# NTSB investigations, 1992: Unknown

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 LAX93FAMS2](https://openairdocs.org/ntsb/LAX93FAMS2.md): Piper PA-28-181 · Missing Acft, CA · Accident · 4 fatal · Missing aircraft · Final report · Dec 6, 1992 · N81453 · Destroyed
  > Undetermined.
- [NTSB DEN93LA014](https://openairdocs.org/ntsb/DEN93LA014.md): Champion 7KCAB · Boulder, CO · Accident · No injuries · Limited investigation · Final report · Dec 2, 1992 · N2751G · Substantial damage
  > Undetermined.
- [NTSB LAX93FAMS1](https://openairdocs.org/ntsb/LAX93FAMS1.md): Grumman AA-1B · Pacific Ocean (Pacific Ocean) · Accident · 2 fatal · Missing aircraft · Final report · Nov 6, 1992 · N9890L · Destroyed
  > Undetermined. The aircraft was not located.
- [NTSB SEA93LA019](https://openairdocs.org/ntsb/SEA93LA019.md): Beech A35 · Vancouver, WA · Accident · No injuries · Limited investigation · Final report · Oct 27, 1992 · N8501A · Substantial damage
  > Design stress limits of the aircraft were exceeded.
- [NTSB DEN93IA005](https://openairdocs.org/ntsb/DEN93IA005.md): Mcdonnell Douglas DC-9-82 · Denver, CO · Incident · No injuries · Incident investigation · Final report · Oct 13, 1992 · N72822 · Minor damage
  > An inadvertent attempt, by unknown persons, to start the APU which had been placarded as inoperative. Factors were: inadequate procedures in rendering the APU incapable of being started when inoperative.
- [NTSB ANC93FA148](https://openairdocs.org/ntsb/ANC93FA148.md): Champion 7EC · Chugiak, AK · Accident · 1 fatal · Field investigation · Final report · Oct 9, 1992 · N8958R · Destroyed
  > Collision with the terrain for an unknown reason.
- [NTSB MIA92LA181](https://openairdocs.org/ntsb/MIA92LA181.md): Aero Commander 100 · Panacea, FL · Accident · Minor injuries · Limited investigation · Final report · Sep 15, 1992 · N3791X · Substantial damage
  > Failure of the nose landing gear push/pull rod end bearing for undetermined reasons.
- [NTSB CHI92FAMS3](https://openairdocs.org/ntsb/CHI92FAMS3.md): Cessna 150H · Manistee, MI · Accident · 1 fatal · Missing aircraft · Final report · Sep 12, 1992 · N6759S · Destroyed
  > Undetermined
- [NTSB MIA92LA177](https://openairdocs.org/ntsb/MIA92LA177.md): Cessna A150K · Palatka, FL · Accident · No injuries · Limited investigation · Final report · Sep 7, 1992 · N8367M · Substantial damage
  > The pilot in command's failure to maintain airspeed while performing a go around resulting in the aircraft stalling and descending uncontrolled to the ground.
- [NTSB FTW92FA224](https://openairdocs.org/ntsb/FTW92FA224.md): Robinson R22 · Alpine, TX · Accident · 1 fatal · Field investigation · Final report · Sep 5, 1992 · N4073S · Destroyed
  > Failure by the pilot-in-command, for unknown reasons, to maintain sufficient altitude to clear surrounding terrain. Factors were mountainous terrain and high density altitude.
- [NTSB CHI92FA266](https://openairdocs.org/ntsb/CHI92FA266.md): Piper PA-28-180 · Ness City, KS · Accident · 4 fatal · Field investigation · Final report · Sep 5, 1992 · N5272L · Destroyed
  > The pilot-in-command's (CFI) failure to maintain control of the airplane.
- [NTSB ANC92FAMS3](https://openairdocs.org/ntsb/ANC92FAMS3.md): Beech 35 · Missing, AK · Accident · 2 fatal · Missing aircraft · Final report · Aug 17, 1992 · N216JB · Destroyed
  > Missing aircraft due to undetermined causes and factors
- [NTSB CHI92FAMS2](https://openairdocs.org/ntsb/CHI92FAMS2.md): Cessna 172N · Lake Michigan, MI · Accident · 4 fatal · Missing aircraft · Final report · Jul 18, 1992 · N4500E · Destroyed
  > Undetermined.
- [NTSB MIA92LA151](https://openairdocs.org/ntsb/MIA92LA151.md): Consolidated Aeronautics LA-4-200 · FL · Accident · No injuries · Limited investigation · Final report · Jul 9, 1992 · N2969P · Substantial damage
  > Substantial damage to the airplane during Unknown phase of flight for undetermined reasons.
- [NTSB NYC92FIG01](https://openairdocs.org/ntsb/NYC92FIG01.md): Tierra II · Williamsport, MD · Accident · 1 fatal · Final report · Jun 28, 1992 · N531PJ · Destroyed
  > The pilot's alcoholic impairment of efficiency and judgement resulting in a loss of control of the airplane during a forced landing following a power loss for an undetermined reason.
- [NTSB SEA92FA114](https://openairdocs.org/ntsb/SEA92FA114.md): Cessna 172B · Eatonville, WA · Accident · 1 fatal · Field investigation · Final report · May 22, 1992 · N7579X · Destroyed
  > Undetermined.
- [NTSB ANC92FAMS2](https://openairdocs.org/ntsb/ANC92FAMS2.md): Cessna 340 · Yakutat, AK · Accident · 5 fatal · Missing aircraft · Final report · May 4, 1992 · N69469 · Destroyed
  > Missing aircraft due to undetermined causes.
- [NTSB MIA92FAMS1](https://openairdocs.org/ntsb/MIA92FAMS1.md): Piper PA-28-181 · Missing · Accident · 1 fatal · Missing aircraft · Final report · Apr 20, 1992 · N4319N · Destroyed
  > Undetermined.
- [NTSB DEN92LA043](https://openairdocs.org/ntsb/DEN92LA043.md): Cessna 172Q · Englewood, CO · Accident · No injuries · Limited investigation · Final report · Mar 18, 1992 · N66076 · Substantial damage
  > Undetermined.
- [NTSB BFO92TA#01](https://openairdocs.org/ntsb/BFO92TA%2301.md): Mcdonnell Douglas 369E · Clinton, MD · Accident · No injuries · Final report · Feb 12, 1992 · N1600Q · Substantial damage
- [NTSB LAX92FA102](https://openairdocs.org/ntsb/LAX92FA102.md): Piper PA28-161 · Mountain Pass, CA · Accident · 4 fatal · Field investigation · Final report · Jan 25, 1992 · N8432K · Destroyed
  > The pilots failure to maintain the aircraft's airspeed above the stall speed (vs) that resulted in an inadvertent entry into a stall/spin.
- [NTSB MIA92LA068](https://openairdocs.org/ntsb/MIA92LA068.md): Piper PA-32-301 · Atlantic Ocean (Atlantic Ocean) · Accident · 3 fatal · Limited investigation · Final report · Jan 23, 1992 · N8300X · Destroyed
  > Undetermined. The airplane crashed in the Atlantic Ocean and was not located.

## 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") = 1992
  AND c."mKey" IN (SELECT case_mkey FROM case_phases WHERE main = 990)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-phases/990/cases?year=1992

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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.