# NTSB investigations, 2011: Loss of visual reference

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 ERA12WA113](https://openairdocs.org/ntsb/ERA12WA113.md): Robinson R44 · Sao Bento do Sul, Brazil · Accident · 1 fatal · Foreign investigation · Dec 9, 2011 · PR-KLA · Substantial damage
  > On December 9, 2011 at 1630 universal coordinated time, a Robinson R44, Brazilian registration PR-KLA, operated by SASH Locacao de Veiculos LTDA, as a personal flight, impacted terrain in the vicinity of Fazenda Coqueiros, Sao Bento do Sul, Santa Catarina,…
- [NTSB ANC12FA009](https://openairdocs.org/ntsb/ANC12FA009.md): Cessna 207 · Chuathbaluk, AK · Accident · 1 fatal · Field investigation · Final report · Nov 29, 2011 · N1673U · Substantial damage
  > The pilot’s loss of situational awareness after an inadvertent encounter with instrument meteorological conditions, which resulted in an in-flight collision with tree-covered terrain.
- [NTSB CEN12CA065](https://openairdocs.org/ntsb/CEN12CA065.md): Cessna 182J · Alexandria, MN · Accident · No injuries · Data collection · Final report · Nov 12, 2011 · N3051F · Substantial damage
  > The pilot's failure to maintain directional control during the night landing.
- [NTSB ANC11TA110](https://openairdocs.org/ntsb/ANC11TA110.md): Bell 206 B3 · Seward, AK · Accident · No injuries · Final report · Sep 23, 2011 · N204PA · Substantial damage
  > The pilot's failure to maintain clearance from snow-covered terrain during hover in deteriorating weather and flat light conditions, which resulted in a tail rotor strike.
- [NTSB WPR11FA395](https://openairdocs.org/ntsb/WPR11FA395.md): Maule M-7-235C · Brookings, OR · Accident · 1 fatal · Field investigation · Final report · Aug 21, 2011 · N199BF · Substantial damage
  > The pilot’s improper decision to continue flight under visual flight rules into instrument meteorological conditions, which resulted in a collision with trees while on approach for landing.
- [NTSB ANC11FA077](https://openairdocs.org/ntsb/ANC11FA077.md): Cessna 207 · McGrath, AK · Accident · 2 fatal · Field investigation · Final report · Aug 14, 2011 · N91099 · Substantial damage
  > The pilot's decision to continue visual flight rules flight into instrument meteorological conditions, which resulted in an in-flight collision with mountainous terrain.
- [NTSB CEN11FA557](https://openairdocs.org/ntsb/CEN11FA557.md): Piper PA-23 · Millersburg, OH · Accident · 3 fatal · Field investigation · Final report · Aug 8, 2011 · N2286P · Substantial damage
  > The pilot’s failure to maintain clearance with terrain during the landing approach in night conditions and fog. Contributing to the accident was the pilot’s inadequate preflight planning.
- [NTSB CEN11CA545](https://openairdocs.org/ntsb/CEN11CA545.md): Ayres S2R-G6 · Forest City, IA · Accident · No injuries · Data collection · Final report · Jul 28, 2011 · N331BF · Substantial damage
  > The pilot's inadequate visual lookout during an aerial application run, which resulted in an in-flight collision with a windmill.
- [NTSB ANC11FA069](https://openairdocs.org/ntsb/ANC11FA069.md): Cessna 182P · Juneau, AK · Accident · 2 fatal · Field investigation · Final report · Jul 24, 2011 · N7304S · Substantial damage
  > The pilot's continued visual flight into instrument meteorological conditions, which resulted in an in-flight collision with mountainous terrain. Contributing to the accident was the pilot's self-induced pressure to reach his destination.
- [NTSB ERA11FA412](https://openairdocs.org/ntsb/ERA11FA412.md): Cessna 182S · Erwin, NC · Accident · 2 fatal · Field investigation · Final report · Jul 21, 2011 · N23739 · Substantial damage
  > The pilot’s loss of control due to spatial disorientation while maneuvering in dark night conditions.
- [NTSB CEN11FA468](https://openairdocs.org/ntsb/CEN11FA468.md): Robinson Helicopter R44 II · Rising Sun, IN · Accident · 1 fatal · Field investigation · Final report · Jul 9, 2011 · N42333 · Substantial damage
  > The noninstrument-rated pilot's decision to continue the visual flight rules flight into instrument meteorological conditions, which resulted in his spatial disorientation and failure to maintain clearance from terrain.
- [NTSB CEN11CA314](https://openairdocs.org/ntsb/CEN11CA314.md): Prichard Kevin Legacy 2K · Kansas City, MO · Accident · No injuries · Data collection · Final report · May 2, 2011 · N50KP · Substantial damage
  > The pilot's misjudgment of the landing area, which resulted in the airplane touching down on a grass area adjacent to the runway and between parallel taxiways.
- [NTSB ERA11CA226](https://openairdocs.org/ntsb/ERA11CA226.md): Cessna U206C · Bridgeport, CT · Accident · No injuries · Data collection · Final report · Apr 2, 2011 · N100HA · Substantial damage
  > The pilot's delayed decision to perform a go-around which resulted in a hard 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" = '402' 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/402/sequence?year=2011

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