# NTSB investigations, 2009: Flight instrument malf/fail

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 CEN10LA068](https://openairdocs.org/ntsb/CEN10LA068.md): Beech V35 · Dodge City, KS · Accident · No injuries · Limited investigation · Final report · Dec 6, 2009 · N108L · Substantial damage
  > The failure of the pitot heat system in icing conditions resulting in an inoperative airspeed indicator which led to an inadvertant stall while on final approach. Contributing to the accident was the pilot's decision to fly into known icing conditions.
- [NTSB ERA09FA376](https://openairdocs.org/ntsb/ERA09FA376.md): Pilatus PC-12/45 · Raphine, VA · Accident · 4 fatal · Field investigation · Final report · Jul 5, 2009 · N578DC · Substantial damage
  > The pilot's failure to maintain control of the airplane while in instrument meteorological conditions following a reported instrumentation failure for undetermined reasons.
- [NTSB DCA09IA064](https://openairdocs.org/ntsb/DCA09IA064.md): Airbus A330-323 · Kagoshima, Japan · Incident · No injuries · Incident investigation · Final report · Jun 23, 2009 · N805NW · No damage
  > Brief and temporary blockage of the pitot probes in cruise flight, most likely due to ice crystals aloft, leading to erroneous airspeed indications and airplane automation degradation as designed. Contributing to the incidents were design features of the…
- [NTSB ERA09CA333](https://openairdocs.org/ntsb/ERA09CA333.md): Chatham Robert M RV6-A · Gilbert, SC · Accident · No injuries · Data collection · Final report · Jun 9, 2009 · N55EC · Substantial damage
  > The pilot’s failure to maintain directional control of the airplane during landing roll. Contributing to the accident was the airspeed indicator that became inoperative during the landing approach.
- [NTSB CEN09CA342](https://openairdocs.org/ntsb/CEN09CA342.md): Beech S35 · Decatur, TX · Accident · No injuries · Data collection · Final report · Jun 5, 2009 · N8636Q · Substantial damage
  > Both pilots' inadequate preflight inspection and failure to identify the presence of dirt and insect larvae in the pitot tube, and the owner-pilot's attempt to turn off the runway and onto the taxiway at an excessive speed during the aborted takeoff.
- [NTSB DCA09IA055](https://openairdocs.org/ntsb/DCA09IA055.md): Airbus A330 · Los Cayes, Haiti · Incident · No injuries · Incident investigation · Final report · May 22, 2009 · PT-MVB · No damage
  > The final report for this incident was combined with and can be found under NTSB Investigation number, DCA09IA064.
- [NTSB CEN09LA281](https://openairdocs.org/ntsb/CEN09LA281.md): Cessna 551 · Stillwater, OK · Accident · No injuries · Limited investigation · Final report · May 5, 2009 · N740JB · Substantial damage
  > The pilot's loss of control for undetermined reasons.
- [NTSB CEN09LA276](https://openairdocs.org/ntsb/CEN09LA276.md): Hawkins August E Aventura II · Griffith, IN · Accident · Serious injuries · Limited investigation · Final report · May 2, 2009 · N20GH · Substantial damage
  > The pilot's failure to maintain control of the airplane due to an inadvertent stall. Contributing to the accident was the failure of the airspeed indicator due to separation of the pitot-static line at the left wing root.

## 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") = 2009
  AND c."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '334' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent"))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/334/sequence?year=2009

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