NTSB investigations, 2008

14 cases where the phase of flight was Emergency descent.

Cases per year

19622026
NTSB investigations, 2008 per year, 1962–2026: 507 cases
19632
19645
19654
196610
19673
19686
19693
19706
19713
19722
19737
19744
19756
19763
19774
197810
19795
19804
19813
19821
19832
19848
198510
198611
19879
19884
19893
19904
19918
19924
19935
19945
19953
19963
19973
19988
19996
20005
20015
200211
20036
20045
200510
20067
20072
200814
200931
201016
201118
201218
201316
201417
201516
201615
201714
201811
20195
202010
202112
20229
202314
202415
202513
20265

Latest cases

Query with SQL
duckdb -csv -c "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\") = 2008
    AND c.\"mKey\" IN (SELECT case_mkey FROM case_phases WHERE main = 600)
  ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

NTSB ERA09CA089Accident · Serious injuriesData collectionFinal reportMooney M20G · Sebastian, FLThe loss of engine power for undetermined reasons.Dec 13, 2008 · N6871N · Substantial damageNTSB ERA09CA052Accident · No injuriesData collectionFinal reportPiper PA-28-140 · Tuscaloosa, ALThe pilot's mismanagement of the fuel supply, which resulted in fuel exhaustion. Contributing to the accident was improper preflight planning.Nov 13, 2008 · N8797N · Substantial damageNTSB ANC09FA001Accident · 2 fatalField investigationFinal reportCessna U206C · Anchorage, AKA loss of engine power during takeoff/initial climb for an undetermined reason, and the pilot's decision to make an abrupt and steep low altitude turn toward an intersecting runway, resulting in an aerodynamic stall and loss of aircraft control.Oct 1, 2008 · N29109 · DestroyedNTSB NYC08CA325Accident · No injuriesData collectionFinal reportAeronca 7AC · Mt. Pleasant, SCThe pilot's failure to maintain aircraft control during an emergency maneuver. Contributing to the accident was the failure of the left magneto.Sep 28, 2008 · N2504E · Substantial damageNTSB LAX08CA298Accident · Minor injuriesData collectionFinal reportRobinson R22B · Prescott, AZThe student pilot's failure to maintain adequate main rotor rpm and the instructor's inadequate supervision and delayed remedial action.Sep 11, 2008 · N227GH · Substantial damageNTSB DFW08LA187Accident · Serious injuriesLimited investigationFinal reportAMS Flight Carat A · Edgewood, NMThe pilot's failure to maintain adequate airspeed while maneuvering at low altitude resulting in an inadvertent aerodynamic stall and impact with terrain.Jul 16, 2008 · N234CT · Substantial damageNTSB ANC08LA083Accident · No injuriesLimited investigationFinal reportBell UH-1B · Iliamna, AKThe failure of company maintenance personnel to ensure the helicopter was properly maintained, resulting in a severe in-flight vibration due to collective bounce. Contributing to the accident was loose and worn bearings on the helicopter's stabilizer bar,…Jun 30, 2008 · N64RA · Substantial damageNTSB ERA09CA543Accident · No injuriesData collectionFinal reportPiper J3C-65 · Rosedale, MSThe failure of the pilots to maintain airspeed following a reported partial loss of engine power.Jun 28, 2008 · N42156 · Substantial damageNTSB LAX08CA159Accident · No injuriesData collectionFinal reportRobinson R22 · Salt Lake City, UTThe student's improper use of the anti torque pedals during a practice hover autorotation, which resulted in the helicopter rolling over. Additional causes of the accident were the certificated flight instructor's inadequate supervision of the maneuver and…May 31, 2008 · N268SH · Substantial damageNTSB MIA08LA097Accident · Serious injuriesLimited investigationFinal reportCessna 182L · Louisville, KYA total fatigue failure of the No. 5 piston during climb.May 7, 2008 · N42116 · Substantial damageNTSB DFW08CA114Accident · No injuriesData collectionFinal reportHughes 269A · Killeen, TXThe pilot's failure to maintain main rotor RPM and a safe rate of descent during the autorotation. A contributing factor was the gusty winds.Apr 23, 2008 · N9064N · Substantial damageNTSB DFW08CA082Accident · Minor injuriesData collectionFinal reportRobinson R22 Beta · Horseshoe Bay, TXThe certified flight instructor's delay in taking remedial action which resulted in an unsuccessful autorotation.Mar 15, 2008 · N489TJ · Substantial damageNTSB SEA08LA073Accident · Minor injuriesLimited investigationFinal reportPiper PA-44-180 · Piru, CAThe loss of engine power for undetermined reasons. Contributing factors were the lack of suitable terrain for the forced landing and dark night conditions.Feb 9, 2008 · N2922X · Substantial damageNTSB MIA08LA035Accident · Minor injuriesLimited investigationFinal reportCessna R172K · Spotsylvania, VAThe pilot's failure to follow the checklist and failure to achieve the proper touchdown point during a forced landing. Contributing to the accident was a loss of engine power due to a cracked No. 4 top sparkplug insulator, resulting in pre-ignition/detonation…Jan 5, 2008 · N758FQ · Substantial damage