# NTSB investigations, 1990: Taxi

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.

Page 1 of 2 · 74 cases

## Latest cases

- [NTSB LAX91LA063](https://openairdocs.org/ntsb/LAX91LA063.md): Cessna 172 · Tucson, AZ · Accident · No injuries · Limited investigation · Final report · Dec 30, 1990 · N739ZV · 2 aircraft · Substantial damage
  > Both pilots used poor visual lookout procedures.
- [NTSB NYC91LA052](https://openairdocs.org/ntsb/NYC91LA052.md): Beech 35-C33 · Concord, NH · Accident · No injuries · Limited investigation · Final report · Dec 15, 1990 · N8696Q · Substantial damage
  > The improper starting procedure used by the pilot.
- [NTSB ANC91LA016](https://openairdocs.org/ntsb/ANC91LA016.md): Beech BE-77 · Fairbanks, AK · Accident · No injuries · Limited investigation · Final report · Dec 9, 1990 · N3809Y · Substantial damage
  > The pilot-in-command's failure to properly perform the aircraft preflight resulting in a collision with a tow bar during initial taxi.
- [NTSB LAX91LA049](https://openairdocs.org/ntsb/LAX91LA049.md): Cessna 150 · Tucson, AZ · Accident · No injuries · Limited investigation · Final report · Dec 4, 1990 · N9312U · Substantial damage
  > One or more of the F-16 pilot's improper use of throttles before being cleared for take off.
- [NTSB DCA91MA010](https://openairdocs.org/ntsb/DCA91MA010.md): Mcdonnell Douglas DC-9-14 · Romulus, MI · Accident · 8 fatal · Class 1 · Major · Final report · Dec 3, 1990 · N3313L · 2 aircraft · Destroyed
  > Lack of proper crew coordn, including virtual reversal of roles by the DC-9 plts, which led to their failure to stop taxiing & alert gnd ctlr of their positional uncertainty in a timely manner bfr & after intruding onto the active rwy. Contribuing to cause of…
- [NTSB ATL91LA023](https://openairdocs.org/ntsb/ATL91LA023.md): Cessna 172N · Chamblee, GA · Accident · No injuries · Limited investigation · Final report · Nov 29, 1990 · N6168F · Substantial damage
  > Pilot's failure to maintain adequate wingtip clearance during taxi.
- [NTSB MIA91IA032](https://openairdocs.org/ntsb/MIA91IA032.md): ATR ATR-42-300 · St. Thomas · Incident · No injuries · Incident investigation · Final report · Nov 26, 1990 · N971NA · Minor damage
  > The failure of the left main landing gear side brace lower arm due to fatigue resulting from corrosion formation, which resulted from improper design to prevent corrosion formation.
- [NTSB LAX91LA043](https://openairdocs.org/ntsb/LAX91LA043.md): Cessna 172 · Tonopah, NV · Accident · No injuries · Limited investigation · Final report · Nov 26, 1990 · N79551 · Substantial damage
  > The airplane's encounter with a wind gust while taxiing from landing. Contributing factors related to the pilot's improper weather evaluation and his lack of experience in making weather evaluations.
- [NTSB CHI91FA032](https://openairdocs.org/ntsb/CHI91FA032.md): Gates Learjet 25B · Chicago, IL · Accident · Minor injuries · Field investigation · Final report · Nov 26, 1990 · N5LL · Substantial damage
  > The driver's inadequate visual lookout. A factor in the accident was the company's configuring the truck with mirrors which obstruct forward visibility.
- [NTSB LAX91LA046](https://openairdocs.org/ntsb/LAX91LA046.md): Cessna T303A · Santa Ana, CA · Accident · No injuries · Limited investigation · Final report · Nov 24, 1990 · N2290C · Substantial damage
  > The pilot's misjudging the distance between the airplane and hangar.
- [NTSB LAX91LA034](https://openairdocs.org/ntsb/LAX91LA034.md): Aerospatiale AS-350-B · Kahului, HI · Accident · Minor injuries · Limited investigation · Final report · Nov 16, 1990 · N350CB · Substantial damage
  > The pilot's inadvertent deactivation of the helicopter's hydraulic boost system and his improper remedial action thereafter to the inflight situations which he created. A contributing factor was related to the manufacturer's inadequate location and design…
- [NTSB BFO91LA010](https://openairdocs.org/ntsb/BFO91LA010.md): Aeronca L3B · Farmville, VA · Accident · No injuries · Limited investigation · Final report · Nov 4, 1990 · N1336J · Substantial damage
  > The failure of the pilot to properly secure the aircraft while starting the engine by hand proping.
- [NTSB CHI91LA019](https://openairdocs.org/ntsb/CHI91LA019.md): Cessna 150 · La Crosse, WI · Accident · No injuries · Limited investigation · Final report · Oct 30, 1990 · N7641G · Substantial damage
  > Inadequate visual outlook by the PIC.
- [NTSB NYC91LA021](https://openairdocs.org/ntsb/NYC91LA021.md): Mcdonnell Douglas DC-9-31 · Columbus, OH · Accident · No injuries · Limited investigation · Final report · Oct 29, 1990 · N972VJ · 2 aircraft · Minor damage
  > Failure by pilots of the other aircraft to see and alter taxi path to avoid the standing aircraft.
- [NTSB SEA91LA011](https://openairdocs.org/ntsb/SEA91LA011.md): Cessna 172G · Anacortes, WA · Accident · No injuries · Limited investigation · Final report · Oct 27, 1990 · N4174L · Substantial damage
  > The pilot poorly compensated for the wind condition.
- [NTSB LAX91LA018](https://openairdocs.org/ntsb/LAX91LA018.md): Cessna 150H · San Carlos, CA · Accident · No injuries · Limited investigation · Final report · Oct 21, 1990 · N22863 · Substantial damage
  > The pilot's failure to maintain clearance between his aircraft and a hanger while taxiing. The failure of airport maintenance personnel to maintain taxiway markings was a factor in the accident.
- [NTSB FTW91LA007](https://openairdocs.org/ntsb/FTW91LA007.md): Bell 47G · Grand Prairie, TX · Accident · No injuries · Limited investigation · Final report · Oct 20, 1990 · N1071Z · Substantial damage
  > The pilot's inadequate compensation for the existing tailwind conditions and his failure to maintain rotor RPM.
- [NTSB LAX91LA014](https://openairdocs.org/ntsb/LAX91LA014.md): Cessna 150E · S. Lake Tahoe, CA · Accident · No injuries · Limited investigation · Final report · Oct 19, 1990 · N6203R · Substantial damage
  > The pilot's failure to ensure adequate clearance was available when he attempted to taxi pass a parked vehicle.
- [NTSB LAX91LA010](https://openairdocs.org/ntsb/LAX91LA010.md): Cessna 172 · San Carlos, CA · Accident · No injuries · Limited investigation · Final report · Oct 16, 1990 · N73403 · Substantial damage
  > The pilot's visual lookout was inadequate.
- [NTSB NYC91LA009](https://openairdocs.org/ntsb/NYC91LA009.md): Cessna 172N · Dayton, OH · Accident · No injuries · Limited investigation · Final report · Oct 11, 1990 · N2233E · Destroyed
  > A carburetor fire due to an engine backfire. A factor relating to the accident was improper remedial action taken by the pilot to extinguish the engine fire.
- [NTSB LAX90LA330](https://openairdocs.org/ntsb/LAX90LA330.md): Republic RC3 · Lakeport, CA · Accident · No injuries · Limited investigation · Final report · Sep 29, 1990 · N114N · Substantial damage
  > The pilot's failure to maintain control of the aircraft while high-speed water taxiing. The excessive taxi speed is considered a factor in the accident.
- [NTSB CHI90FA278](https://openairdocs.org/ntsb/CHI90FA278.md): Boeing 727-251 · Detroit, MI · Accident · Serious injuries · Field investigation · Final report · Sep 29, 1990 · N278US · Minor damage
  > The intentional activation of the auxillary power unit by the flight engineer, and the improper evacuation procedures by the pilot in command. An associated factor in the accident was the APU circuit breakers were not pulled by company maintenance personnel.
- [NTSB MIA90LA192](https://openairdocs.org/ntsb/MIA90LA192.md): Cessna 402B · St. Thomas · Accident · No injuries · Limited investigation · Final report · Sep 24, 1990 · N4440K · Substantial damage
  > Separation of the left main landing gear torque tube bracket assembly due to sheared rivets from a previous hard side load landing which was not reported.
- [NTSB BFO90LA078](https://openairdocs.org/ntsb/BFO90LA078.md): de Havilland DH-82A · Bealeton, VA · Accident · Minor injuries · Limited investigation · Final report · Sep 23, 1990 · N9279 · 2 aircraft · Destroyed
  > The pilot's failure to maintain a vigilent watch for other aircraft operating on the uncontrolled airport. The uneven terrain on the airport restricted visibility and contributed to the accident. Another contributing factor was the improper signals given by…
- [NTSB DEN90IA189](https://openairdocs.org/ntsb/DEN90IA189.md): Boeing 737-222 · Denver, CO · Incident · Minor injuries · Incident investigation · Final report · Sep 19, 1990 · N9044U · No damage
  > The failure of the flight crew to follow emergency procedures/directives. Factors were the failure of the aircraft electrical system (relays) and the failure of the company to provide a jetway operator.
- [NTSB FTW90DRA10](https://openairdocs.org/ntsb/FTW90DRA10.md): Lockheed PV-2 · Conroe, TX · Accident · No injuries · Final report · Sep 16, 1990 · N7428C · Destroyed
  > The engine starter remained engaged after engine start and the electrical system overheat.
- [NTSB ANC90LA176](https://openairdocs.org/ntsb/ANC90LA176.md): Piper PA-18-160 · Port Heiden, AK · Accident · No injuries · Limited investigation · Final report · Sep 16, 1990 · N59645 · Substantial damage
  > The pilot-in-command's failure to maintain aircraft control during a strong crosswind.
- [NTSB DEN90LA186](https://openairdocs.org/ntsb/DEN90LA186.md): Beech D17S · Englewood, CO · Accident · Minor injuries · Limited investigation · Final report · Sep 14, 1990 · N16M · Substantial damage
  > Improper planning/decision by the pilot and inadequate visual lookout by the vehicle driver, which resulted in their failure to assure clearance between the vehicle and aircraft. Factors related to the accident were: sunglare and the pilot's restricted view…
- [NTSB NYC90IA219](https://openairdocs.org/ntsb/NYC90IA219.md): Boeing 727-231 · New York City, NY · Incident · Minor injuries · Incident investigation · Final report · Sep 10, 1990 · N74317 · No damage
  > The exhaust pipe fire in the APU which resulted in an unauthorized evacuation of the airplane by the passengers.
- [NTSB NYC90LA214](https://openairdocs.org/ntsb/NYC90LA214.md): Cessna 120 · Southbridge, MA · Accident · No injuries · Limited investigation · Final report · Sep 8, 1990 · N89697 · Substantial damage
  > The pilot improper starting procedures.
- [NTSB ANC90LA165](https://openairdocs.org/ntsb/ANC90LA165.md): Bellanca 7ECA · Blair Lakes, AK · Accident · No injuries · Limited investigation · Final report · Sep 4, 1990 · N5504N · Substantial damage
  > The pilot's failure to maintain adequate lookout during the post-landing taxi. Contributing to the accident were the rough terrain, the pilot's lack of total experience, and his lack of familiarity with the geographic area.
- [NTSB SEA90LA170](https://openairdocs.org/ntsb/SEA90LA170.md): Piper PA-18A-150 · North Plains, OR · Accident · No injuries · Limited investigation · Final report · Aug 26, 1990 · N965CD · Substantial damage
  > The pilot's failue to maintain adequate clearance from an object near the runway.
- [NTSB NYC89LA220](https://openairdocs.org/ntsb/NYC89LA220.md): Micalizio BD-5 · Montgomery, NY · Accident · No injuries · Limited investigation · Final report · Aug 13, 1990 · N32324 · Substantial damage
  > The pilot's failure to maintain control of the homebuilt airplane while performing initial high-speed taxi tests. The pilot's lack of flight experience in the accident make and model airplane was a related factor.
- [NTSB ATL90IA154](https://openairdocs.org/ntsb/ATL90IA154.md): Dassault DA20F · Chamblee, GA · Incident · No injuries · Incident investigation · Final report · Aug 3, 1990 · N457F · Minor damage
  > The right fuel control unit malfunctioned and allowed the engine speed to decrease below idle speed (45%) which resulted in an engine fire. Factors in the incident were: the improper rigging of the fuel control unit during installation, and the flight crew's…
- [NTSB LAX90LA344](https://openairdocs.org/ntsb/LAX90LA344.md): Cessna 180 · Tucson, AZ · Accident · No injuries · Limited investigation · Final report · Aug 2, 1990 · N9463C · Substantial damage
  > The pilot's failure to maintain adequate distance from a MD-80'S jet exhaust.
- [NTSB LAX90LA273](https://openairdocs.org/ntsb/LAX90LA273.md): Cessna 172P · Mammoth Lakes, CA · Accident · No injuries · Limited investigation · Final report · Aug 1, 1990 · N51872 · Substantial damage
  > Inadvertent encounter with high velocity winds.
- [NTSB FTW90LA143](https://openairdocs.org/ntsb/FTW90LA143.md): Aerospatiale AS-350D · Berwick, LA · Accident · No injuries · Limited investigation · Final report · Jul 21, 1990 · N3598F · Substantial damage
  > Pilot in command's failure to see and avoid obstacles in the landing zone. Contributing to the accident was the pilot's lack of familiarity with the landing zone.
- [NTSB NYC90LA154](https://openairdocs.org/ntsb/NYC90LA154.md): Piper PA-31-350 · Washington, PA · Accident · No injuries · Limited investigation · Final report · Jul 8, 1990 · N35551 · Substantial damage
  > The pilot's failure to maintain clearance from objects while taxiing, and his visual lookout was inadequate.
- [NTSB LAX90LA255](https://openairdocs.org/ntsb/LAX90LA255.md): Piper PA28-236 · S. Lake Tahoe, CA · Accident · No injuries · Limited investigation · Final report · Jul 1, 1990 · N8442A · Substantial damage
  > The pilot's failure to maintain clearance between the aircraft and an obstruction along his ground taxi route. Obstructions along the route and a fence constructed near the ramp are factors in the accident.
- [NTSB MKC90LA136](https://openairdocs.org/ntsb/MKC90LA136.md): Cessna 180 · Tecumseh, NE · Accident · No injuries · Limited investigation · Final report · Jun 25, 1990 · N2873K · Substantial damage
  > Excessive taxi speed and directional control not maintained by the pilot in command.
- [NTSB SEA90LA104](https://openairdocs.org/ntsb/SEA90LA104.md): Aerofab Lake LA-250 · Spokane, WA · Accident · No injuries · Limited investigation · Final report · Jun 22, 1990 · N1404V · Substantial damage
  > The pilot was taxiing the airplane at an excessive speed which resulted in a loss of directional control.
- [NTSB LAX90LA254](https://openairdocs.org/ntsb/LAX90LA254.md): Cessna T207A · Grand Canyon, AZ · Accident · No injuries · Limited investigation · Final report · Jun 17, 1990 · N73204 · Substantial damage
  > The pilot's misjudgement of clearance from a parked aircraft while taxiing.
- [NTSB NYC90LA132](https://openairdocs.org/ntsb/NYC90LA132.md): Boeing 747-230 · Jamaica, NY · Accident · No injuries · Limited investigation · Final report · Jun 16, 1990 · IDEMC · 2 aircraft · Minor damage
  > The Boeing 747 captain misjudged clearance between his aircraft and the fokker f.28. A factor related to the accident was: self-induced pressure of the Boeing 747 captain.
- [NTSB SEA90LA089](https://openairdocs.org/ntsb/SEA90LA089.md): de Havilland DHC-2 · Ketchikan, AK · Accident · No injuries · Limited investigation · Final report · May 30, 1990 · N1018H · Substantial damage
  > The pilot did not adequately compensate for the cross wind conditions while taxiing and failed to maintain clearance between the airplane and a tree on the shoreline. The crosswind was a factor related to the accident.
- [NTSB ANC90LA077](https://openairdocs.org/ntsb/ANC90LA077.md): Cessna 185 · Northway, AK · Accident · No injuries · Limited investigation · Final report · May 28, 1990 · N520VA · Substantial damage
  > The pilot lost control of the airplane during the post-landing taxi.
- [NTSB ATL90IA123](https://openairdocs.org/ntsb/ATL90IA123.md): Beech BE-18 · Anderson, SC · Incident · No injuries · Incident investigation · Final report · May 25, 1990 · N52A · No damage
  > The pilot's failure to ensure adequate clearance while taxiing to the ramp. A factor in the incident was a dark, unlighted ramp area.
- [NTSB CHI90LA129](https://openairdocs.org/ntsb/CHI90LA129.md): Cecil, Richard C. Starduster II · Indianapolis, IN · Accident · No injuries · Limited investigation · Final report · May 24, 1990 · N85RC · 2 aircraft · Minor damage
  > The other pilot's inadequate visual lookout during ground taxi operations.
- [NTSB LAX90LA186](https://openairdocs.org/ntsb/LAX90LA186.md): Hughes 269A · La Verne, CA · Accident · Minor injuries · Limited investigation · Final report · May 23, 1990 · N8793F · Substantial damage
  > Ground resonance due to an inadequately maintained strut.
- [NTSB SEA90FA080](https://openairdocs.org/ntsb/SEA90FA080.md): Swearingen SA226-T(B) · Coeur D'Alene, ID · Accident · 1 fatal · Field investigation · Final report · May 20, 1990 · N161RS · Minor damage
  > Inadequate coordination between the pilot and the ground lineman. A factor related to the accident was: impairment of the ground lineman from consumption of alcohol.
- [NTSB BFO90LA047](https://openairdocs.org/ntsb/BFO90LA047.md): Robinson R-22M · Stevensville, MD · Accident · No injuries · Limited investigation · Final report · May 20, 1990 · N4003K · Substantial damage
  > The pilot failed to maintain control while taxiing on turbulent water.

Next page: https://openairdocs.org/ntsb-phases/250/cases.md?year=1990&page=2

## 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 = 250)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-phases/250/cases?year=1990

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