# NTSB investigations: 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 277 of 718 · 35,885 cases

## Cases, newest first

- [NTSB DEN90FA085](https://openairdocs.org/ntsb/DEN90FA085.md): Cessna 421-C · Boulder, CO · Accident · 2 fatal · Field investigation · Final report · Apr 1, 1990 · N2655V · Destroyed
  > A loss of airplane control as a result control interference by the passenger following a struggle between the pilot and the passenger.
- [NTSB MIA90LA097](https://openairdocs.org/ntsb/MIA90LA097.md): Cessna 150L · Vieques, PR · Accident · No injuries · Limited investigation · Final report · Mar 30, 1990 · N19599 · Substantial damage
  > Failure of packing around the carburetor accelerator pump, which had jammed throttle movement and would not allow an increase in engine RPM above idle.
- [NTSB CHI90FA105](https://openairdocs.org/ntsb/CHI90FA105.md): Cessna 152 · Oberlin, OH · Accident · 1 fatal · Field investigation · Final report · Mar 30, 1990 · N4671M · Destroyed
  > Improper use of carburetor heat by the dual student, carburetor ice, inadequate supervision to correct the situation by the instructor pilot (CFI), and failure of the CFI to maintain adequate airspeed, which resulted in a stall. Carburetor icing condition was…
- [NTSB ATL90LA088](https://openairdocs.org/ntsb/ATL90LA088.md): Mooney M20F · Murfreesboro, TN · Accident · No injuries · Limited investigation · Final report · Mar 30, 1990 · N7061V · Substantial damage
  > Fatigue failure of the propeller blade which resulted in a forced off-airport landing.
- [NTSB FTW90GA088](https://openairdocs.org/ntsb/FTW90GA088.md): Cessna 337G · Notrees, TX · Accident · 1 fatal · Final report · Mar 29, 1990 · N1886M · Destroyed
  > The pilot's decision to continue VFR flight into known IMC.
- [NTSB ATL90FA093](https://openairdocs.org/ntsb/ATL90FA093.md): Piper PA-28-140 · East Ellijay, GA · Accident · 2 fatal · Field investigation · Final report · Mar 29, 1990 · N55864 · Destroyed
  > The non-instrument rated pilot's continued VFR flight into instrument meteorological conditions.
- [NTSB DEN90LA082](https://openairdocs.org/ntsb/DEN90LA082.md): Piper PA-18-150 · Whitewater, MT · Accident · No injuries · Limited investigation · Final report · Mar 28, 1990 · N7134K · Substantial damage
  > Pilot's delayed use of carburetor heat and the subsequent induction icing related partial power loss. Contributing factors were the carburetor icing conditions and the unsuitable terrain in which the forced landing was performed.
- [NTSB NYC90LA081](https://openairdocs.org/ntsb/NYC90LA081.md): Cessna 182-K · Limington, ME · Accident · Minor injuries · Limited investigation · Final report · Mar 25, 1990 · N1895Q · Destroyed
  > Fuel starvation, due to carburetor contamination, which resulted in a forced landing in unsuitable terrain.
- [NTSB MIA90LA096](https://openairdocs.org/ntsb/MIA90LA096.md): Bell 47D1 · Rockledge, FL · Accident · No injuries · Limited investigation · Final report · Mar 25, 1990 · N10326 · Substantial damage
  > Failure of a connecting rod.
- [NTSB DEN90LA079](https://openairdocs.org/ntsb/DEN90LA079.md): Cessna 172M · Colorado Spring, CO · Accident · No injuries · Limited investigation · Final report · Mar 25, 1990 · N19948 · Substantial damage
  > The pilot's decision to initiate flight into known adverse weather, and his in-flight planning/decison. Factors related to the accident were: the adverse weather conditions, and the accumulation of airframe ice.
- [NTSB NYC90LA080](https://openairdocs.org/ntsb/NYC90LA080.md): Cessna CE-172P · Hollidaysburg, PA · Accident · No injuries · Limited investigation · Final report · Mar 24, 1990 · N62274 · Substantial damage
  > Pilot factor in that he failed to ensure there was sufficient fuel on board to complete the flight. This resulted in an engine failure & subsequent forced landing.
- [NTSB LAX90LA125](https://openairdocs.org/ntsb/LAX90LA125.md): Cessna 150J · Livermore, CA · Accident · Serious injuries · Limited investigation · Final report · Mar 24, 1990 · N60025 · Substantial damage
  > The failure of the pilot to anticipate the carburetor icing conditions and to take the appropriate precautions.
- [NTSB CHI90LA101](https://openairdocs.org/ntsb/CHI90LA101.md): Piper PA-28R-200 · Monee, IL · Accident · Minor injuries · Limited investigation · Final report · Mar 23, 1990 · N4490X · Substantial damage
  > Engine failure due to oil starvation resulting from improper maintenance and directive compliance associated with the failed part.
- [NTSB MKC90LA072](https://openairdocs.org/ntsb/MKC90LA072.md): Cessna 150 · Concordia, MO · Accident · No injuries · Limited investigation · Final report · Mar 22, 1990 · N3650J · Substantial damage
  > Inadequate pre-flight planning and preparation, misjudged fuel consumption calculations and re-fueling not performed by the pilot in command.
- [NTSB FTW90IA086](https://openairdocs.org/ntsb/FTW90IA086.md): British Aerospace HS125-800 · Atlanta, GA · Incident · No injuries · Incident investigation · Final report · Mar 22, 1990 · N802X · No damage
  > The leaking aft lavatory water heater unit.
- [NTSB DEN90FA076](https://openairdocs.org/ntsb/DEN90FA076.md): Cessna 182N · Caputa, SD · Accident · 4 fatal · Field investigation · Final report · Mar 22, 1990 · N92292 · Destroyed
  > Improper planning/decision by the pilot, accumulation of structural ice and the pilot's failure to maintain control of the aircraft. The adverrse weather was a related factor.
- [NTSB FTW90IA085](https://openairdocs.org/ntsb/FTW90IA085.md): Cessna Citation SII · Dallas, TX · Incident · No injuries · Incident investigation · Final report · Mar 21, 1990 · N570RC · No damage
  > Improper installation of the air conditioning unit, which resulted in an electrical short which caused separation of an elevator control cable.
- [NTSB ANC90FA040](https://openairdocs.org/ntsb/ANC90FA040.md): Cessna A185E · Alexander Lake, AK · Accident · No injuries · Field investigation · Final report · Mar 20, 1990 · N3386L · Substantial damage
  > Loss of engine power for an unknown reason. Factors related to the accident were: darkness and trees in the emergency landing area.
- [NTSB LAX90LA129](https://openairdocs.org/ntsb/LAX90LA129.md): Bellanca 14-13 · Tehachapi, CA · Accident · Serious injuries · Limited investigation · Final report · Mar 19, 1990 · N74245 · Destroyed
  > A loss of engine power for undetermined reason(s).
- [NTSB DEN90LA075](https://openairdocs.org/ntsb/DEN90LA075.md): Cessna 172 · Elkhorn, MT · Accident · No injuries · Limited investigation · Final report · Mar 18, 1990 · N61918 · Substantial damage
  > The pilot's decision to attempt flight in terrain and conditions which exceeded the performance capabilities of the airplane.
- [NTSB ATL90LA084](https://openairdocs.org/ntsb/ATL90LA084.md): Cessna 150M · Beaufort, NC · Accident · No injuries · Limited investigation · Final report · Mar 18, 1990 · N704EA · Substantial damage
  > The pilot's delayed pull up from an intentional descent during an aborted suicide attempt.
- [NTSB MKC90LA066](https://openairdocs.org/ntsb/MKC90LA066.md): Beech A23 · Fordyce, AR · Accident · Minor injuries · Limited investigation · Final report · Mar 17, 1990 · N3520R · Substantial damage
  > The passenger's intentional interference with the flight by seizing the controls and shutting off the engine.
- [NTSB FTW90LA084](https://openairdocs.org/ntsb/FTW90LA084.md): Cessna 172G · Rio Hondo, TX · Accident · No injuries · Limited investigation · Final report · Mar 17, 1990 · N4696L · Substantial damage
  > Oil starvation induced power loss due to improper maintenance procedures. Contributing to the accident were inadequate maintenance inspection and the soft terrain in which the forced landing was performed.
- [NTSB BFO90FA032](https://openairdocs.org/ntsb/BFO90FA032.md): Cessna 172N · Bedford, VA · Accident · 2 fatal · Field investigation · Final report · Mar 17, 1990 · N76026 · Destroyed
  > The pilot's decision to fly into known adverse weather conditions and his failure to maintain clearance above the terrain. Contributing to the accident was the pilot's self induced pressure, low ceilings, mountainous terrain and rain.
- [NTSB MKC90LA065](https://openairdocs.org/ntsb/MKC90LA065.md): Piper PA-28-140 · Herington, KS · Accident · Minor injuries · Limited investigation · Final report · Mar 16, 1990 · N8285N · Substantial damage
  > Failure of the #2 exhaust valve, and improper flare by the pilot during the forced landing.
- [NTSB MIA90FA090](https://openairdocs.org/ntsb/MIA90FA090.md): Butler Aerostar 601 · Lake Butler, FL · Accident · Minor injuries · Field investigation · Final report · Mar 16, 1990 · N7443S · Destroyed
  > Inflight failure of the left engine which was caused by inadequate maintenance and inspection by company maintenance personnel resulting in heat damaged magneto leads as a result of a missing exhaust flange-to-turbocharger seal. In addition, the inflight…
- [NTSB DEN90LA074](https://openairdocs.org/ntsb/DEN90LA074.md): Cessna 152 · Albuquerque, NM · Accident · No injuries · Limited investigation · Final report · Mar 16, 1990 · N4590P · Substantial damage
  > The fuel exhaustion induced power loss.
- [NTSB ATL90LA080](https://openairdocs.org/ntsb/ATL90LA080.md): Learjet 24 · Anderson, SC · Accident · Serious injuries · Limited investigation · Final report · Mar 16, 1990 · N100VQ · Substantial damage
  > Electrical arcing which resulted from a short in the pilot's map light circuit; a chafted wire contacted the oxygen supply line at the oxygen control panel in the cockpit. A factor in the accident was the inadequate design of the oxygen panel plumbing and…
- [NTSB ATL90LA077](https://openairdocs.org/ntsb/ATL90LA077.md): Cessna 172N · Ocilla, GA · Accident · Minor injuries · Limited investigation · Final report · Mar 15, 1990 · N733BV · Substantial damage
  > The aircraft's encounter with low level windshear resulting in an uncontrollable descent.
- [NTSB DEN90LA091](https://openairdocs.org/ntsb/DEN90LA091.md): Cessna 172XP · Hurricane, UT · Accident · No injuries · Limited investigation · Final report · Mar 13, 1990 · N1530V · Substantial damage
  > The engine oil leak induced connecting rod failure and subsequent total power loss.
- [NTSB SEA90LA051](https://openairdocs.org/ntsb/SEA90LA051.md): Cessna 150J · Graham, WA · Accident · No injuries · Limited investigation · Final report · Mar 12, 1990 · N5559G · Substantial damage
  > Loss of engine power due to fuel exhaustion and inadequate remedial action after bouncing/ballooning during the forced landing. The pilot's inadequate preflight planning/preparation was a factor related to the accident.
- [NTSB LAX90FA113](https://openairdocs.org/ntsb/LAX90FA113.md): Piper PA28-161 · Malibu, CA · Accident · 4 fatal · Field investigation · Final report · Mar 11, 1990 · N2951S · Destroyed
  > The pilot's decision to turn into an area of known high terrain after inadvertently encountering instrument meteorological conditions.
- [NTSB FTW90LA082](https://openairdocs.org/ntsb/FTW90LA082.md): Cessna 177A · Leesville, LA · Accident · Serious injuries · Limited investigation · Final report · Mar 11, 1990 · N30327 · Destroyed
  > Loss of engine power for undetermined reasons. Contributing to the accident were the rough tree covered terrain in which the forced landing was performed and the bright night conditions.
- [NTSB LAX90FA112](https://openairdocs.org/ntsb/LAX90FA112.md): Cessna 150J · Pine Valley, CA · Accident · 1 fatal · Field investigation · Final report · Mar 10, 1990 · N152EZ · Destroyed
  > The decision of the pilot to continue VFR flight into instrument meteorological conditions, spatial disorientation and inadvertent stall/spin. Factors were: obscuration, low ceiling, and over-confidence in ability.
- [NTSB LAX90FA111](https://openairdocs.org/ntsb/LAX90FA111.md): American AA-1 · Borego Springs, CA · Accident · Serious injuries · Field investigation · Final report · Mar 10, 1990 · N5655L · Destroyed
  > Improper in-flight planning/decision by the pilot, and his failure to maintain sufficient airspeed and altitude, which resulted in a stall/mush into rising mountainous terrain. Factors related to the accident were: the terrain and weather conditions, and…
- [NTSB DEN90LA073](https://openairdocs.org/ntsb/DEN90LA073.md): Beech B-60 · Calhan, CO · Accident · No injuries · Limited investigation · Final report · Mar 10, 1990 · N6025S · Substantial damage
  > Fuel starvation induced power loss due to improper inflight planning and decisions.
- [NTSB CHI90FA096](https://openairdocs.org/ntsb/CHI90FA096.md): Piper PA-60-601P · Bartonville, IL · Accident · 2 fatal · Field investigation · Final report · Mar 10, 1990 · N410HC · Destroyed
  > The pilot allowed the aircraft to exceed its design stress limits after encountering adverse weather. Factors related to the accident were: the pilot's improper evaluation of the weather and the adverse weather condtions.
- [NTSB ATL90LA079](https://openairdocs.org/ntsb/ATL90LA079.md): Cessna 182N · Tuscaloosa, AL · Accident · No injuries · Limited investigation · Final report · Mar 10, 1990 · N92785 · Substantial damage
  > Pilot's failure to maintain an adequate fuel supply, which resulted in fuel exhaustion and engine stoppage.
- [NTSB ATL90FA075](https://openairdocs.org/ntsb/ATL90FA075.md): Sikorsky HSS-1N · Cross, SC · Accident · 1 fatal · Field investigation · Final report · Mar 9, 1990 · N4875M · Destroyed
  > Improper planning/decision by the pilot, which resulted in fuel exhaustion due to an inadequate supply of fuel, and his failure to fly the helicopter in such a manner that would have assured sufficient rotor RPM for an autorotation.
- [NTSB ATL90FA070](https://openairdocs.org/ntsb/ATL90FA070.md): Beech 58 · Demorest, GA · Accident · 2 fatal · Field investigation · Final report · Mar 9, 1990 · N7233R · Destroyed
  > The pilot's failure to maintain control of the airplane while in instrument meteorological conditions. Contributing factors were: the pilot's overconfidence, lack of recent flight experience, and the weather conditions.
- [NTSB MIA90FA081](https://openairdocs.org/ntsb/MIA90FA081.md): Aerospatiale 350D · Miami, FL · Accident · 2 fatal · Field investigation · Final report · Mar 8, 1990 · N5778W · Destroyed
  > Fatigue failure of an engine turbine blade, which resulted in a loss of power. Rough ocean water in the emergency landing area was a related factor.
- [NTSB ATL90FA074](https://openairdocs.org/ntsb/ATL90FA074.md): Piper PA-30 · Dayton, TN · Accident · 1 fatal · Field investigation · Final report · Mar 8, 1990 · N7123Y · Destroyed
  > The pilot's intentional use of an autopilot with known deficiencies. The pilot knowingly relied on this autopilot which malfunctioned in flight and resulted in his becoming spatially disorientated.
- [NTSB LAX90LA110](https://openairdocs.org/ntsb/LAX90LA110.md): Cessna 208B · Lanai, HI · Accident · No injuries · Limited investigation · Final report · Mar 6, 1990 · N851FE · Substantial damage
  > The pilot's misjudgement of the glide path angle while executing a forced landing at the Lanai airport. Contributing to the accident was the failure of the pilot to properly secure the oil filter cap prior to departure.
- [NTSB DEN90IA072](https://openairdocs.org/ntsb/DEN90IA072.md): Cessna 208A · Wright, WY · Incident · No injuries · Incident investigation · Final report · Mar 6, 1990 · N812FE · No damage
  > The incident was engine failure due to gas producer turbine disc blade failure caused by stress rupture.
- [NTSB CHI90LA093](https://openairdocs.org/ntsb/CHI90LA093.md): Cessna 150H · Grygla, MN · Accident · No injuries · Limited investigation · Final report · Mar 4, 1990 · N22923 · Substantial damage
  > The pilot's inadequate preflight preparation/planning, and subsequent fuel exhaustion due to an inadequate supply of fuel. The light condition at dusk, icy terrain (road) and tree were related factors.
- [NTSB MIA90LA077](https://openairdocs.org/ntsb/MIA90LA077.md): Bell 47G · Miami, FL · Accident · Minor injuries · Limited investigation · Final report · Mar 3, 1990 · N4837 · Substantial damage
  > Inadequate preflight by the pilot, which resulted in fuel exhaustion due to an inadequate supply of fuel. The location of trees was a related factor in that the pilot was unable to maintain rotor RPM while attempting to reach a suitable landing area during…
- [NTSB DEN90LA069](https://openairdocs.org/ntsb/DEN90LA069.md): Erco 415C · Tierra Amarilla, NM · Accident · No injuries · Limited investigation · Final report · Mar 3, 1990 · N99378 · Substantial damage
  > Induction icing induced power loss. Factors include continuation of flight into IMC conditions, and unsuitable mountainous terrain for a forced landing.
- [NTSB ATL90LA072](https://openairdocs.org/ntsb/ATL90LA072.md): Cessna 172G · Wanchese, NC · Accident · No injuries · Limited investigation · Final report · Mar 3, 1990 · N3663L · Substantial damage
  > The pilot's premature, discontinued use of carburetor heat.
- [NTSB ATL90LA068](https://openairdocs.org/ntsb/ATL90LA068.md): Cessna 177A · Canon, GA · Accident · Minor injuries · Limited investigation · Final report · Mar 3, 1990 · N30367 · Substantial damage
  > Improper use of carburetor heat by the pilot, which resulted in carburetor ice. Factors related to the accident were: carburetor icing conditions, and soft terrain.
- [NTSB SEA90FA074](https://openairdocs.org/ntsb/SEA90FA074.md): Piper PA28R-200 · Prairie City, OR · Accident · 2 fatal · Field investigation · Final report · Mar 2, 1990 · N2947R · Destroyed
  > Uncontrolled spiralling descent that the pilot did not adequately recover from. The pilots lack of total experience in this type of operation and the dark night condition are a factor.

Next page: https://openairdocs.org/ntsb-phases/400/cases.md?page=278

## 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 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?page=277

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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.