# NTSB investigations: Comm system malf/failure

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 GAA26WA247](https://openairdocs.org/ntsb/GAA26WA247.md): Piper PA28 · Roszczep, Poland · Accident · No injuries · Class 5 · Foreign · May 21, 2026 · SE-EOT · Substantial damage
- [NTSB DCA26WA036](https://openairdocs.org/ntsb/DCA26WA036.md): Embraer ERJ170 · Greenwich, CT · Occurrence · No injuries · Class 5 · Foreign · Nov 22, 2025 · C-FRQM · No damage
- [NTSB ENG25WA046](https://openairdocs.org/ntsb/ENG25WA046.md): Airbus A321 · Mérignac, France · Incident · Class 5 · Foreign · Jan 13, 2025 · PH-YHA · No damage
- [NTSB DCA24WA331](https://openairdocs.org/ntsb/DCA24WA331.md): Airbus A320 · Bordeaux-Merignac, France · Incident · Class 5 · Foreign · Sep 20, 2024 · EI-NSF · No damage
- [NTSB GAA24WA051](https://openairdocs.org/ntsb/GAA24WA051.md): Diamond DA20-C1 · Cooking Lake, Canada · Accident · 2 fatal · Class 5 · Foreign · Aug 11, 2023 · C-FRZG
- [NTSB DCA23WA366](https://openairdocs.org/ntsb/DCA23WA366.md): Airbus A320 · Barcelona, Spain · Incident · Minor injuries · Class 5 · Foreign · Jul 16, 2023 · EC-JTR · Minor damage
- [NTSB DCA23WA476](https://openairdocs.org/ntsb/DCA23WA476.md): Boeing 787 · Dubai, United Arab Emirates · Incident · No injuries · Class 4 · Foreign · Mar 10, 2023 · AC9-FG · No damage
- [NTSB DCA23WA475](https://openairdocs.org/ntsb/DCA23WA475.md): Boeing 737 · Dubai, Qatar · Incident · Class 4 · Foreign · Mar 10, 2023 · AC9-FG · No damage
- [NTSB DCA22WA165](https://openairdocs.org/ntsb/DCA22WA165.md): drone Viper Pro · Felthorpe, United Kingdom · Accident · Class 5 · Foreign · Jul 30, 2022 · UNREG
- [NTSB GAA22WA116](https://openairdocs.org/ntsb/GAA22WA116.md): Cruiser PS-28 · Casarrubios, Spain · Accident · No injuries · Class 5 · Foreign · Jan 10, 2022 · EC-NKP · Substantial damage
- [NTSB DCA22LA015](https://openairdocs.org/ntsb/DCA22LA015.md): Embraer S A ERJ 170-200 LR · Miami, FL · Accident · Serious injuries · Class 4 · Limited · Final report · Oct 23, 2021 · N252NN · No damage
  > An abrupt jerk of the airplane as the captain applied the parking brake during the tow that caused a flight attendant to fall and break her wrist.
- [NTSB OPS21LA003](https://openairdocs.org/ntsb/OPS21LA003.md): Boeing 737-8H4 · San Diego, CA · Incident · No injuries · Class 3 · Limited · Final report · Jun 11, 2021 · N8674B · 2 aircraft · No damage
  > The blocked go-around radio instruction from the air traffic control tower to the arrival aircraft which resulted in the arrival aircraft continuing the landing approach. This led to a loss of separation between the landing aircraft and the aircraft awaiting…
- [NTSB WPR20LA054](https://openairdocs.org/ntsb/WPR20LA054.md): Mitsubishi MU2B · Big Piney, WY · Accident · No injuries · Class 3 · Limited · Final report · Dec 30, 2019 · N43866 · Substantial damage
  > The failure of the right propeller position to correspond to the throttle change when moved to the beta position for reasons that could not be determined based on available evidence.
- [NTSB GAA17CA398](https://openairdocs.org/ntsb/GAA17CA398.md): Robinson Helicopter R44 II · Pocahontas, IL · Accident · No injuries · Data collection · Final report · Jul 7, 2017 · N62FA · Substantial damage
  > The helicopter pilot’s miscommunication with the ground crewmember during reloading operations, which resulted in a takeoff with the filler hose attached to the helicopter and subsequent impact with a truck.
- [NTSB ANC13LA063](https://openairdocs.org/ntsb/ANC13LA063.md): Curtiss Wright C-46F · Fairbanks, AK · Accident · No injuries · Limited investigation · Final report · Jul 3, 2013 · N1837M · Substantial damage
  > The failure of the right main landing gear side brace due to fatigue, which resulted in a collapse of the right main landing gear.

## 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."mKey" IN (SELECT e.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e."isDefiningEvent" AND e."tier2Number" = '336')
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/336/cases

---
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.