# NTSB investigations, 1990: Initial climb

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 8 · 351 cases

## Latest cases

- [NTSB SEA91FA038](https://openairdocs.org/ntsb/SEA91FA038.md): Cessna 182B · Estacada, OR · Accident · 2 fatal · Field investigation · Final report · Dec 31, 1990 · N7288E · Substantial damage
  > A power loss due to carburetor ice, and missing muffler cones as a result of inadequate maintenance inspection. In addition, the pilot failed to maintain adequate airspeed during the forced landing which resulted in a stall.
- [NTSB LAX91LA061](https://openairdocs.org/ntsb/LAX91LA061.md): Piper PA-28-150 · Sierra Vista, AZ · Accident · No injuries · Limited investigation · Final report · Dec 28, 1990 · N5968W · Substantial damage
  > Loss of engine power due to carburetor ice from improper use of the carburetor heat control.
- [NTSB FTW91FA025](https://openairdocs.org/ntsb/FTW91FA025.md): Piper PA28-181 · Olla, LA · Accident · 1 fatal · Field investigation · Final report · Dec 16, 1990 · N8460Q · Destroyed
  > The collapsed carburetor float and restricted movement of the fuel metering needle. Factors were the darknight, the unsuitable terrain, and the operator's maintenance personnel failure to inspect (repair) the engine.
- [NTSB DEN91LA025](https://openairdocs.org/ntsb/DEN91LA025.md): Grumman AA1B · Roswell, NM · Accident · No injuries · Limited investigation · Final report · Dec 15, 1990 · N1638R · Substantial damage
  > Low cylinder compression and fouled spark plug.
- [NTSB CHI91LA057](https://openairdocs.org/ntsb/CHI91LA057.md): Cessna 172M · Austin, MN · Accident · No injuries · Limited investigation · Final report · Dec 13, 1990 · N1489U · Substantial damage
  > The pilot-in-command (student)'s failure to properly evaluate and compensate for gusty wind condiitons and to maintain directional of the aircraft during initial climb. Contributing was the student pilot's lack of total experience and wind gusts.
- [NTSB MIA91LA042](https://openairdocs.org/ntsb/MIA91LA042.md): Cessna 172G · Jacksonville, FL · Accident · Serious injuries · Limited investigation · Final report · Dec 12, 1990 · N5780R · Destroyed
  > Failure to maintain aircraft control after intentional flight into known adverse weather conditions.
- [NTSB LAX91FA052](https://openairdocs.org/ntsb/LAX91FA052.md): de Havilland DHC-6-100 · Perris Valley, CA · Accident · Minor injuries · Field investigation · Final report · Dec 9, 1990 · N121PM · Substantial damage
  > A loss of power on the left engine due to a fatigue failure of a compressor turbine blade leading to further compressor blade damage; a worn power turbine governor throttle cam assembly which led to loss of power on the right engine; and inadequate…
- [NTSB FTW91LA022](https://openairdocs.org/ntsb/FTW91LA022.md): Taylorcraft DC-65 · Boerne, TX · Accident · No injuries · Limited investigation · Final report · Dec 9, 1990 · N61080 · Substantial damage
  > The pilot's inability to climb over obstacles due to encountering a downdraft which exceeded the climb capability of the airplane. Factors in the accident were the gusty wind conditions and the downdraft.
- [NTSB FTW91LA021](https://openairdocs.org/ntsb/FTW91LA021.md): Cessna 150E · Amarillo, TX · Accident · Serious injuries · Limited investigation · Final report · Dec 7, 1990 · N3956U · Destroyed
  > An underpowered takeoff attempt due to incorrectly set magnetos. Contributing was the transmission lines.
- [NTSB LAX91LA050](https://openairdocs.org/ntsb/LAX91LA050.md): Cessna 172M · Big Bear City, CA · Accident · Minor injuries · Limited investigation · Final report · Dec 4, 1990 · N12943 · Substantial damage
  > The pilot's failure to maintain adequate airspeed during takeoff and his incorrect use of full flaps. Factors related to the high density altitude condition and to the pilot's abrupt airplane handling techniques.
- [NTSB NYC91LA045](https://openairdocs.org/ntsb/NYC91LA045.md): Cessna 150J · Columbus, OH · Accident · No injuries · Limited investigation · Final report · Dec 1, 1990 · N60026 · Substantial damage
  > The pilot's improper recovery from a bounced landing. Factors in the accident were: a downwind landing, and loss of engine power for undetermined reasons.
- [NTSB CHI91LA039](https://openairdocs.org/ntsb/CHI91LA039.md): Cessna 150 · Niota, IL · Accident · No injuries · Limited investigation · Final report · Nov 29, 1990 · N50098 · Substantial damage
  > Fuel consumption calculations misjudged by the PIC. Contributing factors were a tailwind landing and no suitable terrain.
- [NTSB NYC91LA038](https://openairdocs.org/ntsb/NYC91LA038.md): Piper PA-28-161 · Marshfield, MA · Accident · No injuries · Limited investigation · Final report · Nov 26, 1990 · N4347H · Substantial damage
  > The partial loss of engine power for undetermined reasons. Contributing to the accident was the unsuitable terrain in which the emergency landing was made.
- [NTSB MIA91LA031](https://openairdocs.org/ntsb/MIA91LA031.md): Cessna 152 · Opa Locka, FL · Accident · No injuries · Limited investigation · Final report · Nov 25, 1990 · N25053 · Substantial damage
  > The pilot's failure to maintain a positive rate of climb while maneuvering to avoid a flock of birds, resulting in an in flight collision with trees. Factor(s) included: attention diverted.
- [NTSB DEN91LA023](https://openairdocs.org/ntsb/DEN91LA023.md): Cessna 150H · Clifton, TX · Accident · Serious injuries · Limited investigation · Final report · Nov 25, 1990 · N23467 · Substantial damage
  > Inadvertent stall. Factors were: tailwind, wrong runway selected, and failure to raise flaps.
- [NTSB ANC91FA014](https://openairdocs.org/ntsb/ANC91FA014.md): Cessna 170 · 40 W Of Clear, AK · Accident · 1 fatal · Field investigation · Final report · Nov 25, 1990 · N4030V · Substantial damage
  > The non-instrument rated pilot-in-command's loss of control while attempting to operate under visual flight rule while in instrument meteorological conditions. Contributing to the accident was the whiteout condition created by the vast expanse of white lake…
- [NTSB NYC91LA036](https://openairdocs.org/ntsb/NYC91LA036.md): Piper PA-28-140 · Cheswold, DE · Accident · 3 fatal · Limited investigation · Final report · Nov 23, 1990 · N7400J · Destroyed
  > A loss of control in flight, by a non-instrument rated pilot in instrument meteorological conditions. Factors related to the accident were: his decision to fly after he received weather briefings which inlcuded 'VFR flight not recommended'.
- [NTSB DEN91LA022](https://openairdocs.org/ntsb/DEN91LA022.md): Piper PA-28-235 · Sherman, TX · Accident · No injuries · Limited investigation · Final report · Nov 23, 1990 · N8660W · Substantial damage
  > A pilot induced inadvertent stall.
- [NTSB SEA91LA018](https://openairdocs.org/ntsb/SEA91LA018.md): Champion 7ECA · Bremerton, WA · Accident · Serious injuries · Limited investigation · Final report · Nov 19, 1990 · N7584U · Destroyed
  > The pilot did not maintain altitude.
- [NTSB NYC91DNE01](https://openairdocs.org/ntsb/NYC91DNE01.md): Craig A. Gordon Teenie TWO · Oxford, CT · Accident · No injuries · Final report · Nov 16, 1990 · N199MG · Substantial damage
  > The failure of the pilot to maintain airspeed which resulted in an inadvertent stall and hard landing. Factors related to the accident were: the power loss and improper maintenance on the engine.
- [NTSB SEA91LA016](https://openairdocs.org/ntsb/SEA91LA016.md): Cessna 172A · Brigham City, UT · Accident · Serious injuries · Limited investigation · Final report · Nov 15, 1990 · N5030A · Substantial damage
  > The pilot did not maintain a proper climb rate.
- [NTSB MIA91LA026](https://openairdocs.org/ntsb/MIA91LA026.md): Piper PA-38-112 · Fort Pierce, FL · Accident · No injuries · Limited investigation · Final report · Nov 13, 1990 · N25109 · Substantial damage
  > Improper preflight decision of the instructor pilot to allow the student to takeoff from the soft grass runway and his failure to abort the takeoff.
- [NTSB LAX91LA025](https://openairdocs.org/ntsb/LAX91LA025.md): Cessna 182Q · Pacoima, CA · Accident · Serious injuries · Limited investigation · Final report · Nov 10, 1990 · N759ED · Destroyed
  > An engine failure for undetermined reasons.
- [NTSB BFO91DID01](https://openairdocs.org/ntsb/BFO91DID01.md): Aeronca Champion 7BCM · Suffolk, VA · Accident · 2 fatal · Final report · Nov 8, 1990 · N7702B · Destroyed
  > A loss of engine power due to low cylinder compression. The low compression was a result of exhaust valve leakage and inadequate maintenance and inspection. In addition, the pilot failed to maintain adequate airspeed which resulted in the airplane stalling.
- [NTSB MIA91LA021](https://openairdocs.org/ntsb/MIA91LA021.md): Cessna 170 · Patillas, PR · Accident · No injuries · Limited investigation · Final report · Nov 4, 1990 · N4023V · Substantial damage
  > The accident was failure of the non certificated pilot to lower the flaps to the correct position for takeoff and failure to abort the takeoff due to insufficient acceleration.
- [NTSB NYC91DNC02](https://openairdocs.org/ntsb/NYC91DNC02.md): Marier Early Bird Jenny · Concord, NH · Accident · Serious injuries · Final report · Nov 3, 1990 · N7165Y · Destroyed
  > The failure of the pilot to maintain adequate airspeed, which resulted in an inadvertent stall spin. A factor related to the accident was: the pilot's lack of experience in the make and model of aircraft.
- [NTSB ATL91IA014](https://openairdocs.org/ntsb/ATL91IA014.md): Bell 412 · Knoxville, TN · Incident · No injuries · Incident investigation · Final report · Nov 3, 1990 · N412UT · Minor damage
  > The pilot's failure to see and avoid the wires prior to the collision. Factors in the incident were the failure of the ground personnel to adequately inspect the landing zone, the presence of high intensity lights at the lz, and the dark lighting conditions.
- [NTSB FTW91DPD01](https://openairdocs.org/ntsb/FTW91DPD01.md): Rans S-9 · Iowa Park, TX · Accident · No injuries · Final report · Nov 2, 1990 · N89KJ · Substantial damage
  > The total loss of engine power due to fuel starvation as the result of a blocked fuel filter in the fuel system.
- [NTSB CHI91FA022](https://openairdocs.org/ntsb/CHI91FA022.md): Cessna 195 · Flint, MI · Accident · 2 fatal · Field investigation · Final report · Oct 31, 1990 · N4325N · Destroyed
  > The pilot-in-command's inadequate preflight inspection of the fuel tank system. Factor(s) were: water contamination in the fuel.
- [NTSB BFO91FA008](https://openairdocs.org/ntsb/BFO91FA008.md): Piper PA-28-181 · Elkton, MD · Accident · Serious injuries · Field investigation · Final report · Oct 30, 1990 · N4321M · Destroyed
  > Loss of engine power for an undetermined reason, and the pilot's failure to maintain adequate airspeed, which resulted in a stall and an inflight collision with the terrain.
- [NTSB BFO91LA007](https://openairdocs.org/ntsb/BFO91LA007.md): Cessna 185 · Ridgely, MD · Accident · No injuries · Limited investigation · Final report · Oct 27, 1990 · N1555F · Destroyed
  > The loss of engine power for undetermined reasons.
- [NTSB ATL91LA009](https://openairdocs.org/ntsb/ATL91LA009.md): Piper PA-22-150 · Summerville, SC · Accident · Minor injuries · Limited investigation · Final report · Oct 26, 1990 · N6142D · Substantial damage
  > An eroded exhaust stack which allowed hot gases to impinge upon the firewall, and ignite cabin insulation.
- [NTSB LAX91LA017](https://openairdocs.org/ntsb/LAX91LA017.md): Beech F33A · Mobile, AZ · Accident · Minor injuries · Limited investigation · Final report · Oct 24, 1990 · N1568A · Substantial damage
  > A fuel flow interruption due to a fuel system seal fragment becoming lodged in the fuel control unit and the manufacturer's inadequate quality control procedures.
- [NTSB MIA91FA014](https://openairdocs.org/ntsb/MIA91FA014.md): Daniel S. Taylor Sonerai II LS · Prattville, AL · Accident · 1 fatal · Field investigation · Final report · Oct 21, 1990 · N148DT · Destroyed
  > The pilot's failure to maintain airspeed. Factors were undetermined loss of engine power and lack of experience in type.
- [NTSB LAX91DUJ02](https://openairdocs.org/ntsb/LAX91DUJ02.md): Joe L. Harr SE-5A · Camp Verde, AZ · Accident · No injuries · Final report · Oct 20, 1990 · N4565 · Substantial damage
  > The pilot's inadvertent shut-off of the fuel supply to the engine shortly after takeoff.
- [NTSB BFO91LA004](https://openairdocs.org/ntsb/BFO91LA004.md): Piper PA-28-140 · Amelia, VA · Accident · Serious injuries · Limited investigation · Final report · Oct 20, 1990 · N4167J · Destroyed
  > The pilot's improper in-flight planning/decision and his intere uphill runway and tailwind.
- [NTSB LAX91DUM02](https://openairdocs.org/ntsb/LAX91DUM02.md): Ayres S2RT-T34 · El Centro, CA · Accident · Serious injuries · Final report · Oct 17, 1990 · N4001M · Destroyed
  > Collision with a ground object after the pilot successfully made a night time emergency landing after experiencing an engine power interruption for undetermined reasons.
- [NTSB LAX91DUJ01](https://openairdocs.org/ntsb/LAX91DUJ01.md): Joseph W. Hillbrand Sonerai IIL · Maricopa, AZ · Accident · Serious injuries · Final report · Oct 17, 1990 · N119JH · Substantial damage
  > An engine failure due to improper fuel.
- [NTSB ATL91LA004](https://openairdocs.org/ntsb/ATL91LA004.md): E TN Plts Starduster Starduster II · Knoxville, TN · Accident · Serious injuries · Limited investigation · Final report · Oct 17, 1990 · N19SR · Substantial damage
  > Pilot's inadvertent closing of the fuel shutoff valve, which totally or partially restricted fuel flow to the engine.
- [NTSB NYC91LA013](https://openairdocs.org/ntsb/NYC91LA013.md): Porterfield Porterfield FP65 · Moravia, NY · Accident · Minor injuries · Limited investigation · Final report · Oct 16, 1990 · N37859 · Destroyed
  > Power loss after takeoff due to a partially clogged fuel line between the fuel tank and the gascolator. Contributing to the accident was unsuitable terrain under the airplane when power loss occurred.
- [NTSB MIA91FA011](https://openairdocs.org/ntsb/MIA91FA011.md): Piper PA-28-161 · Everglades City, FL · Accident · 3 fatal · Field investigation · Final report · Oct 16, 1990 · N143FT · Destroyed
  > The pilot's failure to maintain altitude and his spatial disorientation during a night takeoff over water.
- [NTSB ANC91LA006](https://openairdocs.org/ntsb/ANC91LA006.md): Mooney M20C · Madison Creek, AK · Accident · Minor injuries · Limited investigation · Final report · Oct 15, 1990 · N6601U · Substantial damage
  > The pilot's premature lift off at an inadequate airspeed. Contributing to the accident was the unplowed snow on the runway.
- [NTSB NYC91DHA01](https://openairdocs.org/ntsb/NYC91DHA01.md): James Cote Kolb Twinstar MK II · Gilbertsville, PA · Accident · 1 fatal · Final report · Oct 14, 1990 · N2224N · Substantial damage
  > The failure of the pilot to maintain control of the aircraft after an interuption of power.
- [NTSB LAX91LA011](https://openairdocs.org/ntsb/LAX91LA011.md): Beech C35 · Independence, CA · Accident · No injuries · Limited investigation · Final report · Oct 13, 1990 · N789D · Substantial damage
  > The pilot's failure to attain an altitude adequate to avoid colliding with ojbects during takeoff.
- [NTSB LAX91DUM01](https://openairdocs.org/ntsb/LAX91DUM01.md): Piper PA28-140 · El Cajon, CA · Accident · 1 fatal · Final report · Oct 11, 1990 · N6147J · Destroyed
  > The pilot's failure to maintain flying speed. Contributing to the accident was an engine power loss for undetermined reasons.
- [NTSB DEN91DTM01](https://openairdocs.org/ntsb/DEN91DTM01.md): Historical A-001 · Durango, CO · Accident · Serious injuries · Final report · Oct 7, 1990 · N839 · Substantial damage
  > Engine failure due to carburetor ice. A factor in the accident was the lack of carburetor heat equipment installed in the aircraft.
- [NTSB FTW91LA004](https://openairdocs.org/ntsb/FTW91LA004.md): Waco RNF · Lampasas, TX · Accident · Minor injuries · Limited investigation · Final report · Oct 6, 1990 · N11270 · Substantial damage
  > The failure of a cylinder intake valve spring.
- [NTSB CHI91LA005](https://openairdocs.org/ntsb/CHI91LA005.md): Luscombe 8A · Ashland, KS · Accident · No injuries · Limited investigation · Final report · Oct 6, 1990 · N45606 · Substantial damage
  > The pilot-in-command's exceeding the proper climb rate of the aircraft, and his not maintaining control of the aircraft to prevent a stall.
- [NTSB CHI91DER01](https://openairdocs.org/ntsb/CHI91DER01.md): Cessna 206 · South St. Paul, MN · Accident · Minor injuries · Final report · Oct 4, 1990 · N35889 · Substantial damage
  > The inadvertent deployment of the drag parachute. Related factors are the pilot's improper remedial action, habit interference, and the reduced aircraft controllability.
- [NTSB FTW91GA001](https://openairdocs.org/ntsb/FTW91GA001.md): Mcdonnell Douglas 369E · Anadarko, OK · Accident · No injuries · Final report · Oct 1, 1990 · N381F · Substantial damage
  > Failure of the pilot to maintain proper visual lookout prior to and during departure.

Next page: https://openairdocs.org/ntsb-phases/350/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 = 350)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-phases/350/cases?year=1990

---
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.