# NTSB investigations, 1990: Enroute

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 11 · 548 cases

## Latest cases

- [NTSB ATL91FA031](https://openairdocs.org/ntsb/ATL91FA031.md): Cessna 182E · Saluda, NC · Accident · 1 fatal · Field investigation · Final report · Dec 30, 1990 · N9383X · Destroyed
  > The continued visual flight rules flight into instrument meteorological conditions. Contributing factor were fog, rain, and low ceiling.
- [NTSB DEN91LA029](https://openairdocs.org/ntsb/DEN91LA029.md): Cessna T210N · Aspen, CO · Accident · Minor injuries · Limited investigation · Final report · Dec 29, 1990 · N1604U · Substantial damage
  > Fuel exhaustion induced power loss resultant from faulty fuel caps and fuel syphoning.
- [NTSB NYC91IA053](https://openairdocs.org/ntsb/NYC91IA053.md): Piper PA-34-200T · Elbridge, NY · Incident · No injuries · Incident investigation · Final report · Dec 28, 1990 · N8434H · Minor damage
  > The failure of the pilot to conduct a proper preflight inspection of the fuel tanks, and a misreading fuel gauge which resulted in a double power loss.
- [NTSB CHI91FA053](https://openairdocs.org/ntsb/CHI91FA053.md): Piper PA-28-161 · Gardner, KS · Accident · 1 fatal · Field investigation · Final report · Dec 27, 1990 · N84499 · Substantial damage
  > A loss of engine power for undetermined reasons. Darkness was a related factor.
- [NTSB BFO91LA021](https://openairdocs.org/ntsb/BFO91LA021.md): Cessna 152 · South Boston, VA · Accident · Minor injuries · Limited investigation · Final report · Dec 27, 1990 · N48918 · Destroyed
  > The student pilot's delay in taking appropriate action while encountering adverse weather conditions. Factors which contributed to the accident were: the weather conditions that were worse than forecast, and the unsuitable terrain.
- [NTSB CHI91LA048](https://openairdocs.org/ntsb/CHI91LA048.md): Hughes 269A · Sellersburg, IN · Accident · No injuries · Limited investigation · Final report · Dec 26, 1990 · N90270 · Substantial damage
  > A pilot induced loss of engine power by inadvertent deactivation of the fuel mixture control.
- [NTSB MIA91LA052](https://openairdocs.org/ntsb/MIA91LA052.md): Aeronca L-3C · Brooksville, FL · Accident · Serious injuries · Limited investigation · Final report · Dec 23, 1990 · N52350 · Substantial damage
  > Total loss of engine power due to undetermined reasons.
- [NTSB MIA91IA051](https://openairdocs.org/ntsb/MIA91IA051.md): Dassault-Breguet HU-25/A · Bimini, Bahamas · Incident · No injuries · Incident investigation · Final report · Dec 22, 1990 · USCG · 2 aircraft · Minor damage
  > Inadequate visual lookout by the pilots of both aircraft, resulted in their failure to see-and-avoid the other aircraft.
- [NTSB LAX91LA062](https://openairdocs.org/ntsb/LAX91LA062.md): Cessna 182E · Imperial, CA · Accident · Serious injuries · Limited investigation · Final report · Dec 22, 1990 · N3320Y · Destroyed
  > Fuel exhaustion.
- [NTSB MIA91GA050](https://openairdocs.org/ntsb/MIA91GA050.md): Bell 206 B3 · St. Marks, FL · Accident · Minor injuries · Final report · Dec 21, 1990 · N37AN · Destroyed
  > The pilot in command's failure to maintain safe altitude while descending over a coastline, at night, in visual meteorological conditions. Contributing to the accident was the pilot in command's failure to obtain a full weather briefing prior to departure…
- [NTSB SEA91LA036](https://openairdocs.org/ntsb/SEA91LA036.md): Beech D35 · Cedar City, UT · Accident · No injuries · Limited investigation · Final report · Dec 20, 1990 · N2911B · Destroyed
  > A loss of engine power due to induction system icing. Factors related to the accident were: the adverse weather condition, and a blocked induction air filter.
- [NTSB SEA91FA120](https://openairdocs.org/ntsb/SEA91FA120.md): Cessna 182H · Thompson, UT · Accident · 1 fatal · Field investigation · Final report · Dec 19, 1990 · N2466X · Destroyed
  > The pilot's misjudged descent. Contributing to the accident was the dark night conditions.
- [NTSB CHI91LA047](https://openairdocs.org/ntsb/CHI91LA047.md): Cessna 175 · Boscobel, WI · Accident · 2 fatal · Limited investigation · Final report · Dec 19, 1990 · N6626E · Destroyed
  > The pilot's continued VFR flight into instrument meteorological conditions (IMC) and his failure to remain clear of the trees. Factors related to the accident were: the adverse weather conditions and the pilot's lack of instrument experience.
- [NTSB LAX91LA058](https://openairdocs.org/ntsb/LAX91LA058.md): Mcdonnell Douglas 369D · Keanae, HI · Accident · Minor injuries · Limited investigation · Final report · Dec 18, 1990 · N58240 · Substantial damage
  > Fuel starvation caused by a loose fuel line 'b' nut, due to improper maintenance; and the failure of the pilot to correctly judge the landing flare during the autorotation.
- [NTSB MIA91LA045](https://openairdocs.org/ntsb/MIA91LA045.md): Cessna 152 · Palmetto, FL · Accident · No injuries · Limited investigation · Final report · Dec 16, 1990 · N67334 · Substantial damage
  > Poor preflight planning by the pilot due to his failure to purchase fuel before departure resulting in the total loss of engine power due to fuel exhaustion. Contributing to the accident was the inaccurate fuel gauges.
- [NTSB SEA91LA034](https://openairdocs.org/ntsb/SEA91LA034.md): Beech D50C · Snohomish, WA · Accident · 1 fatal · Limited investigation · Final report · Dec 15, 1990 · N833Q · Substantial damage
  > The obstruction (protruding door support bracket) in the doorway of the aircraft; failure of the company/operator personnel, the pilot, and the skydivers to assure that the doorway was clear of obstructions; and subsequent snagging of the d-ring, which…
- [NTSB MIA91LA044](https://openairdocs.org/ntsb/MIA91LA044.md): Beech F33A · Lakeland, FL · Accident · No injuries · Limited investigation · Final report · Dec 15, 1990 · N81562 · Substantial damage
  > Total loss of engine power due to oil exhaustion for undetermined reasons. This caused the pistons to seize in the cylinders.
- [NTSB DEN91IA026](https://openairdocs.org/ntsb/DEN91IA026.md): British Aerospace BAE 146-200 · Denver, CO · Incident · No injuries · Incident investigation · Final report · Dec 15, 1990 · N609AW · Minor damage
  > The catastrophic failure of the no.12 blade on the 4th stage turbine wheel, and failure of company maintenance personnel to identify the preexisting crack during maintenance inspection.
- [NTSB LAX91LA055](https://openairdocs.org/ntsb/LAX91LA055.md): Cessna 150G · Fresno, CA · Accident · 1 fatal · Limited investigation · Final report · Dec 14, 1990 · N4651X · Destroyed
  > The pilots intentional flight into known adverse weather conditions and his failure to maintain control of the aircraft. Factors in the accident were: the foggy weather conditions; spatial disorientation; and the pilot's over confidence in his own personal…
- [NTSB CHI91DCQ02](https://openairdocs.org/ntsb/CHI91DCQ02.md): Piper PA-23-250 · Brownell, KS · Accident · No injuries · Final report · Dec 14, 1990 · CGDLC · Substantial damage
  > Fuel exhaustion, due to the pilot's failure to ensure that the aircraft had been refueled.
- [NTSB LAX91FA059](https://openairdocs.org/ntsb/LAX91FA059.md): Cessna 182C · Globe, AZ · Accident · 1 fatal · Field investigation · Final report · Dec 13, 1990 · N8922T · Destroyed
  > The pilot's failure to conduct a weather evaluation prior to flight and his attempt to conduct his flight under visual flight rules into instrument meteorological conditions. Low ceilings along his flight route and self induced pressure to reach his…
- [NTSB MIA91LA043](https://openairdocs.org/ntsb/MIA91LA043.md): Piper PA-28-151 · Jupiter, FL · Accident · No injuries · Limited investigation · Final report · Dec 12, 1990 · N4480F · Substantial damage
  > Partial loss of engine power due to failure of an exhaust valve, due to a valve guide that was worn beyond specifications.
- [NTSB NYC91FA046](https://openairdocs.org/ntsb/NYC91FA046.md): Aerostar S-60A · Columbus, OH · Accident · 4 fatal · Field investigation · Final report · Dec 11, 1990 · N3589J · Destroyed
  > Improper planning/decision by the pilot. The unfavorable wind and temperature inversion were related factors.
- [NTSB CHI91DEE02](https://openairdocs.org/ntsb/CHI91DEE02.md): Maule M-4-220C · Romeoville, IL · Accident · Minor injuries · Final report · Dec 11, 1990 · N40614 · Substantial damage
  > The pilot's inadequate preflight inspection resulting in power loss from fuel contamination. A factor in the accident was the owner's failure to accomplish airworthiness directive 84-9-7 which provided direct, convenient access to sample and purge the main…
- [NTSB ATL91LA030](https://openairdocs.org/ntsb/ATL91LA030.md): Beech S35 · N. Myrtle Beach, SC · Accident · No injuries · Limited investigation · Final report · Dec 11, 1990 · N53G · Substantial damage
  > The pilot's failure to ensure that the engine oil filter was properly installed prior to flight, resulting in engine oil loss and eventual failure of the engine.
- [NTSB FTW91LA024](https://openairdocs.org/ntsb/FTW91LA024.md): Cessna 152 · Gilmer, TX · Accident · Minor injuries · Limited investigation · Final report · Dec 10, 1990 · N68776 · Substantial damage
  > A power loss due to the pilot's improper use of carburetor heat.
- [NTSB SEA91LA031](https://openairdocs.org/ntsb/SEA91LA031.md): Beech 3NM · Bozeman, MT · Accident · No injuries · Limited investigation · Final report · Dec 9, 1990 · N9159B · Substantial damage
  > The failure of the right engine master rod.
- [NTSB LAX91LA051](https://openairdocs.org/ntsb/LAX91LA051.md): Ercoupe 415-C · Madera, CA · Accident · Minor injuries · Limited investigation · Final report · Dec 9, 1990 · N3080H · Substantial damage
  > Engine failure due to a plugged vent line, affecting the ability of the system to transfer fuel to the main tank.
- [NTSB ATL91LA029](https://openairdocs.org/ntsb/ATL91LA029.md): Piper PA 28R-200 · Senoia, GA · Accident · No injuries · Limited investigation · Final report · Dec 9, 1990 · N5003T · Substantial damage
  > Improper preflight planning and preparation by the pilot which resulted in fuel exhaustion. Factors to the accident were the dark night operation and the collision with utility lines.
- [NTSB CHI91LA043](https://openairdocs.org/ntsb/CHI91LA043.md): Cessna 152 · Joliet, IL · Accident · No injuries · Limited investigation · Final report · Dec 8, 1990 · N48779 · 2 aircraft · Substantial damage
  > Inadequate visual lookout by the pilots of both aircraft, which resulted in their failure to see-and-avoid each other's aircraft.
- [NTSB ATL91LA034](https://openairdocs.org/ntsb/ATL91LA034.md): Piper PA-28-180 · Hickory, NC · Accident · No injuries · Limited investigation · Final report · Dec 8, 1990 · N9685J · Substantial damage
  > The pilots's inadequate visual lookout during flight. A factor in the accident was the pilot's failure to maintain a safe altitude.
- [NTSB ATL91LA027](https://openairdocs.org/ntsb/ATL91LA027.md): Beech 23C · Dunlap, TN · Accident · No injuries · Limited investigation · Final report · Dec 8, 1990 · N5147M · Substantial damage
  > The pilot's failure to use the carburetor heat properly, which resulted in the formation of carburetor ice, followed by a complete loss of engine power. Factors to this accident were carburetor icing conditions and the rough and uneven terrain at the crash…
- [NTSB NYC91FA042](https://openairdocs.org/ntsb/NYC91FA042.md): Beech A24R · Owls Head, NY · Accident · 2 fatal · Field investigation · Final report · Dec 5, 1990 · CGJKL · Destroyed
  > The pilot's continued VFR flight into instrument meteorological conditions (IMC). Factors related to the accident were: darkness, adverse weather conditions, and mountainous terrain.
- [NTSB SEA91LA028](https://openairdocs.org/ntsb/SEA91LA028.md): Aerospatiale SA316B · Vernal, UT · Accident · Minor injuries · Limited investigation · Final report · Dec 3, 1990 · N316BS · Destroyed
  > A malfunction/failure of the helicopter's main rotor lead-lag damper.
- [NTSB SEA91LA029](https://openairdocs.org/ntsb/SEA91LA029.md): Cessna 182A · Burns, OR · Accident · No injuries · Limited investigation · Final report · Dec 2, 1990 · N4005D · Substantial damage
  > The formation of carburetor ice when the pilot delayed the use of carburetor heat.
- [NTSB LAX91LA048](https://openairdocs.org/ntsb/LAX91LA048.md): Cessna T-206 · Tonto Basin, AZ · Accident · No injuries · Limited investigation · Final report · Dec 2, 1990 · N8655Z · Substantial damage
  > The failure of a connecting rod in the engine.
- [NTSB CHI91LA040](https://openairdocs.org/ntsb/CHI91LA040.md): Cessna 182 · Howell, MI · Accident · No injuries · Limited investigation · Final report · Dec 2, 1990 · N70608 · Substantial damage
  > Fuel exhaustion due to re-fueling not performed by the PIC. Contributing factors were fuel consumption calculations misjudged by the PIC.
- [NTSB CHI91LA038](https://openairdocs.org/ntsb/CHI91LA038.md): Cessna 150 · Grand Haven, MI · Accident · No injuries · Limited investigation · Final report · Dec 2, 1990 · N7199S · Substantial damage
  > Delayed application of carburetor heat by the PIC. Contributing factors were carburetor icing conditions (weather) and none suitable terrain.
- [NTSB SEA91FA027](https://openairdocs.org/ntsb/SEA91FA027.md): Aero Commander 690A · Ryderwood, WA · Accident · 5 fatal · Field investigation · Final report · Dec 1, 1990 · N400N · Destroyed
  > The pilot's improper inflight planning and failure to maintain proper altitude in mountainous terrain at night.
- [NTSB SEA91FA025](https://openairdocs.org/ntsb/SEA91FA025.md): Piper PA31 · Enumclaw, WA · Accident · Serious injuries · Field investigation · Final report · Nov 29, 1990 · N13UW · Destroyed
  > Fuel exhaustion due to inadequate preflight planning and preparations, and poor inflight planning and decisions. The pilot elected to fly into known adverse weather conditions, and did not calculate fuel consumption for the planned flight.
- [NTSB NYC91LA040](https://openairdocs.org/ntsb/NYC91LA040.md): Enstrom F-28C · Easton, PA · Accident · No injuries · Limited investigation · Final report · Nov 28, 1990 · N4953X · Destroyed
  > An inflight failure of the left side cabin mount bracket which resulted in a loss of lateral cyclic control. Factors related to the accident were: an incomplete inspection of the helicopter following a hard landing with a blade strike.
- [NTSB LAX91LA042](https://openairdocs.org/ntsb/LAX91LA042.md): Piper PA-28-161 · Livermore, CA · Accident · Serious injuries · Limited investigation · Final report · Nov 26, 1990 · N2601X · Destroyed
  > Inadvertent flight by the pilot into instrument meteorological conditions (IMC), and her failure to maintain adequate altitude and/or clearance from mountainous terrain. The adverse weather and terrain conditions were related factors.
- [NTSB LAX91IA039](https://openairdocs.org/ntsb/LAX91IA039.md): Cessna 152 · Wahiawa, HI · Incident · No injuries · Incident investigation · Final report · Nov 26, 1990 · N95144 · 2 aircraft · Minor damage
  > The inadequate visual lookout of the pilots of both airplanes which resulted in the collision. Contributing to the accident was the improper VFR procedures of N88TE while transitioning through the wheeler afb airport traffic area.
- [NTSB LAX91FA045](https://openairdocs.org/ntsb/LAX91FA045.md): Piper PA-28R-201 · Show Low, AZ · Accident · 1 fatal · Field investigation · Final report · Nov 26, 1990 · N31638 · Destroyed
  > The pilot's improper in-flight planning/decision, which resulted in loss of engine power, due to induction system icing. Factors related to the accident were: the adverse weather condition and lack of a suitable area for a forced landing.
- [NTSB LAX91FA044](https://openairdocs.org/ntsb/LAX91FA044.md): Cessna T210-F · Fontana, CA · Accident · 1 fatal · Field investigation · Final report · Nov 26, 1990 · N6775R · Destroyed
  > The pilot-in-command's decision to continue flight into known adverse weather conditions during the hours of darkness in mountainous terrain.
- [NTSB BFO91LA018](https://openairdocs.org/ntsb/BFO91LA018.md): Bell 47J2A · Matoaca, VA · Accident · No injuries · Limited investigation · Final report · Nov 23, 1990 · N8514P · Substantial damage
  > The failure of four propeller retention and the pilot's misjudgement of the forced landing approach.
- [NTSB CHI91DEX01](https://openairdocs.org/ntsb/CHI91DEX01.md): Cessna 210G · Indianapolis, IN · Accident · Minor injuries · Final report · Nov 22, 1990 · N5819F · Substantial damage
  > Inadequate maintenance and inspection of the airplane resulting in an engine power loss due to water and fuel contamination. A contributing factor was the dark night.
- [NTSB ATL91FA018](https://openairdocs.org/ntsb/ATL91FA018.md): Cessna 182E · Blairsville, GA · Accident · 1 fatal · Field investigation · Final report · Nov 21, 1990 · N3506Y · Substantial damage
  > Fuel exhaustion resulting in engine stoppage, and the pilot's failure to obtain fuel earlier in the flight.
- [NTSB SEA91FA020](https://openairdocs.org/ntsb/SEA91FA020.md): Piper PA-34-200T · Albion, ID · Accident · 1 fatal · Field investigation · Final report · Nov 20, 1990 · N4325X · Destroyed
  > The pilot-in-command's failure to maintain control of the airplane in instrument meteorological conditions. Factors which contributed to the accident were the pilot's apprehension of flying in the forecasted weather, and the adverse weather conditions…
- [NTSB MIA91FA029](https://openairdocs.org/ntsb/MIA91FA029.md): Cessna 172M · Homestead, FL · Accident · 1 fatal · Field investigation · Final report · Nov 20, 1990 · N80509 · Destroyed
  > The failure of the pilot to insure adequate fuel was present in the aircraft for the flight resulting in loss of engine power due to fuel exhaustion.

Next page: https://openairdocs.org/ntsb-phases/400/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 = 400)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-phases/400/cases?year=1990

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