# NTSB investigations, 1990: Approach

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 7 · 334 cases

## Latest cases

- [NTSB BFO91LA022](https://openairdocs.org/ntsb/BFO91LA022.md): Piper PA-32R · Mitchellville, MD · Accident · No injuries · Limited investigation · Final report · Dec 30, 1990 · N6945J · Substantial damage
  > Pilot failure to maintain altitude clearance above an obstacle after the aircraft encountered a downdraft.
- [NTSB ATL91FA035](https://openairdocs.org/ntsb/ATL91FA035.md): Beech B95 · Austell, GA · Accident · 1 fatal · Field investigation · Final report · Dec 30, 1990 · N2794Y · Destroyed
  > The loss of engine power which resulted from the pilot's failure to properly use the carburetor heat. The pilot failed to maintain flying speed during the emergency descent which resulted in a stall on final approach. A factor in the accident was weather…
- [NTSB MIA91FA057](https://openairdocs.org/ntsb/MIA91FA057.md): Mooney M20C · Pensacola, FL · Accident · 1 fatal · Field investigation · Final report · Dec 28, 1990 · N6600U · Destroyed
  > The pilot's failure to use carburetor heat resulting in loss of engine power due to carburetor ice. A factor in the accident was the pilot's medical condition.
- [NTSB LAX91LA060](https://openairdocs.org/ntsb/LAX91LA060.md): Cessna 172N · Yucca Valley, CA · Accident · Minor injuries · Limited investigation · Final report · Dec 26, 1990 · N5258D · Substantial damage
  > The pilot's improper use of the flaps. Contributing to this accident was the loss of control during tailwind landing, and his tailwind and the pilot's inadequate inflight planning.
- [NTSB CHI91LA051](https://openairdocs.org/ntsb/CHI91LA051.md): Cessna 152 · Plymouth, MI · Accident · No injuries · Limited investigation · Final report · Dec 26, 1990 · N67401 · Substantial damage
  > The pilot-in-command (CFI)'s inadequate supervision of the dual student.
- [NTSB ANC91FA017](https://openairdocs.org/ntsb/ANC91FA017.md): Piper PA-31-350 · Evanston, WY · Accident · 1 fatal · Field investigation · Final report · Dec 18, 1990 · N4082H · Destroyed
  > The pilot's premature descent. Contributing to the accident was the pilot's fatigue and poor weather.
- [NTSB NYC91LA050](https://openairdocs.org/ntsb/NYC91LA050.md): Cessna 210 · Warwick, NY · Accident · No injuries · Limited investigation · Final report · Dec 16, 1990 · N9480T · Substantial damage
  > A power failure for undetermined reasons, resulting in a forced landing in unsuitable terrain.
- [NTSB NYC91LA048](https://openairdocs.org/ntsb/NYC91LA048.md): Cessna 150L · Nw Philadelphia, OH · Accident · Minor injuries · Limited investigation · Final report · Dec 14, 1990 · N6891G · Substantial damage
  > The failure of the pilot to maintain airspeed during an attempted go-around which resulted in an inadvertent stall. Factors related to the accident were: improper use of the mixture control and carburetor heat.
- [NTSB NYC91LA047](https://openairdocs.org/ntsb/NYC91LA047.md): Piper PA-28-161 · Easton, PA · Accident · No injuries · Limited investigation · Final report · Dec 13, 1990 · N9898K · Substantial damage
  > The flight instructor allowed the airplane to get too low on final approach during the demonstration of a power off landing.
- [NTSB CHI91DEM02](https://openairdocs.org/ntsb/CHI91DEM02.md): Taylorcraft BC12-D1 · North Muskegon, MI · Accident · 1 fatal · Final report · Dec 11, 1990 · N44350 · Substantial damage
  > The pilot-in-command's not maintaining sufficient airspeed and entering into an inadvertent stall. Factors related to this accident were fuel starvation and the pilot-in-command's not selecting a proper fuel tank selector position.
- [NTSB ANC91LA015](https://openairdocs.org/ntsb/ANC91LA015.md): Piper PA-32 · Kongikank, AK · Accident · No injuries · Limited investigation · Final report · Dec 11, 1990 · N8225J · Substantial damage
  > The pilot in command's failure to maintain airspeed during approach resulting in an inadverrtent stall annd uncontrolled descent into the ground.
- [NTSB CHI91LA042](https://openairdocs.org/ntsb/CHI91LA042.md): Cessna 150 · Portage, WI · Accident · No injuries · Limited investigation · Final report · Dec 6, 1990 · N11327 · Substantial damage
  > Delayed go-around and stall encountered. Contributing factors were a snow bank, proper alignment not attained, and raising the flaps not performed by the PIC.
- [NTSB ATL91FA026](https://openairdocs.org/ntsb/ATL91FA026.md): Beech D-55 · Greer, SC · Accident · Serious injuries · Field investigation · Final report · Dec 5, 1990 · N2000Q · Substantial damage
  > Fuel starvation. A contributing factor was the pilot's failure to follow normal fuel system operational procedures which resulted in the total loss of engine power.
- [NTSB BFO91LA016](https://openairdocs.org/ntsb/BFO91LA016.md): Cessna 172P · Axton, VA · Accident · 1 fatal · Limited investigation · Final report · Dec 2, 1990 · N55276 · Destroyed
  > The pilot's failure to maintain adequate clearance with an obstacle. Contributing was an unmarked powerline and the pilot's lack of familiarity with the geographical area.
- [NTSB SEA91LA032](https://openairdocs.org/ntsb/SEA91LA032.md): Piper PA-46-310P · Seattle, WA · Accident · No injuries · Limited investigation · Final report · Dec 1, 1990 · N437OZ · Substantial damage
  > The pilot's failure to maintain airspeed while on an instrument approach under instrument meteorlogical conditions, resulting in the aircraft stalling and enter a spin.
- [NTSB MIA91LA036](https://openairdocs.org/ntsb/MIA91LA036.md): Cessna 550 · Sebring, FL · Accident · No injuries · Limited investigation · Final report · Nov 29, 1990 · N97QS · Substantial damage
  > The pilot's delayed go-around after encountering a fog bank on short final. The fog and the dark night were factors.
- [NTSB CHI91FA035](https://openairdocs.org/ntsb/CHI91FA035.md): Piper PA-31T2 · Des Moines, IA · Accident · 1 fatal · Field investigation · Final report · Nov 29, 1990 · N1879W · Destroyed
  > The pilot's improper emergency procedures by not feathering the left engine after it lost power and/or was shut down, and his failure to keep the aircraft at or above the minimum control airspeed (VMC), which resulted in a loss of aircraft control. A factor…
- [NTSB FTW91LA019](https://openairdocs.org/ntsb/FTW91LA019.md): Cessna 172 · Granbury, TX · Accident · Minor injuries · Limited investigation · Final report · Nov 26, 1990 · N46383 · Substantial damage
  > Total loss of engine power due to fuel exhaustion. Factors were the pilot's improper fuel consumption calculations, and the darkness of the night.
- [NTSB CHI91FA033](https://openairdocs.org/ntsb/CHI91FA033.md): Cessna 150K · Valley Center, KS · Accident · 2 fatal · Field investigation · Final report · Nov 26, 1990 · N6026G · Destroyed
  > Continued VFR flight by the pilot into instrument meteorological conditions (IMC), and his failure to maintain control of the aircraft after becoming spatially disoriented. Factors related to the accident were: darkness, adverse weather conditions, and the…
- [NTSB CHI91LA030](https://openairdocs.org/ntsb/CHI91LA030.md): Cessna 177 · Mount Ayr, IA · Accident · No injuries · Limited investigation · Final report · Nov 25, 1990 · N13747 · Substantial damage
  > Proper touch-down point not attained and go-around delayed by the PIC. Contributing factors were a downwind, crosswind, weather evaluation misjudged, wrong runway selected and lack of total experience by the PIC.
- [NTSB NYC91FA035](https://openairdocs.org/ntsb/NYC91FA035.md): Cessna 414A · Atlantic City, NJ · Accident · 1 fatal · Field investigation · Final report · Nov 24, 1990 · N2693F · Destroyed
  > Failure of the pilot to follow the published ILS procedure and his continued descent below the decision height. Darkness and the adverse weather conditions were related factors.
- [NTSB NYC91FA034](https://openairdocs.org/ntsb/NYC91FA034.md): Cessna 172M · Perham, ME · Accident · 2 fatal · Field investigation · Final report · Nov 23, 1990 · N9086H · Destroyed
  > The pilot initiating flight into known icing conditions which resulted in an accumulation of airframe ice and a failure to maintain airspeed. The contributing factor was the existing icing conditions.
- [NTSB SEA91LA024](https://openairdocs.org/ntsb/SEA91LA024.md): Cessna 182L · Kamiah, ID · Accident · Minor injuries · Limited investigation · Final report · Nov 22, 1990 · N3167R · Substantial damage
  > The pilot's inadequate compensation for the wind conditions.
- [NTSB SEA91FA021](https://openairdocs.org/ntsb/SEA91FA021.md): Beech 95-55 · Hayden Lake, ID · Accident · 3 fatal · Field investigation · Final report · Nov 22, 1990 · N903T · Destroyed
  > The pilot's improper IFR procedure in failing to intercept the proper glideslope path.
- [NTSB LAX91LA041](https://openairdocs.org/ntsb/LAX91LA041.md): Cessna 180 · Young, AZ · Accident · Serious injuries · Limited investigation · Final report · Nov 22, 1990 · N2574K · Substantial damage
  > The pilot selected the wrong runway and attempted to land with a tailwind.
- [NTSB LAX91FA036](https://openairdocs.org/ntsb/LAX91FA036.md): Beech 95-A55 · Woodland, CA · Accident · 2 fatal · Field investigation · Final report · Nov 22, 1990 · N1594S · Destroyed
  > The pilot's misjudgement of his altitude to assure terrain clearance during a night visual approach. Contributing factors were the dark night, unlit terrain, the pilot's lack of recent night time, the pilot's lack of familiarity with the airport, and an…
- [NTSB CHI91FA031](https://openairdocs.org/ntsb/CHI91FA031.md): Piper PA-32-RT300 · Gaylord, MI · Accident · 4 fatal · Field investigation · Final report · Nov 22, 1990 · N9800K · Destroyed
  > The pilot's failure to maintain adequate terrain clearance. Factors which contributed to the accident were: the dark night, adverse weather conditions, and the pilot's overconfidence in continuing VFR flight into these conditions.
- [NTSB DEN91FA020](https://openairdocs.org/ntsb/DEN91FA020.md): Cessna T210L · Clovis, NM · Accident · Serious injuries · Field investigation · Final report · Nov 20, 1990 · N22054 · Destroyed
  > An inadvertent descent into the ground while conducting a non-precision instrument approach, as a result of the pilot failing to stop his descent at mda. A factor is low visibility due to fog.
- [NTSB NYC91LA030](https://openairdocs.org/ntsb/NYC91LA030.md): Cessna 150H · Freeport, PA · Accident · No injuries · Limited investigation · Final report · Nov 18, 1990 · N23330 · Substantial damage
  > The pilot's miscalculations of the amount of fuel on the airplane required for the flight. A factor was the unsuitable terrain.
- [NTSB SEA91LA015](https://openairdocs.org/ntsb/SEA91LA015.md): Grumman American AA-1C · Port Townsend, WA · Accident · Minor injuries · Limited investigation · Final report · Nov 15, 1990 · N9583U · Destroyed
  > The pilot's failure to use carburetor heat which resulted in a loss of engine power and a forced landing.
- [NTSB LAX91LA029](https://openairdocs.org/ntsb/LAX91LA029.md): Cessna 150F · San Diego, CA · Accident · No injuries · Limited investigation · Final report · Nov 14, 1990 · N8247S · Substantial damage
  > The failure of the student pilot to maintain an adequate airspeed while maneuvering in the traffic pattern; maintain control of the aircraft and the inadvertent stall mush. A factor in the accident was the pilot's limited total expereince.
- [NTSB MIA91GA025](https://openairdocs.org/ntsb/MIA91GA025.md): Beech A-90 · Crestview, FL · Accident · 3 fatal · Final report · Nov 13, 1990 · N2EP · Destroyed
  > The pilot-in-command/cfi improper supervision of the dual student. This resulted in an in flight loss of control, and collision with terrain for failure to maintain minimum control airspeed (VMC) while conducting a simulated emergency procedure.
- [NTSB CHI91LA028](https://openairdocs.org/ntsb/CHI91LA028.md): Piper PA-24-250 · Oswego, KS · Accident · No injuries · Limited investigation · Final report · Nov 11, 1990 · N6981P · Substantial damage
  > Fuel starvation due to improper placement of the fuel tank selector by the pilot.
- [NTSB DEN91DQA01](https://openairdocs.org/ntsb/DEN91DQA01.md): Young 2/3 Scale · Alamogordo, NM · Accident · 1 fatal · Final report · Nov 10, 1990 · N51DY · Destroyed
  > Partial loss of engine power for an undetermined reason, improper planning/decision by the pilot, and the pilot's failure to maintain adequate airspeed, which resulted in an inadvertent stall.
- [NTSB FTW91FA012](https://openairdocs.org/ntsb/FTW91FA012.md): Piper 601P · Nacogdoches, TX · Accident · 5 fatal · Field investigation · Final report · Nov 9, 1990 · N23NS · Destroyed
  > Failure of the pilot to follow IFR procedures and maintain the proper altitude. Factors related to the accident were: the adverse weather conditions, dark night, low fuel state of the aircraft, and trees at the accident site.
- [NTSB CHI91DEP01](https://openairdocs.org/ntsb/CHI91DEP01.md): Dean Bartel Avid Flyer Stol · New London, WI · Accident · No injuries · Final report · Nov 4, 1990 · N287AF · Substantial damage
  > The pilot's failure to obtain a proper touchdown point and his delay in initiating a go-around.
- [NTSB CHI91LA023](https://openairdocs.org/ntsb/CHI91LA023.md): Cessna 172 · Fort Scott, KS · Accident · No injuries · Limited investigation · Final report · Nov 3, 1990 · N739VN · Substantial damage
  > The mixture control was set incorrectly resulting in fuel starvation, and the check list was not followed by the cfi/pic.
- [NTSB FTW91LA011](https://openairdocs.org/ntsb/FTW91LA011.md): Cessna 172 · Abilene, TX · Accident · Minor injuries · Limited investigation · Final report · Nov 2, 1990 · N5096D · Substantial damage
  > Pilot's failure to compensate for gusty wind condition.
- [NTSB LAX91LA021](https://openairdocs.org/ntsb/LAX91LA021.md): Cessna 152 · Maricopa, AZ · Accident · No injuries · Limited investigation · Final report · Nov 1, 1990 · N757PZ · Substantial damage
  > The failure of the flight instructor to ensure that an adequate airspeed was maintained during the final approach for the existing wind conditions; to adequately supervise the conduct of the flight; and to arrest the rate of descent prior to touch down.
- [NTSB SEA91LA009](https://openairdocs.org/ntsb/SEA91LA009.md): Cessna T210N · Laramie, WY · Accident · No injuries · Limited investigation · Final report · Oct 28, 1990 · N4981C · Substantial damage
  > The pilot did not properly set the mixture control.
- [NTSB NYC91LA019](https://openairdocs.org/ntsb/NYC91LA019.md): Piper PA-28-180 · Columbia, PA · Accident · Minor injuries · Limited investigation · Final report · Oct 28, 1990 · N9292J · Substantial damage
  > The failure of the pilot to maintain a proper altitude on final approach and compensate for the headwind. A factor to the accident was the failure of the pilot to recognize his low altitude and execute a go-around.
- [NTSB MIA91LA016](https://openairdocs.org/ntsb/MIA91LA016.md): Piper PA-28-181 · Orlando, FL · Accident · Minor injuries · Limited investigation · Final report · Oct 25, 1990 · N21175 · Substantial damage
  > Inadequate planning by the pilot.
- [NTSB BFO91LA006](https://openairdocs.org/ntsb/BFO91LA006.md): Cessna 150L · Lexington, KY · Accident · No injuries · Limited investigation · Final report · Oct 23, 1990 · N18539 · Substantial damage
  > The pilot's inadequate inflight decision causing fuel exhaustion.
- [NTSB LAX91FA012](https://openairdocs.org/ntsb/LAX91FA012.md): Cessna 172M · Goleta, CA · Accident · 1 fatal · Field investigation · Final report · Oct 22, 1990 · N13670 · Destroyed
  > The pilot's failure to maintain proper glidepath while on final approach. A contributing factor was sunglare.
- [NTSB ATL91FA006](https://openairdocs.org/ntsb/ATL91FA006.md): Olsen-Gordon Veri EZE · Hohenwald, TN · Accident · 1 fatal · Field investigation · Final report · Oct 21, 1990 · N9327A · Destroyed
  > The failure of the left rudder control cable which rendered the airplane uncontrollable.
- [NTSB NYC91LA015](https://openairdocs.org/ntsb/NYC91LA015.md): Cessna 152 · Kent, OH · Accident · No injuries · Limited investigation · Final report · Oct 20, 1990 · N5331P · 2 aircraft · Substantial damage
  > Failure of both pilots to maintain visual separation in the landing traffic pattern. Factors to this mid-air collision were the excessive number of airplanes in the airport traffic pattern and radio frequency congestion.
- [NTSB FTW91LA006](https://openairdocs.org/ntsb/FTW91LA006.md): Beech 77 · Arkadelphia, AR · Accident · No injuries · Limited investigation · Final report · Oct 15, 1990 · N38021 · Substantial damage
  > Fuel starvation to the engine due to a blocked fuel system vent. Factors contributing to the accident were the pilot's inadequate preflight, and contacting high vegetation and low trees during the landing roll.
- [NTSB SEA91LA004](https://openairdocs.org/ntsb/SEA91LA004.md): Piper PA28-140 · Hamilton, MT · Accident · No injuries · Limited investigation · Final report · Oct 11, 1990 · N6660W · Substantial damage
  > The pilot's inadequate compensation for wind conditions.
- [NTSB LAX91FA005](https://openairdocs.org/ntsb/LAX91FA005.md): Piper PA-28-235 · Redlands, CA · Accident · 2 fatal · Field investigation · Final report · Oct 10, 1990 · N8876W · Destroyed
  > A total loss of engine power due to fuel starvation as a result of a fuel system leak of an undetermined origin.
- [NTSB DEN91LA006](https://openairdocs.org/ntsb/DEN91LA006.md): Cessna T210M · Englewood, CO · Accident · No injuries · Limited investigation · Final report · Oct 10, 1990 · N565RA · Substantial damage
  > Engine failiure resulting from maintenance discrepancies.

Next page: https://openairdocs.org/ntsb-phases/500/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 = 500)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-phases/500/cases?year=1990

---
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