# NTSB investigations, 2010: Emergency descent

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 CEN11LA101](https://openairdocs.org/ntsb/CEN11LA101.md): Beech 95-C55 · Claremore, OK · Accident · Serious injuries · Limited investigation · Final report · Dec 3, 2010 · N211DS · Substantial damage
  > A loss of engine power on both engines for undetermined reasons.
- [NTSB CEN11CA068](https://openairdocs.org/ntsb/CEN11CA068.md): Schweizer 300C · Broomfield, CO · Accident · No injuries · Data collection · Final report · Nov 14, 2010 · N299RJ · Substantial damage
  > The pilot’s inadequate fuel planning, which resulted in a loss of engine power due to fuel exhaustion. Contributing to the accident was the pilot's improper execution of an autorotation, which resulted in a hard landing.
- [NTSB WPR11CA031](https://openairdocs.org/ntsb/WPR11CA031.md): Robinson Helicopter R22 Beta · Prescott, AZ · Accident · Minor injuries · Data collection · Final report · Oct 29, 2010 · N844SH · Substantial damage
  > The student pilot's failure to maintain the proper airspeed and the certificated flight instructor's inadequate supervision and delayed remedial action during a practice autorotation, which resulted in a hard landing and rollover.
- [NTSB CEN11FA029](https://openairdocs.org/ntsb/CEN11FA029.md): American Champion 8KCAB · Sebewaing, MI · Accident · 2 fatal · Field investigation · Final report · Oct 18, 2010 · N105AC · Substantial damage
  > The pilot's failure to maintain airspeed and aircraft control following a loss of engine power after takeoff.
- [NTSB ERA10CA432](https://openairdocs.org/ntsb/ERA10CA432.md): Schweizer 269C-1 · Titusville, FL · Accident · No injuries · Data collection · Final report · Aug 18, 2010 · N1542D · Substantial damage
  > The instructor's delayed remedial action, which resulted in a loss of rotor rpm and a hard landing.
- [NTSB CEN10LA483](https://openairdocs.org/ntsb/CEN10LA483.md): Cirrus Design SR22 · Idabel, OK · Accident · No injuries · Limited investigation · Final report · Aug 16, 2010 · N513CM · Substantial damage
  > A loss of engine power for undetermined reasons.
- [NTSB CEN10LA408](https://openairdocs.org/ntsb/CEN10LA408.md): Schweizer 269C · Minden, NE · Accident · No injuries · Limited investigation · Final report · Jul 19, 2010 · N410JM · Substantial damage
  > The pilot's inadequate flare during an autorotation, which resulted in a hard landing and subsequent rollover.
- [NTSB WPR10LA336](https://openairdocs.org/ntsb/WPR10LA336.md): Johnson Helicycle · Arlington, WA · Accident · Minor injuries · Limited investigation · Final report · Jul 8, 2010 · N62AJ · Substantial damage
  > An undetermined airframe vibration which led to precautionary autorotation and hard landing.
- [NTSB CEN10CA352](https://openairdocs.org/ntsb/CEN10CA352.md): Aerospatiale AS350 · Lake Charles, LA · Accident · No injuries · Data collection · Final report · Jun 26, 2010 · N191EH · Substantial damage
  > The flight instructor’s inadvertent entry into ground resonance when demonstrating a hydraulic failure running landing, which resulted in substantial damage to the helicopter. Contributing to the accident was the pilot's and instructor pilot's failure to…
- [NTSB ERA10LA294](https://openairdocs.org/ntsb/ERA10LA294.md): Swanson RV-9A · Ashland, VA · Accident · Minor injuries · Limited investigation · Final report · Jun 1, 2010 · N858JK · Substantial damage
  > The pilot's failure to obtain the proper touchdown point during a forced landing in gusting wind. Contributing to the accident was a total loss of engine power, likely due to carburetor ice.
- [NTSB CEN10CA280](https://openairdocs.org/ntsb/CEN10CA280.md): Hughes 269A · Cannon Falls, MN · Accident · No injuries · Data collection · Final report · Jun 1, 2010 · N8897F · Substantial damage
  > The pilot's failure to maintain rotor speed during the autorotation, which resulted in an excessive sink rate and a hard landing.
- [NTSB ERA10CA264](https://openairdocs.org/ntsb/ERA10CA264.md): Schweizer 269C · Ormond Beach, FL · Accident · No injuries · Data collection · Final report · May 13, 2010 · N113TA · Substantial damage
  > The student pilot’s improper use of collective and throttle during the landing flare.
- [NTSB ERA10CA262](https://openairdocs.org/ntsb/ERA10CA262.md): Hiller UH12 · Sarasota, FL · Accident · Minor injuries · Data collection · Final report · May 9, 2010 · N116S · Substantial damage
  > The pilot's delayed remedial action to maintain main rotor rpm, which resulted in a loss of lift and hard landing.
- [NTSB ERA10CA255](https://openairdocs.org/ntsb/ERA10CA255.md): Hughes 500 · West Palm Beach, FL · Accident · No injuries · Data collection · Final report · May 6, 2010 · N5189K · Substantial damage
  > The commercial pilot's improper flare during a simulated autorotation, which resulted in a hard landing.
- [NTSB CEN10LA222](https://openairdocs.org/ntsb/CEN10LA222.md): Cross-Capps Breezy · Livingston, TX · Accident · Serious injuries · Limited investigation · Final report · Apr 23, 2010 · N125RT · Substantial damage
  > A loss of engine power for undetermined reasons.
- [NTSB ERA10FA138](https://openairdocs.org/ntsb/ERA10FA138.md): Beech 65 · Lawrenceville, GA · Accident · 1 fatal · Field investigation · Final report · Feb 8, 2010 · N130SP · Substantial damage
  > The failure of both engines for undetermined reasons.

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
WITH phase_names(main, name) AS (VALUES (100, 'Prior to flight'), (150, 'Standing'), (200, 'Pushback/towing'), (250, 'Taxi'), (300, 'Takeoff'), (350, 'Initial climb'), (400, 'Enroute'), (450, 'Maneuvering'), (500, 'Approach'), (550, 'Landing'), (600, 'Emergency descent'), (650, 'Uncontrolled descent'), (700, 'Post-impact'), (750, 'After landing'), (800, 'Other'), (990, 'Unknown')),
  crosswalk(code, main, name) AS (VALUES (500, 150, 'Standing'), (501, 150, 'Standing - pre-flight'), (502, 150, 'Standing - starting engine(s)'), (503, 150, 'Standing - engine(s) operating'), (504, 150, 'Standing - engine(s) not operating'), (505, 150, 'Standing - idling rotors'), (510, 250, 'Taxi'), (511, 200, 'Taxi - pushback/tow'), (512, 250, 'Taxi - to takeoff'), (513, 250, 'Taxi - from landing'), (514, 250, 'Taxi - aerial'), (520, 300, 'Takeoff'), (521, 300, 'Takeoff - roll/run'), (522, 350, 'Takeoff - initial climb'), (523, 300, 'Takeoff - aborted'), (530, 400, 'Climb'), (531, 400, 'Climb - to cruise'), (540, 400, 'Cruise'), (541, 400, 'Cruise - normal'), (542, 400, 'Maneuvering - holding (IFR)'), (550, 400, 'Descent'), (551, 400, 'Descent - normal'), (552, 600, 'Descent - emergency'), (553, 650, 'Descent - uncontrolled'), (560, 500, 'Approach'), (561, 500, 'Approach - VFR pattern - downwind'), (562, 500, 'Approach - VFR pattern - base turn'), (563, 500, 'Approach - VFR pattern - base leg/base to final'), (564, 500, 'Approach - VFR pattern - final approach'), (565, 500, 'Go-around (VFR)'), (566, 500, 'Approach - IAF to FAF/outer marker (IFR)'), (567, 500, 'Approach - FAF/outer marker to threshold (IFR)'), (568, 500, 'Circling (IFR)'), (569, 500, 'Missed approach (IFR)'), (570, 550, 'Landing'), (571, 550, 'Landing - flare/touchdown'), (572, 550, 'Landing - roll'), (573, 550, 'Landing - aborted'), (574, 550, 'Emergency landing'), (575, 550, 'Emergency landing after takeoff'), (576, 600, 'Emergency descent/landing'), (580, 450, 'Maneuvering'), (581, 450, 'Maneuvering - aerial application'), (582, 450, 'Maneuvering - turn to reverse direction'), (583, 450, 'Maneuvering - turn to landing area (emergency)'), (590, 450, 'Hover'), (591, 450, 'Hover - in ground effect'), (592, 450, 'Hover - out of ground effect'), (600, 800, 'Other'), (610, 990, 'Unknown')),
  current_codes AS (
    SELECT e.case_mkey, TRY_CAST(e."tier1Number" AS INTEGER) AS code,
      row_number() OVER (PARTITION BY e.case_mkey ORDER BY coalesce(e."isDefiningEvent", false) DESC, e.position) AS n
    FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e
    WHERE e.aircrafts_position = 1 AND e."tier1Number" GLOB '[1-9][0-9]*'
      AND (e."isDefiningEvent" OR e.case_mkey IN (SELECT "mKey" FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' WHERE "isPre1982"))
  ),
  phases AS (
    SELECT case_mkey, 'current' AS scheme, code, CASE WHEN code >= 990 THEN 990 ELSE code // 50 * 50 END AS main
    FROM current_codes WHERE n = 1
    UNION ALL
    SELECT o.case_mkey, 'older', o."phaseOfFlightCode", w.main
    FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o JOIN crosswalk w ON w.code = o."phaseOfFlightCode"
    WHERE o.aircrafts_position = 1 AND o."occurrenceNumber" = 1 AND o.case_mkey NOT IN (SELECT case_mkey FROM current_codes)
  ),
  case_phases AS (
    SELECT p.*, c."eventDate", c."highestInjuryLevel" = 'Fatal' AS fatal, a.aircraft_model_code
    FROM phases p JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c."mKey" = p.case_mkey
    LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = p.case_mkey AND a.position = 1
    WHERE c."eventDate" >= DATE '1962-01-01' AND p.main IN (SELECT main FROM phase_names)
  )
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") = 2010
  AND c."mKey" IN (SELECT case_mkey FROM case_phases WHERE main = 600)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-phases/600/cases?year=2010

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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.