# 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 190 of 718 · 35,885 cases

## Cases, newest first

- [NTSB ANC98FA116](https://openairdocs.org/ntsb/ANC98FA116.md): Cessna A185F · Ketchikan, AK · Accident · 1 fatal · Field investigation · Final report · Aug 6, 1998 · N5314R · Destroyed
  > Fuel starvation and the pilot's improper fuel tank selection. Factors associated with the accident were the pilot's failure to follow the pre-takeoff checklist and trees.
- [NTSB LAX98LA258](https://openairdocs.org/ntsb/LAX98LA258.md): M. C. Thomas Stewart S-51 · Jackson, CA · Accident · No injuries · Limited investigation · Final report · Aug 5, 1998 · N151MT · Substantial damage
  > Failure of the propeller governor pulley drive shaft due to a modification made to the system by the owner that included welding a retaining pin to the center of the heat treated drive shaft, which compromised the shaft's design strength margin.
- [NTSB CHI98LA304](https://openairdocs.org/ntsb/CHI98LA304.md): Cessna 182M · Trenton, NE · Accident · Minor injuries · Limited investigation · Final report · Aug 5, 1998 · N514HP · Substantial damage
  > the pilot misjudged the forced landing approach and stalled the airplane while attempting to lengthen his glide on final approach and inadequate preflight planning that led to the loss of engine power due to fuel exhaustion.
- [NTSB ATL98LA102](https://openairdocs.org/ntsb/ATL98LA102.md): Piper PA-22 · New Bern, NC · Accident · No injuries · Limited investigation · Final report · Aug 5, 1998 · N1266C · Substantial damage
  > The failure of the inner cable of the carburetor heat cable assembly that prevented the application of carburetor heat. Factors were conditions favorable for the formation of carburetor ice.
- [NTSB LAX98LA256](https://openairdocs.org/ntsb/LAX98LA256.md): Bell 206B · Lucerne Valley, CA · Accident · No injuries · Limited investigation · Final report · Aug 4, 1998 · N5016G · Substantial damage
  > The failure of the mechanic who installed the engine to follow proper procedures by insuring the proper torque to the oil output line, resulting in a loose fitting, oil loss and subsequent bearing failure.
- [NTSB FTW98FA354](https://openairdocs.org/ntsb/FTW98FA354.md): Mooney M20J · Centennial, WY · Accident · 1 fatal · Field investigation · Final report · Aug 4, 1998 · N5698L · Destroyed
  > The pilot's disregard of information provided in weather briefs, and his flight into known adverse weather in mountainous terrain which resulted in an in-flight collision with a mountain. Factors were rain and low ceiling/visibility.
- [NTSB CHI98FA344](https://openairdocs.org/ntsb/CHI98FA344.md): Cessna A185F · Phillips, WI · Accident · 2 fatal · Field investigation · Final report · Aug 4, 1998 · N888KS · Destroyed
  > The pilot's failure to maintain adequate altitude/clearance with trees. Contributing factors were fog, rain showers, and the trees.
- [NTSB SEA98FA161](https://openairdocs.org/ntsb/SEA98FA161.md): Cessna 177 · Red Lodge, MT · Accident · 1 fatal · Field investigation · Final report · Aug 3, 1998 · N2213Y · Destroyed
  > The pilot's failure to maintain adequate altitude over, or clearance with, mountainous terrain during night visual flight rules flight. Factors included night lighting conditions and mountainous terrain.
- [NTSB CHI98LA298](https://openairdocs.org/ntsb/CHI98LA298.md): Piper PA28-R-200 · W. Frankfort, IN · Accident · No injuries · Limited investigation · Final report · Aug 3, 1998 · N4596T · Substantial damage
  > The failure of the fuel mixture control linkage, and inadequate inspections by maintenance personnel.
- [NTSB NYC98FA161](https://openairdocs.org/ntsb/NYC98FA161.md): Cessna 150M · Worthington, MA · Accident · 2 fatal · Field investigation · Final report · Aug 2, 1998 · N704ZY · Destroyed
  > The pilot's failure to maintain airspeed due to diverted attention.
- [NTSB CHI98FA287](https://openairdocs.org/ntsb/CHI98FA287.md): Navion A · Coloma, WI · Accident · 1 fatal · Field investigation · Final report · Aug 1, 1998 · N8991H · Destroyed
  > Failure of the pilot to maintain proper altitude, and his failure to maintain adequate visual lookout to see and avoid obstructions. The transmission wire was a contributing factor.
- [NTSB ANC98LA105](https://openairdocs.org/ntsb/ANC98LA105.md): Piper PA-28-140 · Cantwell, AK · Accident · 1 fatal · Limited investigation · Final report · Aug 1, 1998 · N2350T · Destroyed
  > The pilot's intentional continued VFR flight into IMC. Factors were the scattered to broken clouds, and the mountainous terrain.
- [NTSB SEA98LA154](https://openairdocs.org/ntsb/SEA98LA154.md): Cessna 172 · Baker City, OR · Accident · 1 fatal · Limited investigation · Final report · Jul 31, 1998 · N835T · Substantial damage
  > The pilot's failure to maintain terrain clearance and inadequate in-flight planning/decision. Contributing to the accident was mountain obscuration.
- [NTSB SEA98TA152](https://openairdocs.org/ntsb/SEA98TA152.md): Cessna TU206G · Burns, OR · Accident · Minor injuries · Final report · Jul 29, 1998 · N756YC · Substantial damage
  > Fatigue failure of the crankshaft.
- [NTSB LAX98LA247](https://openairdocs.org/ntsb/LAX98LA247.md): Cessna 150K · Yorba Linda, CA · Accident · No injuries · Limited investigation · Final report · Jul 29, 1998 · N6377G · Substantial damage
  > An oil starvation failure of the engine due to the mechanic's inadequate maintenance installation and quality control procedures, which resulted in a shop rag being inadvertently left inside the accessory case when the starter was changed 7 hours prior to the…
- [NTSB CHI98LA283](https://openairdocs.org/ntsb/CHI98LA283.md): Aero Commander 685 · Middleton, WI · Accident · No injuries · Limited investigation · Final report · Jul 29, 1998 · N414C · Substantial damage
  > The fuel starvation of the aircraft in addition to the improper aircraft preflight and premature gear extension by the pilot-in-command. The blocked fuel vent system is a contributing factor.
- [NTSB LAX98LA252](https://openairdocs.org/ntsb/LAX98LA252.md): Cessna 182 · California City, CA · Accident · No injuries · Limited investigation · Final report · Jul 28, 1998 · N6493A · Substantial damage
  > The pilot's failure to assure that an adequate supply of fuel was available for the flight and his inadequate preflight planning/preparation.
- [NTSB FTW99LA025](https://openairdocs.org/ntsb/FTW99LA025.md): Mooney M20C · Vernon, TX · Accident · No injuries · Limited investigation · Final report · Jul 27, 1998 · N9744M · Substantial damage
  > Fatigue cracking of the propeller blade which originated from corrosion pitting on its camber side, resulting in the blade tip separation during cruise flight.
- [NTSB FTW98LA335](https://openairdocs.org/ntsb/FTW98LA335.md): Cessna 172M · Franktown, CO · Accident · No injuries · Limited investigation · Final report · Jul 27, 1998 · N5147N · Substantial damage
  > Flight at an altitude insufficient to clear terrain. Factors were the pilot's failure to reset or correct a precessing directional gyro, his becoming lost/disoriented, and dark night light conditions.
- [NTSB CHI98LA279](https://openairdocs.org/ntsb/CHI98LA279.md): Piper PA-22 · Muskegon, MI · Accident · No injuries · Limited investigation · Final report · Jul 27, 1998 · N875A · Substantial damage
  > A loss of engine power due to a broken number 4 cylinder connecting rod for undetermined reasons. Contributing to this accident was the road embankment.
- [NTSB CHI98LA278](https://openairdocs.org/ntsb/CHI98LA278.md): Stinson 108-1 · Bloomington, IN · Accident · Serious injuries · Limited investigation · Final report · Jul 27, 1998 · N483C · Destroyed
  > A loss of engine power due to a fractured number 5 and number 6 cylinder connecting rods for undetermined reasons.
- [NTSB MIA98LA211](https://openairdocs.org/ntsb/MIA98LA211.md): Piper PA-25-235 · Panama City Bch, FL · Accident · Serious injuries · Limited investigation · Final report · Jul 26, 1998 · N8807L · Substantial damage
  > The pilot's inadequate inflight planning, which resulted in fuel exhaustion and the loss of engine power.
- [NTSB LAX98LA244](https://openairdocs.org/ntsb/LAX98LA244.md): Bellanca BL-17 · Winnemucca, NV · Accident · Minor injuries · Limited investigation · Final report · Jul 26, 1998 · N14692 · Substantial damage
  > Loss of engine power due to a missing cotter key and jam nut, the use of an improper nonapproved part by other maintenance personnel, and failure to safety the installation which subsequently lead to a throttle/carburetor linkage disconnect.
- [NTSB IAD98LA084](https://openairdocs.org/ntsb/IAD98LA084.md): Beech BE24 · Beckley, WV · Accident · Minor injuries · Limited investigation · Final report · Jul 26, 1998 · N9711L · Substantial damage
  > The pilot's mismanagement of the fuel supply in that the fuel selector was selected to the improper fuel tank, which resulted in fuel starvation and the loss of engine power.
- [NTSB FTW98FA339](https://openairdocs.org/ntsb/FTW98FA339.md): Beech H35 · La Veta, CO · Accident · 2 fatal · Field investigation · Final report · Jul 26, 1998 · N35DE · Destroyed
  > The pilot's poor judgment by intentionally flying into instrument meteorological conditions without proper certification. Factors were his failure to obtain a weather briefing, and the existing weather conditions that included clouds, rain, and obscuration.
- [NTSB CHI98LA281](https://openairdocs.org/ntsb/CHI98LA281.md): Luckey Dragonfly II · Caro, MI · Accident · No injuries · Limited investigation · Final report · Jul 26, 1998 · N14U · Substantial damage
  > an improper inflight decision when he mistook the road for the runway of the nearby airport to land on. A factor in this accident was the total failure of the engine's crankshaft.
- [NTSB CHI98FA274](https://openairdocs.org/ntsb/CHI98FA274.md): Cessna 172M · Brooklyn, MI · Accident · 1 fatal · Field investigation · Final report · Jul 26, 1998 · N1461V · Substantial damage
  > The proper touchdown point was not attained and the visual lookout not being maintained by the pilot-in-command. Contributing factors to the accident were the unmarked static and transmission wires.
- [NTSB FTW98LA331](https://openairdocs.org/ntsb/FTW98LA331.md): Cessna TU206G · Midvale, UT · Accident · No injuries · Limited investigation · Final report · Jul 25, 1998 · N102AK · Substantial damage
  > The pilot's inadequate fuel management which resulted in fuel exhaustion and subsequent loss of engine power.
- [NTSB NYC98LA152](https://openairdocs.org/ntsb/NYC98LA152.md): Piper PA-28-151 · Newport, NH · Accident · Minor injuries · Limited investigation · Final report · Jul 24, 1998 · N44438 · Destroyed
  > The seizure of the throttle shaft, due to the overhaul facilities' failure to insure all metal fragments had been removed from the carburetor before inserting the throttle shaft after reaming the throttle shaft bushings.
- [NTSB CHI98LA273](https://openairdocs.org/ntsb/CHI98LA273.md): Champion 7GCBC · Clearwater, MN · Accident · Minor injuries · Limited investigation · Final report · Jul 23, 1998 · N21262 · Destroyed
  > The inadequate visual lookout by the pilot-in-command. The unmarked transmission wire was a contributing factor.
- [NTSB SEA98LA169](https://openairdocs.org/ntsb/SEA98LA169.md): Wiles S1-C · Yelm, WA · Accident · No injuries · Limited investigation · Final report · Jul 22, 1998 · N43JW · Substantial damage
  > Fuel exhaustion due to overflying an intermediate fuel stop. Factors include high grass in the forced landing area.
- [NTSB CHI98LA269](https://openairdocs.org/ntsb/CHI98LA269.md): Boeing 767-223 · Peotone, IL · Accident · Serious injuries · Limited investigation · Final report · Jul 22, 1998 · N335AA · No damage
  > In-flight encounter with turbulence.
- [NTSB CHI98LA267](https://openairdocs.org/ntsb/CHI98LA267.md): Cessna 150M · Litchfield, IL · Accident · No injuries · Limited investigation · Final report · Jul 21, 1998 · N9251U · Substantial damage
  > Loss of engine power due to an open exhaust valve and low cylinder compression. A related factor was the tailwind.
- [NTSB CHI98LA264](https://openairdocs.org/ntsb/CHI98LA264.md): Grumman G-164 · Hoxie, KS · Accident · Minor injuries · Limited investigation · Final report · Jul 21, 1998 · N698Y · Substantial damage
  > the total failure of the engine's left magneto.
- [NTSB FTW98LA322](https://openairdocs.org/ntsb/FTW98LA322.md): Piper PA-28-181 · Fairview, OK · Accident · Minor injuries · Limited investigation · Final report · Jul 20, 1998 · N626BP · Substantial damage
  > Loss of engine power due to fuel exhaustion as a result of the pilot's failure to refuel. A factor was the lack of suitable terrain for the forced landing.
- [NTSB LAX98LA237](https://openairdocs.org/ntsb/LAX98LA237.md): De Malignon Varieze · Globe, AZ · Accident · 1 fatal · Limited investigation · Final report · Jul 19, 1998 · N77AX · Destroyed
  > fuel starvation due to the pilot's failure to properly plan his flight with regard to his estimated flight time, planned descent(s), and the amount of usable fuel available and required in the fuselage tank. The pilot/builder's deviation from the aircraft…
- [NTSB FTW98FA319](https://openairdocs.org/ntsb/FTW98FA319.md): Cessna T-310P · Colorado Sprngs, CO · Accident · Minor injuries · Field investigation · Final report · Jul 19, 1998 · N5833M · Destroyed
  > The separation of a portion of the right engine exhaust stack, and the ensuing fuel fire in the right engine nacelle.
- [NTSB ANC98LA103](https://openairdocs.org/ntsb/ANC98LA103.md): Cessna 206 · Palmer, AK · Accident · No injuries · Limited investigation · Final report · Jul 19, 1998 · N7370N · Substantial damage
  > The pilot's inadequate compensation for wind conditions, and inadequate clearance from mountainous terrain. Factors were the downslope winds and downdrafts.
- [NTSB NYC98LA145](https://openairdocs.org/ntsb/NYC98LA145.md): Cessna 172K · Chateaugay, NY · Accident · Serious injuries · Limited investigation · Final report · Jul 18, 1998 · N155AA · Destroyed
  > Binding in the control yoke for undetermined reasons.
- [NTSB LAX98FA236](https://openairdocs.org/ntsb/LAX98FA236.md): Sikorsky CH-54A · Yucca Valley, CA · Accident · 3 fatal · Field investigation · Final report · Jul 18, 1998 · N64KL · Destroyed
  > An in-flight main rotor blade spar separation as a result of the pilot-in-command's decision to continue to fly the aircraft after it had failed an AD directed BIM check. Factors were the failure of the operator's chief pilot to maintain proper supervision…
- [NTSB CHI98LA263](https://openairdocs.org/ntsb/CHI98LA263.md): Cessna 150H · Frankfort, IN · Accident · No injuries · Limited investigation · Final report · Jul 18, 1998 · N22047 · Substantial damage
  > the improper maintenance installation by other maintenance personnel. Factors were a missing lubricating oil drain plug, the safety wire for the plug and the roadway.
- [NTSB MIA98LA198](https://openairdocs.org/ntsb/MIA98LA198.md): Velocity Standard RG · Sebastian, FL · Accident · Serious injuries · Limited investigation · Final report · Jul 17, 1998 · N96HV · Substantial damage
  > A loss of power control due to a disconnected throttle linkage. Also causal was the inadequate maintenance by the owner/builder.
- [NTSB ANC98LA099](https://openairdocs.org/ntsb/ANC98LA099.md): Cessna 207 · King Salmon, AK · Accident · Minor injuries · Limited investigation · Final report · Jul 17, 1998 · N1763U · Substantial damage
  > The disconnection of the mixture control cable from the mixture control arm. Factors associated with this accident were the inadequate 100 hour inspections performed by company mechanics.
- [NTSB SEA98LA138](https://openairdocs.org/ntsb/SEA98LA138.md): Rockwell S-2R · Burley, ID · Accident · 2 fatal · Limited investigation · Final report · Jul 16, 1998 · N5036X · 2 aircraft · Substantial damage
  > A failure of both pilots to see and avoid each other's aircraft due to inadequate visual lookout.
- [NTSB NYC98FAMS2](https://openairdocs.org/ntsb/NYC98FAMS2.md): Nauer Lancair 4P · Atlantic Ocean (Atlantic Ocean) · Accident · 2 fatal · Missing aircraft · Final report · Jul 15, 1998 · N88PP · Destroyed
  > Undetermined.
- [NTSB MIA98LA197](https://openairdocs.org/ntsb/MIA98LA197.md): Texas Helicopter OH-13H/M47A · Citronelle, AL · Accident · No injuries · Limited investigation · Final report · Jul 15, 1998 · N1001F · Substantial damage
  > The pilot's failure to control the helicopter's altitude while overflying an area of rising terrain and trees.
- [NTSB ANC98LA098](https://openairdocs.org/ntsb/ANC98LA098.md): Cessna 185E · Mcgrath, AK · Accident · No injuries · Limited investigation · Final report · Jul 15, 1998 · N2750J · Substantial damage
  > The loss of engine power for a undetermined reasons. A contributing factor was the trees.
- [NTSB SEA98LA135](https://openairdocs.org/ntsb/SEA98LA135.md): Cessna 152 · Miltonfreewater, OR · Accident · No injuries · Limited investigation · Final report · Jul 14, 1998 · N24823 · Substantial damage
  > The pilots failure to maintain proper terrain clearance. Factors contributing to the accident are high density altitude and rising terrain.
- [NTSB FTW98LA326](https://openairdocs.org/ntsb/FTW98LA326.md): Rolladen-Schneider LS 4A · Salina, UT · Accident · No injuries · Limited investigation · Final report · Jul 14, 1998 · N41MN · Substantial damage
  > The pilot's selection of unsuitable terrain to conduct a landing. Contributing was the loss of thermal lift and high vegetation.
- [NTSB CHI98LA253](https://openairdocs.org/ntsb/CHI98LA253.md): Cameron A105 · Howell, MI · Accident · Serious injuries · Limited investigation · Final report · Jul 14, 1998 · N1601A · No damage
  > The pilot's failure to visually recognize hazards associated with meteorological phenomenon. A contributing factor was the weather condtion.

Next page: https://openairdocs.org/ntsb-phases/400/cases.md?page=191

## 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=190

---
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.