# 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 273 of 718 · 35,885 cases

## Cases, newest first

- [NTSB CHI90LA203](https://openairdocs.org/ntsb/CHI90LA203.md): Forbing Longeze · Yutan, NE · Accident · Minor injuries · Limited investigation · Final report · Jul 30, 1990 · N252BJ · Substantial damage
  > Fuel exhaustion due to an inadequate supply of fuel and the pilot's lack of familiarity with this home-built aircraft. Factors related to the accident were: darkness and obstructions (vehicle & road sign) in the emergency landing area.
- [NTSB CHI90LA201](https://openairdocs.org/ntsb/CHI90LA201.md): Bryant Rowland T-18 · Fisk, WI · Accident · No injuries · Limited investigation · Final report · Jul 30, 1990 · N66BR · 2 aircraft · Substantial damage
  > The pilot-in-command of the thorp T-18'S failure to maintain a sufficient visual lookout to avoid a collision with the Cessna 170A. Contributing was the limited visibility forward and to the right in the thorp T-18.
- [NTSB CHI90LA210](https://openairdocs.org/ntsb/CHI90LA210.md): Piper J-3 CUB · Clay Banks, WI · Accident · No injuries · Limited investigation · Final report · Jul 29, 1990 · N1455N · Substantial damage
  > Pilot's failure to maintain an adequate visual lookout during the descent. Contributing factors are the pilot's poor weather evaluation, and continued VFR flight into IFR conditions.
- [NTSB ATL90LA151](https://openairdocs.org/ntsb/ATL90LA151.md): Cessna 172B · Midway, TN · Accident · Minor injuries · Limited investigation · Final report · Jul 29, 1990 · N8091X · Substantial damage
  > Total failure of the number four exhaust valve, resulting in engine power loss and the subsequent forced landing of the airplane.
- [NTSB SEA90LA148](https://openairdocs.org/ntsb/SEA90LA148.md): Bell BH-214 · Thompson Falls, MT · Accident · No injuries · Limited investigation · Final report · Jul 28, 1990 · N314RM · Substantial damage
  > Crew's encounter with soft terrain while attempting an autorotation landing after the failure of the main rotor drive system.
- [NTSB FTW90DPG06](https://openairdocs.org/ntsb/FTW90DPG06.md): WSK PZL Mielec M18A · Hunter, AR · Accident · No injuries · Final report · Jul 28, 1990 · N81699 · Destroyed
  > Loss of part of the engine exhaust collector, as result of improper maintenance replacement/installation.
- [NTSB DEN90LA168](https://openairdocs.org/ntsb/DEN90LA168.md): Gulfstream G-II · Cheyenne, WY · Accident · Serious injuries · Limited investigation · Final report · Jul 28, 1990 · N405MM · No damage
  > An unforeseen encounter with clear air turbulence.
- [NTSB ANC90LA124](https://openairdocs.org/ntsb/ANC90LA124.md): Cessna 206G · Holy Cross, AK · Accident · No injuries · Limited investigation · Final report · Jul 28, 1990 · N7235N · Substantial damage
  > Loss of engine power for undetermined reasons.
- [NTSB SEA90LA147](https://openairdocs.org/ntsb/SEA90LA147.md): Lake LA-250 · Rawlins, WY · Accident · Minor injuries · Limited investigation · Final report · Jul 27, 1990 · N14004 · Substantial damage
  > Pilot's improper planning/decision, and his misjudgement of the aircraft's climb capability in conditions of high density altitude and unanticipated atmospheric conditions. The high density altitude and rising terrain were related factors.
- [NTSB DEN90FA166](https://openairdocs.org/ntsb/DEN90FA166.md): Cessna 208A · Ruidoso, NM · Accident · No injuries · Field investigation · Final report · Jul 27, 1990 · N105YV · Substantial damage
  > Engine failure due to failure of the gas producer and power turbine assemblies. A factor in the accident was the lack of suitable terrain for the forced landing.
- [NTSB FTW90GA146](https://openairdocs.org/ntsb/FTW90GA146.md): Robinson R22B · Tahlequah, OK · Accident · 1 fatal · Final report · Jul 26, 1990 · N20K · Destroyed
  > The pilot's failure to maintain adequate altitude.
- [NTSB CHI90LA198](https://openairdocs.org/ntsb/CHI90LA198.md): Fairchild Hiller FH-1100 · Ozark, MO · Accident · Minor injuries · Limited investigation · Final report · Jul 26, 1990 · N442FH · Substantial damage
  > Total loss of engine power due to #2 turbine shaft bearing failure. A factor related to the accident was: none suitable terrain.
- [NTSB LAX90LA267](https://openairdocs.org/ntsb/LAX90LA267.md): Cessna 150J · Jamul, CA · Accident · No injuries · Limited investigation · Final report · Jul 25, 1990 · N446VK · Substantial damage
  > The pilot's delay in applying carburetor heat.
- [NTSB LAX90FA268](https://openairdocs.org/ntsb/LAX90FA268.md): Bell 206B · Quincy, CA · Accident · No injuries · Field investigation · Final report · Jul 25, 1990 · N2292W · Substantial damage
  > An unidentified contaminate lodged in the fuel governor.
- [NTSB FTW90LA147](https://openairdocs.org/ntsb/FTW90LA147.md): Cessna 152 · Lytle, TX · Accident · No injuries · Limited investigation · Final report · Jul 25, 1990 · N5278H · Destroyed
  > The pilot's failure to adequately manage the onboard fuel supply.
- [NTSB SEA90LA144](https://openairdocs.org/ntsb/SEA90LA144.md): Piper PA-18-150 · Jordan, MT · Accident · Serious injuries · Limited investigation · Final report · Jul 24, 1990 · N4184Z · Substantial damage
  > Pilot's failure to switch fuel tanks and the unsuitable terrain available for a forced landing.
- [NTSB MIA90LA158](https://openairdocs.org/ntsb/MIA90LA158.md): Bell 206B · Sarasota, FL · Accident · Minor injuries · Limited investigation · Final report · Jul 24, 1990 · N2164Z · Substantial damage
  > Improper control input after the loss of tail rotor effectiveness.
- [NTSB FTW90LA135](https://openairdocs.org/ntsb/FTW90LA135.md): Piper PA-24 · West Fork, AR · Accident · No injuries · Limited investigation · Final report · Jul 23, 1990 · N7202P · Substantial damage
  > The catastrophic failure of the engine.
- [NTSB CHI90FA190](https://openairdocs.org/ntsb/CHI90FA190.md): Piper PA-28 · Plymouth, MI · Accident · 3 fatal · Field investigation · Final report · Jul 23, 1990 · N55354 · 2 aircraft · Destroyed
  > Inadequate visual lookout by the pilot of the PA-60. A factor related to the accident was that neither of the flight crews had obatained atc/radar assistance.
- [NTSB ATL90LA148](https://openairdocs.org/ntsb/ATL90LA148.md): Cessna 182 · Sanford, NC · Accident · No injuries · Limited investigation · Final report · Jul 23, 1990 · N58469 · Substantial damage
  > The failure of the no.1 piston, for undetermined reasons, which resulted in a complete loss of engine power. A factor to the accident was, the forced landing in a soft field.
- [NTSB NYC90LA057](https://openairdocs.org/ntsb/NYC90LA057.md): Cameron AX-8 · Schodack, NY · Accident · Serious injuries · Limited investigation · Final report · Jul 22, 1990 · N1994V · No damage
  > The inflight encounter with unforecast high winds.
- [NTSB MIA90LA156](https://openairdocs.org/ntsb/MIA90LA156.md): Cessna 150 · Jensen Beach, FL · Accident · Minor injuries · Limited investigation · Final report · Jul 21, 1990 · N8761S · Destroyed
  > Fuel exhaustion due to improper planning by the pilot.
- [NTSB LAX90DVG13](https://openairdocs.org/ntsb/LAX90DVG13.md): Charles T. Brietigam RV-4 · San Andreas, CA · Accident · Serious injuries · Final report · Jul 21, 1990 · N87CT · Destroyed
  > The failure of four propeller retention bolts which required the engine to be shut down. A factor in the accident was the pilot's misjudgement of the forced landing approach.
- [NTSB LAX90FA260](https://openairdocs.org/ntsb/LAX90FA260.md): Beech B36TC · Santee, CA · Accident · 1 fatal · Field investigation · Final report · Jul 20, 1990 · N72035 · Destroyed
  > The pilot's decision to attempt VFR flight into instrument meteorological conditions, and his loss of control due to spatial disorientation. Factors contributing to the accident were: the pilot's failure to obtain a weather briefing, the existing weather…
- [NTSB CHI90LA183](https://openairdocs.org/ntsb/CHI90LA183.md): Cessna 180 · Orr, MN · Accident · No injuries · Limited investigation · Final report · Jul 19, 1990 · N2134Z · Substantial damage
  > The pilot's failure to perform fuel consumption calculations which resulted in fuel exhaustion and subsequent loss of engine power. Factor was rough/uneven terrain.
- [NTSB BFO90FA064](https://openairdocs.org/ntsb/BFO90FA064.md): Piper PA-28-200 · Baltimore, MD · Accident · Serious injuries · Field investigation · Final report · Jul 19, 1990 · N32975 · Destroyed
  > The pilot failed to maintain adequate airspeed which resulted in a stall. Contributing was the loss of power for undetermined reasons.
- [NTSB MIA90LA155](https://openairdocs.org/ntsb/MIA90LA155.md): Boeing 727-223 · Fort Myers, FL · Accident · Serious injuries · Limited investigation · Final report · Jul 18, 1990 · N6834 · No damage
  > Unforecasted encounter with weather. The airplane encountered severe turblence during enroute descent, resulting in one flight attendant sustaining serious injury, and one passenger sustaining minor injury.
- [NTSB CHI90LA176](https://openairdocs.org/ntsb/CHI90LA176.md): Cessna 152 · California, MO · Accident · No injuries · Limited investigation · Final report · Jul 18, 1990 · N6095M · Destroyed
  > Fuel exhaustion due to the student pilots lack of fuel use awareness and inadequate training regarding cross country fuel consumption planning and awareness.
- [NTSB CHI90DER02](https://openairdocs.org/ntsb/CHI90DER02.md): North American P-51D · Mayer, MN · Accident · 2 fatal · Final report · Jul 18, 1990 · N512ED · Destroyed
  > Undetermined
- [NTSB ATL90DMG03](https://openairdocs.org/ntsb/ATL90DMG03.md): Piper PA-25 · Farmville, NC · Accident · No injuries · Final report · Jul 18, 1990 · N8939L · Substantial damage
  > The pilot's inadequate pre-flight preparation when he declined to add fuel between aerial application flights. The engine quit as a result of fuel exhaustion.
- [NTSB NYC90LA162](https://openairdocs.org/ntsb/NYC90LA162.md): Piper PA-23-150 · Radnow Township, PA · Accident · Minor injuries · Limited investigation · Final report · Jul 16, 1990 · N3EF · Destroyed
  > Wire strike during an off airport forced landing in unsuitable terrain. Contributing factors were a power loss, caused by an engine oil leak.
- [NTSB MKC90LA149](https://openairdocs.org/ntsb/MKC90LA149.md): Cessna 177 · Newton, KS · Accident · No injuries · Limited investigation · Final report · Jul 16, 1990 · N30032 · Substantial damage
  > Fuel exhaustion and refueling not performed by the pilot in command.
- [NTSB CHI90LA188](https://openairdocs.org/ntsb/CHI90LA188.md): Cessna 150 · Moorhead, MN · Accident · No injuries · Limited investigation · Final report · Jul 16, 1990 · N9873J · Substantial damage
  > The pilot's poor in-flight planning and fuel system monitoring, and his failure to maintain directional control during the subsequent forced landing.
- [NTSB SEA90LA140](https://openairdocs.org/ntsb/SEA90LA140.md): Rockwell S2R · Royal City, WA · Accident · No injuries · Limited investigation · Final report · Jul 15, 1990 · N8468V · Substantial damage
  > The pilot's failure to ensure an adequate supply of fuel, which resulted in fuel exhaustion.
- [NTSB CHI90LA177](https://openairdocs.org/ntsb/CHI90LA177.md): Cessna 152 · Wall, SD · Accident · No injuries · Limited investigation · Final report · Jul 15, 1990 · N68422 · Substantial damage
  > The pilot in command's improper in flight planning which resulted in fuel exhaustion and a forced landing in a field at which time the aircraft nosed over.
- [NTSB MIA90LA153](https://openairdocs.org/ntsb/MIA90LA153.md): Lockheed L-188A · Caribbean Sea · Accident · No injuries · Limited investigation · Final report · Jul 14, 1990 · N4465F · Substantial damage
  > The inflight loss of the nos 3 and 4 propellers and gearboxes for undetermined reasons. The failed components were not recovered from the Caribbean Sea.
- [NTSB MIA90LA152](https://openairdocs.org/ntsb/MIA90LA152.md): Boeing 747-136 · Miami, FL · Accident · Serious injuries · Limited investigation · Final report · Jul 14, 1990 · GAWNL · No damage
  > The inadvertent encounter with severe turbulence while operating in an area of thunderstorm activity.
- [NTSB MKC90LA146](https://openairdocs.org/ntsb/MKC90LA146.md): Piper PA-28-140 · Wichita, KS · Accident · Minor injuries · Limited investigation · Final report · Jul 13, 1990 · N7295F · Substantial damage
  > Fuel exhaustion and refueling not performed by the pilot in command.
- [NTSB MKC90LA145](https://openairdocs.org/ntsb/MKC90LA145.md): Monnett Sonerai II · Cherokee, IA · Accident · Minor injuries · Limited investigation · Final report · Jul 13, 1990 · N2MX · Substantial damage
  > Aircraft control not maintained by the pilot in command.
- [NTSB MKC90LA144](https://openairdocs.org/ntsb/MKC90LA144.md): Bell 47D-1 · Fair Oaks, AR · Accident · Minor injuries · Limited investigation · Final report · Jul 12, 1990 · N8117 · Substantial damage
  > Tail rotor cable disengagement due to inadequate maintenance.
- [NTSB LAX90LA253](https://openairdocs.org/ntsb/LAX90LA253.md): Piper PA22-150 · Springerville, AZ · Accident · No injuries · Limited investigation · Final report · Jul 12, 1990 · N8231C · Substantial damage
  > The encounter with a downdraft beyond the climb capability of the aircraft.
- [NTSB FTW90LA139](https://openairdocs.org/ntsb/FTW90LA139.md): Bellanca 17-31ATC · Denton, TX · Accident · Serious injuries · Limited investigation · Final report · Jul 12, 1990 · N39870 · Substantial damage
  > The pilot failures to properly in stall a oil line which resulted in a complete loss of engine power after the oil supply was exhausted.
- [NTSB DEN90FA159](https://openairdocs.org/ntsb/DEN90FA159.md): Cessna P210R · Ogden, UT · Accident · 1 fatal · Field investigation · Final report · Jul 12, 1990 · N6203A · Destroyed
  > Failure of the #1 piston due to pre-ignition/detonation in the #1 cylinder, and inadequate visual lookout by the pilot (his failure to see-and-avoid the obstruction). The obstruction (power line) was a related factor.
- [NTSB BFO90FA063](https://openairdocs.org/ntsb/BFO90FA063.md): Beech P35 · Disputanta, VA · Accident · 1 fatal · Field investigation · Final report · Jul 12, 1990 · N9726Y · Destroyed
  > The pilot's indequate inflight decision which resulted in flight into adverse weather condition. Contributing to the accident was thunderstorms and the pilot exceeding the design limits of the airplane.
- [NTSB SEA90LA127](https://openairdocs.org/ntsb/SEA90LA127.md): Cessna P210N · Renton, WA · Accident · Minor injuries · Limited investigation · Final report · Jul 11, 1990 · N4618K · Substantial damage
  > Loss of engine power due to fuel starvation. The cause of the accident was the pilot displayed poor inflight planning by not adequately following procedures or directives associated with fuel consumption.
- [NTSB NYC90LA157](https://openairdocs.org/ntsb/NYC90LA157.md): Piper PA-28-161 · Yarmouth, MA · Accident · No injuries · Limited investigation · Final report · Jul 11, 1990 · N83968 · Substantial damage
  > A power loss due to fuel starvation. Factors related to the accident were: improper emergency procedures by the pilot and an improperly reading fuel gauge.
- [NTSB CHI90FA174](https://openairdocs.org/ntsb/CHI90FA174.md): Piper PA-32R-301T · Ashton, IL · Accident · 2 fatal · Field investigation · Final report · Jul 11, 1990 · N43515 · Destroyed
  > A loss of aircraft control for an unknown reason, while en route in instrument meteorological conditions (IMC) on a dark night, and the pilot exceeding the design stress limits of the aircraft while attempting to recover from uncontrolled flight. Factors…
- [NTSB SEA90LA128](https://openairdocs.org/ntsb/SEA90LA128.md): Cessna 150C · Sutherlin, OR · Accident · No injuries · Limited investigation · Final report · Jul 9, 1990 · N1940Z · Substantial damage
  > Loss of engine power was due to fuel exhaustion. Because of inadequate fuel consumption calculations and poor preflight planning and preparation for the flight.
- [NTSB SEA90FA129](https://openairdocs.org/ntsb/SEA90FA129.md): Piper PA-32RT-300T · Prineville, OR · Accident · 1 fatal · Field investigation · Final report · Jul 9, 1990 · N30511 · Destroyed
  > The failure of the left intermediate exhaust pipe, in-flight engine fire and smoke in the cockpit, resulting in impairment of the pilot and his subsequent loss of control.
- [NTSB LAX90FA248](https://openairdocs.org/ntsb/LAX90FA248.md): McDonnell Douglas 369HS · Modesto, CA · Accident · Minor injuries · Field investigation · Final report · Jul 9, 1990 · N505WW · Destroyed
  > In-flight engine fire of undetermined origin.

Next page: https://openairdocs.org/ntsb-phases/400/cases.md?page=274

## 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=273

---
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