · VH-DLA · Destroyed
- [NTSB WPR21LA164](https://openairdocs.org/ntsb/WPR21LA164.md): Cessna 208B · Fairbanks, AK · Accident · No injuries · Class 3 · Limited · Final report · Apr 3, 2021 · N215MC · Substantial damage
  > A partial loss of engine power for reasons that could not be determined based on available evidence.
- [NTSB GAA21WA064](https://openairdocs.org/ntsb/GAA21WA064.md): Piper PA46 · Iztapa, Guatemala · Accident · Minor injuries · Class 5 · Foreign · Apr 2, 2021 · TG-JAO · Substantial damage
- [NTSB GAA21WA066](https://openairdocs.org/ntsb/GAA21WA066.md): Cessna 150 · Cajeme, Sonora, Mexico · Accident · No injuries · Class 5 · Foreign · Mar 30, 2021 · XB-AUQ · Substantial damage
- [NTSB GAA21WA061](https://openairdocs.org/ntsb/GAA21WA061.md): Cessna T206H · Quintana Roo, Mexico, Mexico · Accident · 2 fatal · Class 5 · Foreign · Mar 30, 2021 · XA-UPC
- [NTSB GAA21WA060](https://openairdocs.org/ntsb/GAA21WA060.md): Cessna 401 · Hermosillo, Mexico, Mexico · Accident · 7 fatal · Class 5 · Foreign · Mar 27, 2021 · XB-HSW
- [NTSB GAA21WA055](https://openairdocs.org/ntsb/GAA21WA055.md): Cessna 172 · Toledo, Spain · Accident · No injuries · Class 5 · Foreign · Mar 19, 2021 · EC-FJS · Substantial damage
- [NTSB GAA21WA053](https://openairdocs.org/ntsb/GAA21WA053.md): Robinson R44 · Leksand, Sweden · Accident · 1 fatal · Class 4 · Foreign · Mar 17, 2021 · SE-JVF · Destroyed
- [NTSB GAA21WA052](https://openairdocs.org/ntsb/GAA21WA052.md): Cessna 188 · La Cruz, Mexico · Accident · Class 5 · Foreign · Mar 17, 2021 · XB-MQA
- [NTSB GAA21WA087](https://openairdocs.org/ntsb/GAA21WA087.md): Bell 212 · Bowen Island, Canada · Accident · Minor injuries · Class 5 · Foreign · Mar 5, 2021 · C-GNYI · Substantial damage
- [NTSB GAA21WA040](https://openairdocs.org/ntsb/GAA21WA040.md): Piper PA-28-161 · Acklin, Bahamas · Accident · 2 fatal · Class 4 · Foreign · Mar 5, 2021 · N2932Y · Destroyed
- [NTSB GAA21WA037](https://openairdocs.org/ntsb/GAA21WA037.md): Beech B300 · Ji'an City Jiangxi Province, China · Accident · 5 fatal · Class 5 · Foreign · Mar 1, 2021 · B-10GD · Substantial damage
- [NTSB GAA21WA063](https://openairdocs.org/ntsb/GAA21WA063.md): Piper PA25 · Panuco, Veracruz, Mexico · Accident · Class 5 · Foreign · Feb 28, 2021 · XB-JEF
- [NTSB GAA21WA033](https://openairdocs.org/ntsb/GAA21WA033.md): Aviat A1C-180 · Nanyuki, Kenya · Accident · 2 fatal · Class 5 · Foreign · Feb 11, 2021 · 5Y-KWL · Destroyed
- [NTSB GAA21WA018](https://openairdocs.org/ntsb/GAA21WA018.md): Bell 206B · Courchevel, France · Accident · 2 fatal · Class 4 · Foreign · Feb 9, 2021 · F-HUBA · Destroyed
- [NTSB ENG21WA017](https://openairdocs.org/ntsb/ENG21WA017.md): Boeing 737 · Kinshasa, Congo - Kinshasa · Incident · Class 5 · Foreign · Feb 6, 2021 · 9S-AII · Minor damage
- [NTSB GAA21WA015](https://openairdocs.org/ntsb/GAA21WA015.md): Air Tractor AT402 · Hoopstad, South Africa · Accident · 1 fatal · Class 5 · Foreign · Jan 22, 2021 · ZS-TCJ · Substantial damage
- [NTSB ANC21WA011](https://openairdocs.org/ntsb/ANC21WA011.md): Robinson R44 · Eaglesham, Canada · Accident · 4 fatal · Class 5 · Foreign · Jan 2, 2021 · C-FBGT · Destroyed
- [NTSB WPR21WA081](https://openairdocs.org/ntsb/WPR21WA081.md): Robinson R66 · Pulau Indah, Port Klang, Malaysia · Accident · Minor injuries · Class 5 · Foreign · Jan 1, 2021 · 9M-SAW · Substantial damage
- [NTSB ANC21WA009](https://openairdocs.org/ntsb/ANC21WA009.md): Robinson R66 · Ojiro in Shimada-City, Shizuoka, Japan · Accident · 1 fatal · Class 5 · Foreign · Dec 30, 2020 · JA77AR
- [NTSB CEN21LA088](https://openairdocs.org/ntsb/CEN21LA088.md): Rans S12XL · Port Isabel, TX · Accident · 2 fatal · Class 3 · Limited · Final report · Dec 16, 2020 · N449JP · Substantial damage
  > An exceedance of the airplane’s critical angle of attack and aerodynamic stall following a loss of engine power during an unknown phase of flight, which resulted in an impact with terrain.
- [NTSB WPR21WA065](https://openairdocs.org/ntsb/WPR21WA065.md): Robinson R44 · Tallong, Australia · Accident · 2 fatal · Class 5 · Foreign · Dec 2, 2020 · VH-HGU · Destroyed
- [NTSB WPR21WA062](https://openairdocs.org/ntsb/WPR21WA062.md): Cessna 172 · Katale, Uganda · Accident · 1 fatal · Class 5 · Foreign · Nov 18, 2020 · N7834M · Destroyed
- [NTSB CEN21WA063](https://openairdocs.org/ntsb/CEN21WA063.md): Rotorsport UK Cavalon · Avoch, United Kingdom · Accident · 1 fatal · Class 5 · Foreign · Nov 12, 2020 · G-CKYT · Destroyed
- [NTSB CEN21WA042](https://openairdocs.org/ntsb/CEN21WA042.md): Piper PA34 · Reus, Spain · Accident · 2 fatal · Class 5 · Foreign · Nov 3, 2020 · EC-HCA · Substantial damage
- [NTSB ANC21LA004](https://openairdocs.org/ntsb/ANC21LA004.md): AutoGyro MTO Sport · Whitewater, KS · Accident · 2 fatal · Class 3 · Limited · Final report · Nov 3, 2020 · N455WM · Destroyed
  > A loss of control for reasons that could not be determined based on the available evidence.
- [NTSB CEN21LA035](https://openairdocs.org/ntsb/CEN21LA035.md): Piper PA28 · Crystal Beach, TX · Accident · No injuries · Class 3 · Limited · Final report · Oct 26, 2020 · N32458 · Substantial damage
  > The partial loss of engine power for reasons that could not be determined.
- [NTSB CEN21FA024](https://openairdocs.org/ntsb/CEN21FA024.md): Glasair III · Ford Heights, IL · Accident · 1 fatal · Class 3 · Field · Final report · Oct 20, 2020 · N713MJ · Substantial damage
  > The loss of engine power for reasons that could not be determined based on the available evidence.
- [NTSB CEN21WA013](https://openairdocs.org/ntsb/CEN21WA013.md): Cessna FRA150 · Troutbeck, United Kingdom · Accident · 1 fatal · Class 5 · Foreign · Oct 11, 2020 · G-CIIR
- [NTSB GAA21WA175](https://openairdocs.org/ntsb/GAA21WA175.md): Pioneer 300 · Loches, France · Accident · 5 fatal · Class 5 · Foreign · Oct 10, 2020 · 37AHH · 2 aircraft
- [NTSB CEN21WA036](https://openairdocs.org/ntsb/CEN21WA036.md): Cessna TU206G · Los Laureles, Mexico · Accident · 2 fatal · Class 5 · Foreign · Sep 16, 2020 · XB-LVT · Destroyed
- [NTSB CEN20LA392](https://openairdocs.org/ntsb/CEN20LA392.md): Cessna 172 · Cottage Grove, MN · Accident · 3 fatal · Class 3 · Limited · Final report · Sep 13, 2020 · N8488L · Destroyed
  > A steep descent and impact with terrain for reasons that could not be determined based on the available information.
- [NTSB WPR20WA294](https://openairdocs.org/ntsb/WPR20WA294.md): Bell 206 · Lago, Nigeria · Accident · No injuries · Foreign investigation · Aug 28, 2020 · 5N-BQW · Destroyed
  > The government of Nigeria has notified the NTSB of an accident involving a BELL 206 helicopter that occurred on August 28, 2020. The NTSB has appointed a U.S. Accredited Representative to assist the government of Nigeria's investigation under the provisions…
- [NTSB WPR20LA279](https://openairdocs.org/ntsb/WPR20LA279.md): Cessna 150 · Quillayute, WA · Accident · Fatal · Class 4 · Limited · Final report · Aug 19, 2020 · N11513 · Substantial damage
  > The airplane’s descent into trees and subsequent impact with terrain for undetermined reasons.
- [NTSB CEN20WA319](https://openairdocs.org/ntsb/CEN20WA319.md): Rans S12 · Sergio Perez de Leon, Mexico · Accident · No injuries · Foreign investigation · Jul 29, 2020 · Unknown · Substantial damage
  > The government of Mexico has notified the NTSB of an accident involving a RANS S12 airplane that occurred on July 29, 2020. The NTSB has appointed a U.S. Accredited Representative to assist the government of Mexico's investigation under the provisions of ICAO…
- [NTSB ENG20WA038](https://openairdocs.org/ntsb/ENG20WA038.md): Piper PA28RT · Basel, Switzerland · Accident · No injuries · Class 5 · Foreign · Jul 23, 2020 · HB-PNP · Destroyed
- [NTSB WPR20LA225](https://openairdocs.org/ntsb/WPR20LA225.md): Vans RV 8 · Grimes, CA · Accident · No injuries · Class 3 · Limited · Final report · Jul 17, 2020 · N508CM · Substantial damage
  > A partial loss of engine power for reasons that could not be determined because the airplane was not examined.
- [NTSB CEN20LA266](https://openairdocs.org/ntsb/CEN20LA266.md): Lancair ES-P · Pauls Valley, OK · Accident · Serious injuries · Class 3 · Limited · Final report · Jul 6, 2020 · N444TW · Destroyed
  > The reason for this accident could not be determined based on the available information.
- [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 ENG20WA037](https://openairdocs.org/ntsb/ENG20WA037.md): Airbus A320 · Tijuana, Mexico · Incident · No injuries · Foreign investigation · Jun 16, 2020 · N526VL · No damage
  > The Mexican government has notified the NTSB of an incident involving an Airbus A330-202 that occurred June 16, 2020. The NTSB has appointed a U.S. Accredited Representative to assist the Direccion de Analisis de Accidentes e Incidentes de Aviacion (DGAC) of…
- [NTSB CEN20WA433](https://openairdocs.org/ntsb/CEN20WA433.md): Cirrus SR22 · Foreign, United Kingdom · Accident · No injuries · Class 5 · Foreign · May 31, 2020 · G-CTAM · Substantial damage
- [NTSB CEN20WA198](https://openairdocs.org/ntsb/CEN20WA198.md): Cessna 150 · Blomberg, Germany · Accident · 1 fatal · Foreign investigation · May 27, 2020 · D-ECVT · Destroyed
  > The government of Germany has notified the NTSB of an accident involving a CESSNA 150 airplane that occurred on May 27, 2020. The NTSB has appointed a U.S. Accredited Representative to assist the government of Germany's investigation under the provisions of…
- [NTSB CEN20WA209](https://openairdocs.org/ntsb/CEN20WA209.md): Piper PA38 · Kena, Lithuania · Accident · 2 fatal · Foreign investigation · May 9, 2020 · LY-ATM
  > The National Transportation Safety Board was notified of an accident involving a Piper PA-38-112 airplane, LY-ATM, near Kena, Lithuania. This investigation is under the jurisdiction of Ministry of Justice of the Republic of Lithuania, Transport Accident and…

Next page: https://openairdocs.org/ntsb-phases/990/cases.md?page=12

## 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."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?page=11

---
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.