# NTSB investigations, 2011: Aircraft inspection event

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 ENG12IA013](https://openairdocs.org/ntsb/ENG12IA013.md): Beech 1900D · Denver International Airport, CO · Incident · No injuries · Incident investigation · Final report · Dec 3, 2011 · N247GL · Minor damage
  > A failure of the nose landing gear end cap due to fatigue. Contributing to the failure were the ineffective inspection and the unknown effect of grain direction on fatigue life.
- [NTSB CEN12CA016](https://openairdocs.org/ntsb/CEN12CA016.md): Cessna 182A · Skiatook, OK · Accident · No injuries · Data collection · Final report · Oct 12, 2011 · N6171B · Substantial damage
  > A total loss of engine power due to fuel exhaustion as a result of the pilot’s improper fuel management.
- [NTSB CEN12CA003](https://openairdocs.org/ntsb/CEN12CA003.md): Sadler Terry Rans S-7 Courier · Riley, KS · Accident · Serious injuries · Data collection · Final report · Oct 1, 2011 · N2417T · Substantial damage
  > A total loss of engine power during takeoff due to fuel starvation as a result of the pilot’s inadequate preflight inspection and failure to ensure that the fuel shutoff valve was turned on before departure.
- [NTSB CEN11CA633](https://openairdocs.org/ntsb/CEN11CA633.md): Beech 95-B55 (T42A) · Damon, TX · Accident · No injuries · Data collection · Final report · Sep 6, 2011 · N742LB · Substantial damage
  > The pilot’s improper fuel management during cruise flight, which resulted in a total loss of engine power due to fuel starvation.
- [NTSB WPR11LA352](https://openairdocs.org/ntsb/WPR11LA352.md): Eurocopter AS 350 B3 · Troutdale, OR · Accident · No injuries · Limited investigation · Final report · Jul 27, 2011 · N808LF · Substantial damage
  > The in-flight separation of the tail rotor drive shaft cover as a result of maintenance personnel not ensuring that it was secured after a maintenance inspection; also causal was the pilot’s inadequate preflight inspection of the helicopter.
- [NTSB CEN11LA414](https://openairdocs.org/ntsb/CEN11LA414.md): Enstrom F-28C-2 · Blair, NE · Accident · No injuries · Limited investigation · Final report · Jun 23, 2011 · N5694A · Substantial damage
  > The failure of a tail rotor pitch change link due to the retaining bolt becoming separated in flight. Contributing to the accident was the pilot’s inadequate preflight inspection.
- [NTSB WPR11LA266](https://openairdocs.org/ntsb/WPR11LA266.md): Cessna 172P · Mount Pleasant, UT · Accident · Serious injuries · Limited investigation · Final report · Jun 18, 2011 · N65654 · Substantial damage
  > The pilot’s failure to determine the airplane’s fuel quantity before takeoff, which resulted in a loss of engine power due to fuel exhaustion.
- [NTSB WPR11LA263](https://openairdocs.org/ntsb/WPR11LA263.md): Beech B23 · Jean, NV · Accident · No injuries · Limited investigation · Final report · Jun 18, 2011 · N6991Q · Substantial damage
  > The student pilot’s improper in-flight fuel management when he did not switch to the fullest fuel tank when the engine began to lose power, which resulted in fuel starvation and the complete loss of engine power during maneuvering flight. Contributing to the…
- [NTSB ANC11CA033](https://openairdocs.org/ntsb/ANC11CA033.md): Piper PA-12 · Wasilla, AK · Accident · Minor injuries · Data collection · Final report · May 17, 2011 · N7690H · Substantial damage
  > The pilot's inadequate preflight inspection, resulting in a departure with the fuel selector in the "off" position, a subsequent loss of engine power, and an off-airport emergency landing.
- [NTSB WPR11LA202](https://openairdocs.org/ntsb/WPR11LA202.md): Rans S-12 · Marana, AZ · Accident · No injuries · Limited investigation · Final report · Apr 16, 2011 · N107JL · Substantial damage
  > The pilot's failure to conduct an adequate preflight inspection, which resulted in a loss of engine coolant during climb due to an unsecured tank cap. Contributing to the accident was the pilot's failure to use available engine power to ensure a landing on an…
- [NTSB CEN11IA156](https://openairdocs.org/ntsb/CEN11IA156.md): Sikorsky 92 · Galliano, LA · Incident · No injuries · Incident investigation · Final report · Jan 19, 2011 · N920AL · Minor damage
  > The misalignment of the retaining washer during routine maintenance, resulting in the subsequent separation of the washer and nut.
- [NTSB ERA11IA172](https://openairdocs.org/ntsb/ERA11IA172.md): Mitsubishi MU-2B-20 · Walterboro, SC · Incident · No injuries · Incident investigation · Final report · Jan 16, 2011 · N52CD · Minor damage
  > The inadequate inspection and rigging of the nose landing gear downlock mechanism by maintenance personnel, which resulted in the failure of a bolt and the subsequent collapse of the nose gear during the landing roll.

## 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") = 2011
  AND c."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '050' 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/050/sequence?year=2011

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