# 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 278 of 718 · 35,885 cases

## Cases, newest first

- [NTSB SEA90LA048](https://openairdocs.org/ntsb/SEA90LA048.md): Bell BH-47G3B2 · Des Moines, WA · Accident · Minor injuries · Limited investigation · Final report · Mar 1, 1990 · N4073G · Destroyed
  > Partial loss of engine power, cause undetermined. The aircraft was not recovered and examination of the engine was not possible.
- [NTSB SEA90LA050](https://openairdocs.org/ntsb/SEA90LA050.md): Cessna 140 · Vancouver, WA · Accident · No injuries · Limited investigation · Final report · Feb 25, 1990 · N2197V · Substantial damage
  > Engine loss of power was due to moisture damage to the coils in the magnetoes. During the forced landing in an open field, the airplane collided with a fence which resulted in substantial damage. The airplane had not undergone current maintenance inspections…
- [NTSB MIA90LA073](https://openairdocs.org/ntsb/MIA90LA073.md): Forney 415-CD · Tavernier, FL · Accident · Minor injuries · Limited investigation · Final report · Feb 25, 1990 · N3358H · Substantial damage
  > Inadequate preflight by the pilot which resulted in fuel exhaustion due to an inadequate supply of fuel. A factor related to the accident was: the presence of trees in the emergency landing area.
- [NTSB ATL90LA067](https://openairdocs.org/ntsb/ATL90LA067.md): Cessna 150M · Leitchfield, KY · Accident · No injuries · Limited investigation · Final report · Feb 25, 1990 · N45302 · Substantial damage
  > The pilot's inadequate preflight, in that he did not assure that both fuel tank filler caps were secure prior to flight.
- [NTSB LAX90LA105](https://openairdocs.org/ntsb/LAX90LA105.md): Cessna 152 · Lucerne Valley, CA · Accident · No injuries · Limited investigation · Final report · Feb 24, 1990 · N48049 · Substantial damage
  > The pilot's failure to use carburetor heat and improper emergency procedures. Contributing to the accident was the pilot's lack of total experience.
- [NTSB LAX90LA102](https://openairdocs.org/ntsb/LAX90LA102.md): Cessna 152 · Lake Elsinore, CA · Accident · No injuries · Limited investigation · Final report · Feb 24, 1990 · N67558 · Substantial damage
  > The pilot's failure to maintain visual lookout.
- [NTSB CHI90FA087](https://openairdocs.org/ntsb/CHI90FA087.md): Piper PA-32RT-300 · Lostant, IL · Accident · 3 fatal · Field investigation · Final report · Feb 23, 1990 · N3063B · Destroyed
  > Flight into known adverse weather conditions by the pilot and structural (wing) icing. Factors related to the accident were: the adverse weather conditions and the pilot's overconfidence in the aircraft's ability.
- [NTSB DEN90LA060](https://openairdocs.org/ntsb/DEN90LA060.md): Cessna T207 · Hungry Horse, MT · Accident · Minor injuries · Limited investigation · Final report · Feb 22, 1990 · N91146 · Destroyed
  > Failure of the #4 connecting rod. Factors related to the accident were: the adverse weather conditions and lack of suitable terrain for a forced landing.
- [NTSB FTW90LA073](https://openairdocs.org/ntsb/FTW90LA073.md): Beech S35 · Carrollton, TX · Accident · Minor injuries · Limited investigation · Final report · Feb 21, 1990 · N236S · Substantial damage
  > Starvation induced power loss caused by the pilot's improper selection/management of the appropriate fuel tank. Contributing to the accident was the pilot's poor inflight planning which resulted in running a fuel tank dry.
- [NTSB MKC90LA054](https://openairdocs.org/ntsb/MKC90LA054.md): Cessna 152 · Crane Lake, MN · Accident · No injuries · Limited investigation · Final report · Feb 19, 1990 · N67366 · Substantial damage
  > Failure of the connecting rod assembly. Factors related to the accident were: terrain conditions in the emergency landing area.
- [NTSB LAX90LA097](https://openairdocs.org/ntsb/LAX90LA097.md): Cessna 182P · Santa Ysabel, CA · Accident · Serious injuries · Limited investigation · Final report · Feb 19, 1990 · N1510M · Destroyed
  > The pilot's attempt to conduct visual flight into instrument meteorological conditions. Low ceilings and mountainous terrain were factors.
- [NTSB NYC90LA071](https://openairdocs.org/ntsb/NYC90LA071.md): Cessna 177RG · Harford, PA · Accident · No injuries · Limited investigation · Final report · Feb 18, 1990 · N45371 · Substantial damage
  > A loss of braking action which allowed the aircraft to run into trees after the pilot made a precautionary landing due to a rough running engine of undetermined cause.
- [NTSB LAX90FA093](https://openairdocs.org/ntsb/LAX90FA093.md): Cessna 210L · Modesto, CA · Accident · 1 fatal · Field investigation · Final report · Feb 18, 1990 · CGICH · Destroyed
  > For an undetermined reason, the engine lost power.
- [NTSB LAX90FA092](https://openairdocs.org/ntsb/LAX90FA092.md): Mooney M20F · Galt, CA · Accident · 2 fatal · Field investigation · Final report · Feb 18, 1990 · N4093N · Destroyed
  > The pilot flew into instrument condition, because spatially disorientated and collided with terrain. Factor was foggy weather conditions.
- [NTSB ANC90FA034](https://openairdocs.org/ntsb/ANC90FA034.md): Piper PA-31-350 · Cold Bay, AK · Accident · 1 fatal · Field investigation · Final report · Feb 17, 1990 · N27328 · Destroyed
  > Continued VFR flight by the pilot into instrument meteorological conditions (IMC), and his failure to maintain adequate altitude (or clearance) from mountainous terrain. The adverse weather and terrain conditions were related factors.
- [NTSB ANC90LA033](https://openairdocs.org/ntsb/ANC90LA033.md): Cessna 172 · Fairbanks, AK · Accident · No injuries · Limited investigation · Final report · Feb 15, 1990 · N4305L · Substantial damage
  > Water (or ice) contamination of the aircraft's fuel, and an inadequate preflight by the pilot. A factor related to the accident was: snow covered terrain in the emergency landing area.
- [NTSB NYC90LA068](https://openairdocs.org/ntsb/NYC90LA068.md): Piper PA-28-181 · Worcester, MA · Accident · Minor injuries · Limited investigation · Final report · Feb 14, 1990 · N763DS · Substantial damage
  > A power loss due to an oil pump failure while operating over unsuitable terrain. A factor related to the accident was night conditions.
- [NTSB MIA90FA071](https://openairdocs.org/ntsb/MIA90FA071.md): Piper PA-28-161 · Roseland, FL · Accident · No injuries · Field investigation · Final report · Feb 14, 1990 · N8432P · Substantial damage
  > The engine failure due to fuel starvation caused by a needle valve in the carburetor which allows fuel to enter the carburetor bowl, stuck in the closed position for undetermined reasons resulting in the forced landing.
- [NTSB FTW90FA072](https://openairdocs.org/ntsb/FTW90FA072.md): Mitsubishi MU-2B-60 · Putnam, TX · Accident · 5 fatal · Field investigation · Final report · Feb 14, 1990 · N300CW · Destroyed
  > Improper planning/decision by the pilot, which resulted in excessive accummulation of structural icing (on the aircraft's wings, stabilizers, fuselage, and/or engine inlets), and his failure to maintain adequate airspeed and aircraft control. Factors related…
- [NTSB MIA90IA070](https://openairdocs.org/ntsb/MIA90IA070.md): Boeing 727-225A · Sarasota, FL · Incident · No injuries · Incident investigation · Final report · Feb 13, 1990 · N8889Z · Minor damage
  > Improper servicing of the forward lavatory by contract service personnel.
- [NTSB FTW90LA071](https://openairdocs.org/ntsb/FTW90LA071.md): Piper PA-28-140 · Rayne, LA · Accident · Minor injuries · Limited investigation · Final report · Feb 13, 1990 · N1785T · Substantial damage
  > Failure of the #3 exhaust valve, which necessitated a forced landing on unsuitable terrain.
- [NTSB CHI90LA078](https://openairdocs.org/ntsb/CHI90LA078.md): Cessna 152 · Elkhart, IN · Accident · No injuries · Limited investigation · Final report · Feb 13, 1990 · N4931M · Substantial damage
  > The pilot's improper in-flight planning/decision and inadequate fuel consumption calculations, which resulted in a loss of engine power & subsequent off-airport forced landing. The stronger than anticipated wind aloft was a contributing factor.
- [NTSB CHI90LA079](https://openairdocs.org/ntsb/CHI90LA079.md): Cessna 177B · Raleigh, IL · Accident · No injuries · Limited investigation · Final report · Feb 12, 1990 · N35100 · Substantial damage
  > Inadequate preflight by the pilot and fuel exhaustion due to an inadequate supply of fuel. The unreliable fuel quantity gauge was a related factor.
- [NTSB MKC90LA053](https://openairdocs.org/ntsb/MKC90LA053.md): Cessna 150 · Palestine, AR · Accident · Minor injuries · Limited investigation · Final report · Feb 10, 1990 · N3049V · Substantial damage
  > Improper planning/decision by the pilot, which resulted in fuel exhaustion, due to an inadequate supply of fuel.
- [NTSB FTW90DRD02](https://openairdocs.org/ntsb/FTW90DRD02.md): C&J Sontheimer Rotorway · Lake Charles, LA · Accident · No injuries · Final report · Feb 10, 1990 · N850JR · Substantial damage
  > Failure of the tail rotor drive belt.
- [NTSB NYC90LA069](https://openairdocs.org/ntsb/NYC90LA069.md): Cessna 172P · Sunapee Lake, NH · Accident · No injuries · Limited investigation · Final report · Feb 9, 1990 · N65057 · Substantial damage
  > Failure of the pilot to maintain adequate altitude above the lake, which resulted in unplanned contact with its frozen surface.
- [NTSB BFO90FA024](https://openairdocs.org/ntsb/BFO90FA024.md): Piper PA-28-180 · Norton, VA · Accident · 2 fatal · Field investigation · Final report · Feb 9, 1990 · N40793 · Destroyed
  > Pilot's failure to maintain adequate clearance over mountainous terrain when continuing to fly into deteriorating weather conditions. Contributing to the accident was the pilot's lack of instrument experience, low ceilings, fog, and mountainous terrain.
- [NTSB NYC90LA070](https://openairdocs.org/ntsb/NYC90LA070.md): Cessna 150 · Duanesburg, NY · Accident · Serious injuries · Limited investigation · Final report · Feb 8, 1990 · N4768X · Substantial damage
  > The failure of the flight instructor to adequately monitor the actions of the student pilot and apply corrective action in a timely manner.
- [NTSB DEN90FA053](https://openairdocs.org/ntsb/DEN90FA053.md): Bell 205A-1 · Wrangell, AK · Accident · 6 fatal · Field investigation · Final report · Feb 7, 1990 · CGNMJ · Destroyed
  > The pilot's continued VFR flight into instrument meteorological conditions (IMC), and his failure to maintain control of the aircraft due to spatial disorientation. Factors related to the accident were: company induced pressure to make the flight, the pilot's…
- [NTSB LAX90FA084](https://openairdocs.org/ntsb/LAX90FA084.md): Piper PA-46-350P · Bakersfield, CA · Accident · 2 fatal · Field investigation · Final report · Feb 6, 1990 · N8888M · Destroyed
  > The pilot's failure to activate the pitot heat before flying at and above the freezing level in instrument meteorological conditions (IMC), followed by his improper response to erroneous airspeed indications that resulted from blockage of the pitot tube by…
- [NTSB CHI90LA076](https://openairdocs.org/ntsb/CHI90LA076.md): Piper PA28-180 · South Webster, OH · Accident · No injuries · Limited investigation · Final report · Feb 6, 1990 · N5236L · Substantial damage
  > An engine failure. Soft terrain in the forced landing area is a factor.
- [NTSB SEA90FA045](https://openairdocs.org/ntsb/SEA90FA045.md): Cessna 402B · Baker, OR · Accident · 1 fatal · Field investigation · Final report · Feb 5, 1990 · N50GP · Destroyed
  > Pilot displayed poor inflight planning by selecting to fly into known adverse weather conditions. The pilot did not maintain an adequate visual lookout when operating in snow shower conditions and collided into the terrain.
- [NTSB FTW90LA064](https://openairdocs.org/ntsb/FTW90LA064.md): Piper PA-28-140 · Roanoke, TX · Accident · Minor injuries · Limited investigation · Final report · Feb 5, 1990 · N33052 · Substantial damage
  > The partial power loss due to a failed exhaust valve and the failure of the pilot to maintain adequate speed during the precautionary landing approach.
- [NTSB SEA90LA038](https://openairdocs.org/ntsb/SEA90LA038.md): Piper PA-22 · Boring, OR · Accident · No injuries · Limited investigation · Final report · Feb 4, 1990 · N8898C · Substantial damage
  > Carburetor icing, and the pilot's improper use of carburetor heat. Factors related to the accident were: carburetor icing conditions and the soft/uneven terrain in the emergency landing area.
- [NTSB MIA90LA066](https://openairdocs.org/ntsb/MIA90LA066.md): Cessna 172A · Pahokee, FL · Accident · No injuries · Limited investigation · Final report · Feb 3, 1990 · N6812X · Substantial damage
  > Loss of engine power for am undetermined reason.
- [NTSB MIA90LA065](https://openairdocs.org/ntsb/MIA90LA065.md): Mooney M-20K-231 · Winter Haven, FL · Accident · Serious injuries · Limited investigation · Final report · Feb 3, 1990 · N1173E · Substantial damage
  > The pilot in command failed to properly pre-flight the airplane and assure that an adequate fuel supply was onboard to complete the intended flight. This resulted in an engine failure due to fuel exhaustion.
- [NTSB DEN90LA054](https://openairdocs.org/ntsb/DEN90LA054.md): Piper PA-32RT-300T · Provo, UT · Accident · No injuries · Limited investigation · Final report · Feb 3, 1990 · N21492 · Substantial damage
  > Improper installation by maintenance personnel and fatigue failure and leakage of the left intermediate exhaust pipe, which resulted in an in-flight fire in the engine compartment. Contributing factors were: inadequate service bulletin provided by the…
- [NTSB SEA90FA039](https://openairdocs.org/ntsb/SEA90FA039.md): Piper PA28-180 · Castle Rock, WA · Accident · 1 fatal · Field investigation · Final report · Feb 2, 1990 · N8859J · Destroyed
  > The pilot lost control of the airplane which entered a stall/spin that the pilot did not recover from.
- [NTSB FTW90FA062](https://openairdocs.org/ntsb/FTW90FA062.md): Piper PA-32-300 · Coalgate, OK · Accident · 4 fatal · Field investigation · Final report · Feb 1, 1990 · N9235Z · Destroyed
  > Flight into known adverse weather conditions by the non-instrument rated pilot, and his subsequent spatial disorientation, which resulted in a loss of aircraft control. Factors related to the accident were: inoperative instrument panel lights, dark night,…
- [NTSB NYC90LA064](https://openairdocs.org/ntsb/NYC90LA064.md): Mooney M20-K · Gibsonia, PA · Accident · No injuries · Limited investigation · Final report · Jan 31, 1990 · N1149G · Substantial damage
  > The collision with rods in the field as the pilot was attempting a forced landing after a complete engine failure.
- [NTSB BFO90MA023](https://openairdocs.org/ntsb/BFO90MA023.md): Hawker Siddeley HS.125-35 · Columbia, MO · Accident · 1 fatal · Major investigation · Final report · Jan 31, 1990 · G0B0B · Destroyed
  > Inadequate preflight by the pilot(s), water contamination of the fuel, low level of deice fluid (methanol) in the deice tank, and subsequent ice blockage of the fuel filters. Darkness was a related factor.
- [NTSB CHI90LA074](https://openairdocs.org/ntsb/CHI90LA074.md): MBB BK-117A-1 · Janesville, WI · Accident · No injuries · Limited investigation · Final report · Jan 30, 1990 · N117M · Substantial damage
  > The pilot-in-command failed to ensure that the engine cowling latches were properly secured prior to departing on the maintenance test flight; the cowling came loose during flight, and contacted the main rotor blades before it separated from the helicopter.
- [NTSB CHI90LA073](https://openairdocs.org/ntsb/CHI90LA073.md): Bell 222 · Middleville, MI · Accident · No injuries · Limited investigation · Final report · Jan 30, 1990 · N828WA · Substantial damage
  > The pilot's inadequate visual lookout and failure to maintain proper altitude and clearance from the tv tower. The tv tower (guy wire) was a related factor.
- [NTSB ATL90LA057](https://openairdocs.org/ntsb/ATL90LA057.md): Mooney M20A · Parris Island, SC · Accident · No injuries · Limited investigation · Final report · Jan 26, 1990 · N8199E · Substantial damage
  > The failure of the pilot to insure that sufficient fuel was aboard for the flight, resulting in fuel exhaustion.
- [NTSB CHI90LA072](https://openairdocs.org/ntsb/CHI90LA072.md): Beech E18S · Oak Creek, WI · Accident · No injuries · Limited investigation · Final report · Jan 25, 1990 · N48K · Substantial damage
  > Improper planning/decision by the pilot. Factors related to the accident were: the adverse weather conditions, accumulation of structural and/or induction ice, and dark night.
- [NTSB FTW90DRA02](https://openairdocs.org/ntsb/FTW90DRA02.md): North American P-51-D · Galveston, TX · Accident · Serious injuries · Final report · Jan 24, 1990 · N5483V · Destroyed
  > The pilot in command's failure to obtain a weather briefing. Ontributing to the accident was his inadequate inflight planning and the resultant low fuel state.
- [NTSB FTW90LA060](https://openairdocs.org/ntsb/FTW90LA060.md): Aerospatiale AS355F-1 · High Island Ao6 · Accident · 1 fatal · Limited investigation · Final report · Jan 23, 1990 · N5791N · Destroyed
  > Undetermined due to the lack of physical evidence.
- [NTSB LAX90LA080](https://openairdocs.org/ntsb/LAX90LA080.md): Adams A55 · Glendale, AZ · Accident · Serious injuries · Limited investigation · Final report · Jan 21, 1990 · N4021L · No damage
  > Improper planning/decision by the pilot. The unexpected high wind condition was a related factor.
- [NTSB LAX90LA075](https://openairdocs.org/ntsb/LAX90LA075.md): Bellanca 14-19-2 · Palos Verdes, CA · Accident · No injuries · Limited investigation · Final report · Jan 21, 1990 · N7654B · Destroyed
  > Loss of engine power for undetermined reasons.
- [NTSB NYC90LA055](https://openairdocs.org/ntsb/NYC90LA055.md): Cessna 150M · Schuyler, NY · Accident · Serious injuries · Limited investigation · Final report · Jan 20, 1990 · N66787 · Destroyed
  > The pilot's improper use of carburetor heat, which resulted in a loss of engine power due to carburetor ice.

Next page: https://openairdocs.org/ntsb-phases/400/cases.md?page=279

## 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=278

---
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