# 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 271 of 718 · 35,885 cases

## Cases, newest first

- [NTSB ATL90LA186](https://openairdocs.org/ntsb/ATL90LA186.md): Cessna 172N · Stokesdale, NC · Accident · No injuries · Limited investigation · Final report · Sep 29, 1990 · N1904V · Substantial damage
  > The failure of the engine driven oil pump which resulted in oil starvation to the engine. Factors were: the faa's failure to provide sufficient standards for airworthiness directive compliance, and the rough terrain.
- [NTSB SEA90FA197](https://openairdocs.org/ntsb/SEA90FA197.md): Piper PA-24-260 · Bend, OR · Accident · 2 fatal · Field investigation · Final report · Sep 28, 1990 · N8646P · Destroyed
  > An engine power loss due to fuel starvation as a result of a broken seal in the fuel injector servo. In addition, the pilot misjudged his approach into an open field.
- [NTSB CHI90LA276](https://openairdocs.org/ntsb/CHI90LA276.md): Mooney M20E · Morrison, IL · Accident · No injuries · Limited investigation · Final report · Sep 27, 1990 · N7197U · Substantial damage
  > Improper maintenance of the propeller blade by unknown persons and the subsequent failure of the blade in fatigue during cruise flight. A factor was: unsuitable terrain.
- [NTSB BFO90FA079](https://openairdocs.org/ntsb/BFO90FA079.md): Hughes 269C · Jefferson, MD · Accident · 1 fatal · Field investigation · Final report · Sep 25, 1990 · N1094D · Destroyed
  > The failure of the tail rotor drive transmission system due to a worn tail rotor splined drive sleeve, and inadequate maintenance and/or inspection by the operator. Contributing to the loss of control was the student pilot's failure to maintain adequate rotor…
- [NTSB MIA90LA187](https://openairdocs.org/ntsb/MIA90LA187.md): Republic RC-3 · Mulberry, FL · Accident · Serious injuries · Limited investigation · Final report · Sep 24, 1990 · N6291K · Substantial damage
  > An engine failure which required an emergency landing off airport.
- [NTSB FTW90FA186](https://openairdocs.org/ntsb/FTW90FA186.md): Mooney M20A · San Ysidro, NM · Accident · 2 fatal · Field investigation · Final report · Sep 24, 1990 · N6054X · Destroyed
  > Failure of the pilot to maintain adequate terrain clearance during a night VFR flight. Darkness and mountainous terrain were related factors.
- [NTSB NYC90LA228](https://openairdocs.org/ntsb/NYC90LA228.md): Piper PA-12 · Franconia, NH · Accident · Minor injuries · Limited investigation · Final report · Sep 23, 1990 · N2770M · Substantial damage
  > The landing of the airplane in unsuitable terrain, due to the mechanical failure of the engine center muffler baffle, which blocked the exhaust flow, resulting in a loss of power.
- [NTSB ATL90LA178](https://openairdocs.org/ntsb/ATL90LA178.md): Cessna 150J · Albemarle, NC · Accident · No injuries · Limited investigation · Final report · Sep 23, 1990 · N5BW · Substantial damage
  > The pilot's not obtaining an adequate fuel supply for his planned flight, resulting in fuel exhaustion.
- [NTSB NYC90LA224](https://openairdocs.org/ntsb/NYC90LA224.md): Rockwell 690B · North Castle, NY · Accident · Minor injuries · Limited investigation · Final report · Sep 22, 1990 · N81628 · Destroyed
  > The pilot's improper aircraft preflight (fuel cap not properly secured) which resulted in fuel siphoning and fuel exhaustion.
- [NTSB NYC90FA225](https://openairdocs.org/ntsb/NYC90FA225.md): Piper PA-30 · Berlin, VT · Accident · 4 fatal · Field investigation · Final report · Sep 22, 1990 · CFSKO · Destroyed
  > The non-instrument rated pilot's continued VFR flight into instrument meteorological conditions (IMC), and his failure to maintain aircraft control after becoming spatially disoriented. Factors related to the accident were: the adverse weather conditions, and…
- [NTSB CHI90DEP11](https://openairdocs.org/ntsb/CHI90DEP11.md): Varga Kachina 2150A · Neenah, WI · Accident · Minor injuries · Final report · Sep 22, 1990 · N8422J · Substantial damage
  > The pilot's misjudgement of the fuel supply, and his failure to refuel the aircraft. Contributing to the accident was the unsuitable, soft terrain encountered.
- [NTSB ATL90LA175](https://openairdocs.org/ntsb/ATL90LA175.md): Piper PA-18 · Midfield, AL · Accident · No injuries · Limited investigation · Final report · Sep 22, 1990 · N5429H · Substantial damage
  > The pilot's inadequate assessment of deteriorating weather conditions and his resultant flight into areas of low clouds. The safety board believes that the pilot's overall lack of experience was a factor in the accident.
- [NTSB ATL90IA177](https://openairdocs.org/ntsb/ATL90IA177.md): Fairchild SA 227 · Morrisville, NC · Incident · No injuries · Incident investigation · Final report · Sep 22, 1990 · N619AV · No damage
  > The fatigue failure of the rudder trim control rod end.
- [NTSB SEA90LA190](https://openairdocs.org/ntsb/SEA90LA190.md): Cessna 177 · Christmas Valle, OR · Accident · Minor injuries · Limited investigation · Final report · Sep 19, 1990 · N29614 · Substantial damage
  > The pilot's inadequate preflight and failure to maintain alignment during landing ground roll. Factors in the accident were the contaminated fuel and the soft terrain on the landing surface.
- [NTSB LAX90LA326](https://openairdocs.org/ntsb/LAX90LA326.md): Piper PA-28-180 · Mount Wilson, CA · Accident · 1 fatal · Limited investigation · Final report · Sep 19, 1990 · N6528J · Destroyed
  > The pilot's inadvertent flight into IMC. Contributing factors related to the pilot's failure to request in-flight weather avoidance assistance and his misjudged evaluation of the en route weather.
- [NTSB ATL90LA172](https://openairdocs.org/ntsb/ATL90LA172.md): Cessna 172RG · Ozark, AL · Accident · No injuries · Limited investigation · Final report · Sep 17, 1990 · N6411V · Substantial damage
  > Inadequate engine overhaul procedures which allowed the installation of the engine plug without safety wire to hold it in place, and which resulted in oil starvation of the engine.
- [NTSB ANC90LA177](https://openairdocs.org/ntsb/ANC90LA177.md): Helio H-295 · Mcgrath, AK · Accident · No injuries · Limited investigation · Final report · Sep 16, 1990 · N204CW · Substantial damage
  > Fuel contamination. A contributing factor was the inadequate aircraft preflight by the pilot.
- [NTSB LAX90DUJ08](https://openairdocs.org/ntsb/LAX90DUJ08.md): Rockwell S-2R · Yuma, AZ · Accident · Serious injuries · Final report · Sep 15, 1990 · N4165X · Destroyed
  > Failure of the pilot to select a cruise altitude which would ensure adequate clearance from obstructions. A factor in the accident was the dark night which inhibited the pilot's ability to see the obstruction.
- [NTSB FTW90DPJ11](https://openairdocs.org/ntsb/FTW90DPJ11.md): Dooley Mustang MII · Cashion, OK · Accident · No injuries · Final report · Sep 15, 1990 · N7015A · Destroyed
  > The separation of a 14 inch section of one propeller blade due to previous damage.
- [NTSB CHI90LA266](https://openairdocs.org/ntsb/CHI90LA266.md): Cessna 152 · Eau Claire, WI · Accident · No injuries · Limited investigation · Final report · Sep 15, 1990 · N67758 · Substantial damage
  > Fuel exhaustion. Contributing factor was the unsuitable terrain.
- [NTSB BFO90LA075](https://openairdocs.org/ntsb/BFO90LA075.md): Hughes 369E · Prestonburg, KY · Accident · Serious injuries · Limited investigation · Final report · Sep 14, 1990 · N50075 · Destroyed
  > The lost of engine power for undetermined reasons.
- [NTSB SEA90GA180](https://openairdocs.org/ntsb/SEA90GA180.md): Bell 204B · Keller, WA · Accident · 1 fatal · Final report · Sep 12, 1990 · CGKQH · Destroyed
  > The total loss of engine power due to turbine blade separation while the pilot was operating in the aircraft at a gross weight that exceeded performance specifications for existing meteorological conditions. Factors include the failure or inability to…
- [NTSB LAX90LA321](https://openairdocs.org/ntsb/LAX90LA321.md): Brantly Helicopter B-2B · Novato, CA · Accident · No injuries · Limited investigation · Final report · Sep 12, 1990 · N2159W · Substantial damage
  > The pilot's improper execution of the autorotation. Contributing to this accident was the excessive sink rate and misjudging of the altitude.
- [NTSB FTW90FA178](https://openairdocs.org/ntsb/FTW90FA178.md): Bell B206LI · Port O'Connor, TX · Accident · 1 fatal · Field investigation · Final report · Sep 12, 1990 · N882BT · Destroyed
  > The pilot's failure to maintain proper altitude. Factors were the pilot's decision to fly into the known adverse weather and the weather/light conditions.
- [NTSB ANC90LA168](https://openairdocs.org/ntsb/ANC90LA168.md): Cessna 180 · Naknek, AK · Accident · No injuries · Limited investigation · Final report · Sep 12, 1990 · N180EP · Substantial damage
  > The pilot-in-command's improper in-flight planning and ultimate fuel exhaustion.
- [NTSB NYC90DEI02](https://openairdocs.org/ntsb/NYC90DEI02.md): Grumman AA5B · Beachwood, OH · Accident · Serious injuries · Final report · Sep 11, 1990 · N74242 · Destroyed
  > The engine failure due to an improper engine overhaul performed by unqualified persons. The unsuitable terrain was a factor.
- [NTSB LAX90LA325](https://openairdocs.org/ntsb/LAX90LA325.md): Schweizer SGS1-34 · Hemet, CA · Accident · No injuries · Limited investigation · Final report · Sep 9, 1990 · N1163S · Substantial damage
  > Improper compensation for wind conditions.
- [NTSB FTW90DRA08](https://openairdocs.org/ntsb/FTW90DRA08.md): Blaine Laux Pitts S-1 · Edna, TX · Accident · No injuries · Final report · Sep 9, 1990 · N2MN · Substantial damage
  > A power loss due to failure of a connecting rod bolt. A factor was the soft terrain in which the forced landing was performed.
- [NTSB CHI90LA258](https://openairdocs.org/ntsb/CHI90LA258.md): Cessna 177A · Perry, MI · Accident · No injuries · Limited investigation · Final report · Sep 9, 1990 · N30414 · Substantial damage
  > The loss of engine power due to the pilot's inaccurate fuel consumption calculations.
- [NTSB BFO90DID02](https://openairdocs.org/ntsb/BFO90DID02.md): Cessna 182R · Evington, VA · Accident · 2 fatal · Final report · Sep 9, 1990 · N4944H · Destroyed
  > The pilot's failure to maintain control of the aircraft because of spatial disorientation. A contributing cause is failure of the vacuum system.
- [NTSB FTW90FA176](https://openairdocs.org/ntsb/FTW90FA176.md): Beech 36 · Baird, TX · Accident · 2 fatal · Field investigation · Final report · Sep 8, 1990 · N169DD · Destroyed
  > The pilot-in-command failed to maintain control of the airplane while flying in severe weather and instrument meteorological conditions. The adverse weather conditions were a factor.
- [NTSB ANC90LA173](https://openairdocs.org/ntsb/ANC90LA173.md): Piper PA-32RT-300T · Glacier Island, AK · Accident · 2 fatal · Limited investigation · Final report · Sep 8, 1990 · N393HM · Substantial damage
  > Undetermined mechanical failure(s) that resulted in loss of engine power, smoke in the cockpit, and a subsequent emergency descent for a forced landing (ditching) at sea. The lack of suitable terrain for a forced landing was a related factor.
- [NTSB LAX90LA317](https://openairdocs.org/ntsb/LAX90LA317.md): Robinson R22A · Beatty, NV · Accident · Serious injuries · Limited investigation · Final report · Sep 7, 1990 · N85594 · Substantial damage
  > The pilot's selection of an inadequate cruise altitude and his failure to maintain adequate rotor RPM. Contributing factors related to the high density altitude, rising terrain, and the pilot's delayed and improper use of the collective.
- [NTSB SEA90LA174](https://openairdocs.org/ntsb/SEA90LA174.md): Piper PA-32-300RT · Glenrock, WY · Accident · No injuries · Limited investigation · Final report · Sep 6, 1990 · N21434 · Substantial damage
  > Fuel exhaustion resulting from the pilot's inadequate preflight planning/preparation. Unsuitable terrain was a factor related to the accident.
- [NTSB FTW90LA175](https://openairdocs.org/ntsb/FTW90LA175.md): Beech C55 · Weatherford, TX · Accident · No injuries · Limited investigation · Final report · Sep 5, 1990 · N666DF · Substantial damage
  > The fuel starvation induced power loss to the left engine, which resulted from the improper fuel tank being selected by the PIC.
- [NTSB CHI90LA256](https://openairdocs.org/ntsb/CHI90LA256.md): Boeing B75N1 · Marseilles, IL · Accident · Serious injuries · Limited investigation · Final report · Sep 5, 1990 · N62438 · Substantial damage
  > The pilot-in-command's failure to maintain adequate visual outlook to avoid collision with a wire while conducting intentional low level flight.
- [NTSB ANC90FA161](https://openairdocs.org/ntsb/ANC90FA161.md): Piper PA-31-325 · Kaltag, AK · Accident · 3 fatal · Field investigation · Final report · Sep 3, 1990 · N59783 · Destroyed
  > Failure of the pilot to maintain adequate altitude after becoming distracted with an engine problem. Factors related to the accident were: loss of power in the #2 engine for an unknown reason and the low overcast condition.
- [NTSB ANC90LA160](https://openairdocs.org/ntsb/ANC90LA160.md): Champion 7ECA · Cordova, AK · Accident · No injuries · Limited investigation · Final report · Sep 2, 1990 · N7651S · Substantial damage
  > Fuel exhaustion due to the pilot-in-command's improper preflight preparation and planning.
- [NTSB ANC90FA164](https://openairdocs.org/ntsb/ANC90FA164.md): Cessna P206C · Talkeetna, AK · Accident · 5 fatal · Field investigation · Final report · Sep 2, 1990 · N8646Z · Destroyed
  > The pilot-in-command's continued VFR flight into instrument meteorological conditions, and failure to maintain adequate altitude for terrain clearance. Factors to the accident were the adverse weather conditions, mountainous terrain, and the dark night.
- [NTSB MIA90LA181](https://openairdocs.org/ntsb/MIA90LA181.md): Piper J3C-65 · Opa-Locka, FL · Accident · Minor injuries · Limited investigation · Final report · Sep 1, 1990 · N70659 · Substantial damage
  > Engine failure due to lack of oil supply to the number 3 cylinder connecting rod for undetermined reasons. This allowed the connecting rod end cap to separate through the case resulting in oil exhaustion.
- [NTSB CHI90LA254](https://openairdocs.org/ntsb/CHI90LA254.md): Cessna 177 · Farmington, MO · Accident · No injuries · Limited investigation · Final report · Sep 1, 1990 · N29490 · Substantial damage
  > Fuel exhaustion due to unknown reasons.
- [NTSB NYC90LA208](https://openairdocs.org/ntsb/NYC90LA208.md): Piper J5 CUB · Douglas, MA · Accident · No injuries · Limited investigation · Final report · Aug 31, 1990 · N38428 · Substantial damage
  > A total engine failure when the #3 exhaust valve failed, causing internal damage to the engine. Factors related to the accident were: the pilot had to make a forced landing in unsuitable terrain.
- [NTSB LAX90LA313](https://openairdocs.org/ntsb/LAX90LA313.md): Cessna 182C · Reno, NV · Accident · No injuries · Limited investigation · Final report · Aug 31, 1990 · N9021T · Substantial damage
  > Fuel exhaustion and the pilot's failure to perform refueling.
- [NTSB CHI90LA253](https://openairdocs.org/ntsb/CHI90LA253.md): Piper PA25-235 · Logansport, IN · Accident · No injuries · Limited investigation · Final report · Aug 31, 1990 · N7330Z · Substantial damage
  > The engine failed due to fuel exhaustion. The presence of standing corn in the touchdown area was a factor.
- [NTSB MIA90FA177](https://openairdocs.org/ntsb/MIA90FA177.md): Cessna 177-A · Gainesville, FL · Accident · 1 fatal · Field investigation · Final report · Aug 29, 1990 · N30306 · Substantial damage
  > The pilot's failure to refuel prior to flight.
- [NTSB CHI90LA249](https://openairdocs.org/ntsb/CHI90LA249.md): Ryan PT-22A · Greenville, MI · Accident · No injuries · Limited investigation · Final report · Aug 29, 1990 · N5481L · Substantial damage
  > Separation of a loose cylinder assembly in flight, and unsuitable terrain encountered during the execution of a forced landing.
- [NTSB CHI90LA247](https://openairdocs.org/ntsb/CHI90LA247.md): Piper PA-28-181 · Fridley, MN · Accident · No injuries · Limited investigation · Final report · Aug 29, 1990 · N2842D · Substantial damage
  > Engine failure due to fuel exhaustion because of fuel consumption calculations mis-judged by the pilot in command. Contributing factors were unsuitable terrain and a railroad sign.
- [NTSB FTW90FA167](https://openairdocs.org/ntsb/FTW90FA167.md): Piper PA-28-140 · Bulverde, TX · Accident · 1 fatal · Field investigation · Final report · Aug 28, 1990 · N55234 · Destroyed
  > Mismanagement of the fuel supply resulting in fuel starvation. Factors were the pilot's lack of experience in the airplane, the dark night condition, and the trees.
- [NTSB CHI90DEP10](https://openairdocs.org/ntsb/CHI90DEP10.md): Brose Cirrus VK-30 · Baraboo, WI · Accident · No injuries · Final report · Aug 28, 1990 · N420A · Substantial damage
  > The pilot's inadequate preflight and misjudgement of the amount of fuel on board, which resulted in fuel exhaustion and loss of engine power, due to an inadequate supply of fuel. The inoperative fuel totalizer was a related factor.
- [NTSB ANC90FA158](https://openairdocs.org/ntsb/ANC90FA158.md): Cessna 414 · Sitka, AK · Accident · 2 fatal · Field investigation · Final report · Aug 28, 1990 · N8180K · Destroyed
  > Improper planning/decision by the pilot, and his failure to follow IFR procedures and maintain clearance from mountainous terrain.

Next page: https://openairdocs.org/ntsb-phases/400/cases.md?page=272

## 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=271

---
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