# NTSB investigations, 2011: Air traffic 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 OPS11IA819](https://openairdocs.org/ntsb/OPS11IA819.md): Embraer EMB-135KL · Chicago, IL · Incident · No injuries · Incident investigation · Final report · Aug 8, 2011 · N377SK · 2 aircraft · No damage
  > The improper air traffic control takeoff clearance issued by the local controller because of his lack of monitoring and lack of awareness of the conflicting arrival airplane.
- [NTSB OPS11IA673](https://openairdocs.org/ntsb/OPS11IA673.md): Embraer EMB-145EP · Gulfport, MS · Incident · No injuries · Incident investigation · Final report · Jun 19, 2011 · N13929 · 2 aircraft · No damage
  > the Gulfport control tower local controller cleared two aircraft for takeoff from runways with intersecting departure flight paths without ensuring the first aircraft had passed the flight path intersection prior to clearing the second aircraft for takeoff.
- [NTSB OPS11IA653](https://openairdocs.org/ntsb/OPS11IA653.md): Beech 1900C · Fairbanks, AK · Incident · No injuries · Incident investigation · Final report · Jun 14, 2011 · N121WV · 2 aircraft · No damage
  > Inadequate air traffic control actions that failed to establish and maintain required separation between the two airplanes. Contributing to the incident was inexperience on the part of the local controller, inadequate oversight by the tower…
- [NTSB OPS11IA552](https://openairdocs.org/ntsb/OPS11IA552.md): Embraer EMB-145LR · Chicago, IL · Incident · No injuries · Incident investigation · Final report · May 16, 2011 · N15574 · 2 aircraft · No damage
  > The air traffic controller’s failure to adhere to runway separation requirements and his issuance of an improper takeoff clearance. Contributing to the incident was the controller's failure to recall that there was an arrival inbound to a crossing runway.
- [NTSB DCA11WA054](https://openairdocs.org/ntsb/DCA11WA054.md): Boeing 767 · Fukuoka, Japan · Incident · No injuries · Foreign investigation · May 10, 2011 · JA602A · 2 aircraft · No damage
  > The Japan Transport Safety Board (JTSB) has notified the NTSB of an incident involving a B767-300 and a DHC-8-402 that occurred on May 10, 2011. The NTSB has appointed a U.S. Accredited Representative to assist the JTSB investigation under the provisions of…
- [NTSB OPS11IA499](https://openairdocs.org/ntsb/OPS11IA499.md): Boeing 737 · Camp Springs, MD · Incident · No injuries · Incident investigation · Final report · Apr 18, 2011 · 2 aircraft · No damage
  > The misapplication of wake turbulence and instrument flight rules (IFR) separation criteria by air traffic controllers.
- [NTSB OPS11IA401](https://openairdocs.org/ntsb/OPS11IA401.md): Arlington, VA · Incident · No injuries · Incident investigation · Final report · Mar 23, 2011 · No damage
  > The tower controller's loss of consciousness induced by lack of sleep, fatigue resulting from working successive midnight shifts, and air traffic control scheduling practices.
- [NTSB OPS11IA410](https://openairdocs.org/ntsb/OPS11IA410.md): Boeing 757-232 · Atlanta, GA · Incident · No injuries · Incident investigation · Final report · Mar 11, 2011 · N693DL · No damage
  > The air traffic controllers’ failure to adhere to required radar identification procedures, which resulted in loss of separation between the departing Boeing 757 and three other airplanes. Contributing to the incident was the pilots’ inadequate preflight…
- [NTSB CEN11CA166](https://openairdocs.org/ntsb/CEN11CA166.md): Mcholland C L Solitare · Wellington, CO · Accident · No injuries · Data collection · Final report · Jan 29, 2011 · N15XP · Substantial damage
  > The glider pilot’s misjudgment while approaching to land, which resulted in an off-airport landing.

## 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" = '100' 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/100/sequence?year=2011

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