# NTSB investigations, 1990: Standing

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 FTW91LA026](https://openairdocs.org/ntsb/FTW91LA026.md): Cessna 205 · Medford, OK · Accident · No injuries · Limited investigation · Final report · Dec 25, 1990 · N8219Z · Substantial damage
  > The pilot's use of improper starting procedures which resulted in the loss of control of the airplane. A factor in the accident was the airplane's encounter with rough terrain during the unmanned taxi.
- [NTSB FTW91LA020](https://openairdocs.org/ntsb/FTW91LA020.md): Cessna 172N · Plano, TX · Accident · No injuries · Limited investigation · Final report · Dec 5, 1990 · N6297D · Destroyed
  > The pilot's failure to follow the approved start procedures which resulted in an induction fire and the destruction of the airplane.
- [NTSB CHI91IA041](https://openairdocs.org/ntsb/CHI91IA041.md): Boeing 727-257 · Detroit, MI · Incident · No injuries · Incident investigation · Final report · Dec 5, 1990 · N715RC · Minor damage
  > The inadequate deicing procedures instituted by company management.
- [NTSB LAX91LA024](https://openairdocs.org/ntsb/LAX91LA024.md): Cessna 152 · Watsonville, CA · Accident · No injuries · Limited investigation · Final report · Oct 12, 1990 · N24815 · 2 aircraft · Substantial damage
  > The failure of the pilots of both aircraft to see and avoid the other.
- [NTSB CHI91LA001](https://openairdocs.org/ntsb/CHI91LA001.md): British Aerospace BAE Jetstream 3201 · St. Louis, MO · Accident · Serious injuries · Limited investigation · Final report · Oct 2, 1990 · N426AM · Minor damage
  > Visual outlook inadequate by the ground personnel. Contributing factors were lack of total experience in type of operation and a dusk light condition.
- [NTSB ATL90LA174](https://openairdocs.org/ntsb/ATL90LA174.md): Piper PA-28-151 · Palmetto, GA · Accident · Minor injuries · Limited investigation · Final report · Sep 22, 1990 · N44678 · Substantial damage
  > The number two cylinder exhaust valve sticking in the closed position, which resulted in a partial power loss during the takeoff. A factor in the accident was the pilot's improper preflight inspection, in that he did not correctly analyze the engine problem…
- [NTSB SEA90LA192](https://openairdocs.org/ntsb/SEA90LA192.md): Cessna 150L · Troutdale, OR · Accident · Serious injuries · Limited investigation · Final report · Sep 20, 1990 · N18677 · No damage
  > Passengers failure to maintain clearance from the turning propeller. A factor in the accident was his diverted attention to a helicopter on the ground nearby with the engine running.
- [NTSB LAX90DJA03](https://openairdocs.org/ntsb/LAX90DJA03.md): Bell 206B · Oahu, HI · Accident · Serious injuries · Final report · Sep 10, 1990 · N3200N · No damage
  > The passenger's failure to follow boarding instructions.
- [NTSB LAX90LA319](https://openairdocs.org/ntsb/LAX90LA319.md): Robinson R-22 · Long Beach, CA · Accident · 1 fatal · Limited investigation · Final report · Sep 9, 1990 · N80750 · Substantial damage
  > The pilot's inadequate passenger briefing, and his failure to provide proper assistance to the exiting passenger.
- [NTSB LAX90LA335](https://openairdocs.org/ntsb/LAX90LA335.md): Enstrom F28F · Beatty, NV · Accident · No injuries · Limited investigation · Final report · Sep 6, 1990 · N8620A · Substantial damage
  > The pilot's selection of unsuitable terrain on which to land. Loose shale rock and sloping downhill terrain were factors in the accident.
- [NTSB BFO90DIG02](https://openairdocs.org/ntsb/BFO90DIG02.md): Cessna 182J · Frederick, MD · Accident · Minor injuries · Final report · Aug 1, 1990 · N2891F · Substantial damage
  > Failure of the pilot to assure that the magneto (ignition) switch was in the proper position. A factor related to the accident was: partial failure of the magneto switch, which allowed the key to be removed, though the switch was not in the 'off' position.
- [NTSB CHI90DEM06](https://openairdocs.org/ntsb/CHI90DEM06.md): Funk, D.D. B-85C · White Cloud, MI · Accident · Serious injuries · Final report · Jul 8, 1990 · N77721 · No damage
  > The passengers disregard of the pilot's instructions and her failure to maintain clearance from the propeller.
- [NTSB SEA90FA115](https://openairdocs.org/ntsb/SEA90FA115.md): Aerospatiale AS350B · Glacier, WA · Accident · 1 fatal · Field investigation · Final report · Jun 30, 1990 · N101FW · Substantial damage
  > Passenger did not follow the procedures associated with the operations in the vicinity of the helicopter.
- [NTSB NYC90LA134](https://openairdocs.org/ntsb/NYC90LA134.md): Hughes 269A · Pittstown, NJ · Accident · Minor injuries · Limited investigation · Final report · Jun 21, 1990 · N110ES · Destroyed
  > Ground resonance due to inadequate servicing and maintenance of the landing gear dampers.
- [NTSB LAX90LA225](https://openairdocs.org/ntsb/LAX90LA225.md): Bellanca BL26 · Santa Ana, CA · Accident · No injuries · Limited investigation · Final report · Jun 20, 1990 · N4034B · Substantial damage
  > The pilot's use of an improper starting technique.
- [NTSB ANC90LA078](https://openairdocs.org/ntsb/ANC90LA078.md): Champion Aeronca 7DC · Elmendorf, AK · Accident · No injuries · Limited investigation · Final report · May 31, 1990 · N2759A · Substantial damage
  > Failure of the pilot to properly tie down and chock the aircraft and/or obtain proper assistance, and his failure to properly set the throttle, while hand propping to start the engine.
- [NTSB CHI90LA134](https://openairdocs.org/ntsb/CHI90LA134.md): Cessna 172N · Jeffersonville, IN · Accident · No injuries · Limited investigation · Final report · May 22, 1990 · N733CR · Substantial damage
  > The engine started for an undetermined reason, when the prop was moved after the pilot experienced an inoperative starter. (Most probably, there was either an isolated/intermittent problem in the ignition system or the pilot did not move the magneto switch…
- [NTSB MIA90LA123](https://openairdocs.org/ntsb/MIA90LA123.md): Bell TH-13T · Biloxi, MS · Accident · Serious injuries · Limited investigation · Final report · May 19, 1990 · N67223 · No damage
  > The passenger's intentional act of jumping in the air with his arm raised while under the main rotor.
- [NTSB LAX90LA189](https://openairdocs.org/ntsb/LAX90LA189.md): McDonnell Douglas 369E · Hilo, HI · Accident · Serious injuries · Limited investigation · Final report · May 18, 1990 · N1602N · No damage
  > Improper supervision and absence of assistance by the company to passengers disembarking the helicopter.
- [NTSB BFO90LA037](https://openairdocs.org/ntsb/BFO90LA037.md): Robinson R22 Beta · Prnc Frederick, MD · Accident · Minor injuries · Limited investigation · Final report · Apr 22, 1990 · N2580E · Substantial damage
  > The pilot's improper planning/decision by not shutting down the engine or assuring the helicopter was properly attended,when he deplaned.
- [NTSB SEA90LA067](https://openairdocs.org/ntsb/SEA90LA067.md): Becker Bensen B8M · Burlington, WA · Accident · Serious injuries · Limited investigation · Final report · Apr 12, 1990 · N87917 · No damage
  > The pilot's failure to maintain clearance from the propeller.
- [NTSB ATL90LA083](https://openairdocs.org/ntsb/ATL90LA083.md): Cessna 172G · Gulf Shores, AL · Accident · Minor injuries · Limited investigation · Final report · Mar 21, 1990 · N4373L · Substantial damage
  > Failure of the pilot to obtain proper assistance or properly secure the aircraft when he left it unattended with the engine running.
- [NTSB LAX90LA107](https://openairdocs.org/ntsb/LAX90LA107.md): Beech B-19 · Chiriaco Summit, CA · Accident · No injuries · Limited investigation · Final report · Feb 28, 1990 · N24015 · Destroyed
  > A engine compartment fire of undetermined origin dduring engine start.
- [NTSB CHI90FA075](https://openairdocs.org/ntsb/CHI90FA075.md): Boeing 727 · Indianapolis, IN · Accident · 1 fatal · Field investigation · Final report · Feb 1, 1990 · N519FT · Minor damage
  > The tug operator's failure to maintain control of the tug, possibly due to having inadvertently placed or caught his built-up, steel-toe boot under the brake pedal.
- [NTSB NYC90LA056](https://openairdocs.org/ntsb/NYC90LA056.md): Cessna 172 · Danbury, CT · Accident · Serious injuries · Limited investigation · Final report · Jan 16, 1990 · N9093H · Destroyed
  > Improper maintenance, inadequate surveillance by the company/operator, and inadequate preflight by the pilot, which resulted in a fire during an attempted engine start. A factor related to the accident was: the unsecured fuel line.

## 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") = 1990
  AND c."mKey" IN (SELECT case_mkey FROM case_phases WHERE main = 150)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-phases/150/cases?year=1990

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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.