OpenAirDocs.org

NTSB investigations, 1985

10 cases where the phase of flight was Emergency descent.

Cases per year

19622026

Where

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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\") = 1985
    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 DEN86LA037Accident · No injuriesLimited investigationFinal reportGrumman AA-5A · Fort Collins, COThe plt stated that during takeoff roll the acft used over twice the normal distance to rwy to become airborne. After becoming airborne, the stall warning sounded, and continued to sound until the forced landing when the plt said he couldnot maintain alt. The…Dec 1, 1985 · N991OU · Substantial damageNTSB LAX86LA026Accident · No injuriesLimited investigationFinal reportGrumman American AA-5A · Flagstaff, AZThe plt reported that while sight-seeing in the vicinity of the grand canyon, he became disoriented and lost. The fuel in the left tank was exhausted and the right fuel tank contained minimum fuel. The pilot negotiated a precautionary landing on the hard…Oct 25, 1985 · N26714 · Substantial damageNTSB CHI85LA298Accident · No injuriesLimited investigationFinal reportPiper PA-28-140 · Pepin, WIThe aircraft traveled three quarters down a 2300 foot sod runway and the pilot attempted to takeoff with 55 KIAS. The aircraft mushed into trees off the end of the runway when the pilot couldn't obtain flying speed. The pilot reported full engine RPM was…Jul 19, 1985 · N38174 · DestroyedNTSB CHI85LA294Accident · No injuriesLimited investigationFinal reportPiper PA-28-161 · Schaumburg, ILThe acft contacted a ditch during a forced landing following a loss of pwr shortly after takeoff. The plt reported that at an alt of aprx 200 ft AGL, during the takeoff climb, a total loss of pwr occurred. A left turn was made in an attemptto avoid buildings…Jul 17, 1985 · N4349K · Substantial damageNTSB CHI85LA297Accident · No injuriesLimited investigationFinal reportPiper PA-22 · Iola, WIUpon takeoff at approximately 100 ft AGL the pilot experienced a partial power loss which necessitated a forced landing in a soft, wet potato field. The pilot had time to switch fuel tanks and magnetos prior to touchdown, but the power loss remained constant.…Jul 13, 1985 · N1487A · Substantial damageNTSB ATL85LA203Accident · Serious injuriesLimited investigationFinal reportStinson 108-2 · Lewisburg, WVAcft lost power in cruise flight shortly after takeoff. Descent was begun to a field followed by engine quitting. During the turn to final, pilot said, left wing stalled resulting in hard landing on left wheel and left wing. Later, fuel cap vents were found…Jul 2, 1985 · N9818K · Substantial damageNTSB ANC85LA060Accident · No injuriesLimited investigationFinal reportPiper PA-22 · Kanektok River, AKThe plt reported after a short fld takeoff, the eng dropped to about 1000 RPM; the plt then attempted an emergency landing. Upon touchdown, the acft settled into the snow and nosed over. The plt stated the eng failure was due to carb ice.Mar 25, 1985 · N4810A · Substantial damageNTSB ATL85LA122Accident · Serious injuriesLimited investigationFinal reportCessna 182L · Falmouth, KYDuring flt in IMC conditions at 9000 ft MSL, the plt noted a loss of airspeed indications. He requested & received clearance to descend. During the descent, he elected to divert & received vectors for a nearby arpt. However, when he attempted to level off,…Mar 24, 1985 · N42616 · DestroyedNTSB MIA85LA129Accident · No injuriesLimited investigationFinal reportGrumman AA-5 · Okeechobee, FLWhile in cruise flt the plt placed the acft in a dive to avoid what appeared to be the landing light of another acft. The light was actually a space vehicle which had just been launched from cape canaveral air force station 60 miles from the acft's position.…Mar 22, 1985 · N5867L · Substantial damageNTSB DEN85LA078Accident · No injuriesLimited investigationFinal reportRaven S55A · Littleton, COThe balloon envelope collided with power lines after dragging the basket & occupants aprx 200 yards along an open fld and through a fence which damaged the basket containing the occupants. The balloon plt said that the wind was only 5 KTS at takeoff but after…Jan 13, 1985 · N81DS · Substantial damage