# 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 223 of 718 · 35,885 cases

## Cases, newest first

- [NTSB FTW95FA177](https://openairdocs.org/ntsb/FTW95FA177.md): Beech 60 · Cheyenne, WY · Accident · 1 fatal · Field investigation · Final report · Apr 21, 1995 · N711PS · Destroyed
  > The pilot's failure to maintain aircraft control. Factors were the instrument weather conditons and the excessive workload imposed on the solo pilot attempting to deal with an emergency situation while flying in instrument meteorological conditions.
- [NTSB FTW95LA176](https://openairdocs.org/ntsb/FTW95LA176.md): Mcdonnell Douglas MD-82 · Utopia, TX · Accident · Serious injuries · Limited investigation · Final report · Apr 20, 1995 · N83872 · No damage
  > Clear air turbulence encountered.
- [NTSB FTW95LA175](https://openairdocs.org/ntsb/FTW95LA175.md): Briggs Glasair III · Crescent, OK · Accident · No injuries · Limited investigation · Final report · Apr 19, 1995 · N55EE · Substantial damage
  > Total non-mechanical power loss due to a fuel system vapor lock. A factor was the uneven terrain on which the forced landing was made.
- [NTSB FTW95LA174](https://openairdocs.org/ntsb/FTW95LA174.md): Cessna T210L · Estancia, NM · Accident · Minor injuries · Limited investigation · Final report · Apr 19, 1995 · N1664X · Substantial damage
  > The loss of engine power due to exhaust valve separation resulting from inadequate maintenance. A factor was the dark night and the lack of suitable terrain for the forced landing.
- [NTSB CHI95LA130](https://openairdocs.org/ntsb/CHI95LA130.md): Brantly Helicopter B-2B · Winfield, KS · Accident · No injuries · Limited investigation · Final report · Apr 19, 1995 · N2198U · Substantial damage
  > The total failure of the rotor drive system clutch assembly due to excessive wear of the clutch assembly. A factor in this accident was the soft ground in the emergency landing area.
- [NTSB LAX95FA173](https://openairdocs.org/ntsb/LAX95FA173.md): Cessna 182P · Jerome, AZ · Accident · 4 fatal · Field investigation · Final report · Apr 18, 1995 · N85DK · Destroyed
  > the pilot's improper in-flight decision to continue the daytime flight into known adverse weather conditions at an inadequate altitude to clear mountainous terrain.
- [NTSB SEA95LA080](https://openairdocs.org/ntsb/SEA95LA080.md): Cessna 172L · Wheatland, WY · Accident · Minor injuries · Limited investigation · Final report · Apr 17, 1995 · N7011Q · Substantial damage
  > The pilot's continued flight into known adverse weather conditions. A factor in the accident was the airframe icing encountered during the flight.
- [NTSB LAX95LA163](https://openairdocs.org/ntsb/LAX95LA163.md): Cessna 172M · Yolo, CA · Accident · Minor injuries · Limited investigation · Final report · Apr 17, 1995 · N80187 · Substantial damage
  > the pilot's improper preflight preparation which led to fuel exhaustion.
- [NTSB SEA95IA082](https://openairdocs.org/ntsb/SEA95IA082.md): Fairchild SA-227 · Pasco, WA · Incident · No injuries · Incident investigation · Final report · Apr 16, 1995 · N385PH · Minor damage
  > Improper installation of the rudder trim actuator rod by company maintenance personnel which resulted in binding and fracture of the rod.
- [NTSB MIA95LA109](https://openairdocs.org/ntsb/MIA95LA109.md): Cessna 172H · Hattiesburg, MS · Accident · No injuries · Limited investigation · Final report · Apr 16, 1995 · N3835R · Substantial damage
  > The pilot-in-command's improper use of carburetor heat during descent, resulting in a total loss of engine power due to carburetor icing, and subsequent forced landing to unsuitable terrain.
- [NTSB ATL95LA085](https://openairdocs.org/ntsb/ATL95LA085.md): Cessna 150H · Bath, NC · Accident · No injuries · Limited investigation · Final report · Apr 16, 1995 · N7025S · Substantial damage
  > A bird, which collided with and fractured the aircraft windshield, resulting in an emergency landing. A factor was the soft terrain at the emergency landing site.
- [NTSB SEA95LA081](https://openairdocs.org/ntsb/SEA95LA081.md): Cessna 180D · Nyssa, OR · Accident · No injuries · Limited investigation · Final report · Apr 15, 1995 · N180WH · Substantial damage
  > Fuel exhaustion due to the pilot's failure to refuel en route.
- [NTSB MIA95LA108](https://openairdocs.org/ntsb/MIA95LA108.md): Cessna 172M · Panacea, FL · Accident · No injuries · Limited investigation · Final report · Apr 15, 1995 · N19901 · Substantial damage
  > The pilot's failure to attain the proper touchdown point during a forced landing to a runway. This resulted in the airplane rolling off the departure end of the runway, and subsequent on ground collision with a fence and a telephone booth. Contributing to the…
- [NTSB MIA95FA107](https://openairdocs.org/ntsb/MIA95FA107.md): Beech 55-E55 · Daytona Beach, FL · Accident · 2 fatal · Field investigation · Final report · Apr 15, 1995 · N577M · Destroyed
  > The failure of the pilot-in-command to manage the fuel available in flight by improperly selecting the fuel selectors to fuel available in other tanks, resulting in both engines losing power. Contributing to the accident was the lack of suitable terrain for…
- [NTSB ANC95FA044](https://openairdocs.org/ntsb/ANC95FA044.md): Cessna 180B · Cantwell, AK · Accident · 2 fatal · Field investigation · Final report · Apr 15, 1995 · N115F · Destroyed
  > The pilot's continued VFR flight into IMC conditions. Weather conditions consisting of low ceilings and turbulence were factors in the accident.
- [NTSB SEA95FA079](https://openairdocs.org/ntsb/SEA95FA079.md): Cessna 182P · Index, WA · Accident · 1 fatal · Field investigation · Final report · Apr 14, 1995 · N182AL · Destroyed
  > the pilot's continued flight into known adverse weather, and his improper use of carburetor heat. Factors include: weather conditions conducive to carburetor icing and airframe icing, airframe ice, and mountainous/hilly terrain in the area of the forced…
- [NTSB MIA95LA106](https://openairdocs.org/ntsb/MIA95LA106.md): Cessna 172 · Fort Lauderdale, FL · Accident · No injuries · Limited investigation · Final report · Apr 13, 1995 · N1520Y · Substantial damage
  > The inadequate preflight planning by the pilot-in-command to assure that adequate fuel was on-board the airplane to complete the flight, which resulted in a loss of engine power, forced landing and the collision with a tree on touchdown.
- [NTSB MIA95FA105](https://openairdocs.org/ntsb/MIA95FA105.md): Packard/Squire RV-4 · Davie, FL · Accident · 1 fatal · Field investigation · Final report · Apr 12, 1995 · N233AB · Destroyed
  > Engine fuel starvation due to the pilot's fuel mismanagement. A loss of control followed as the pilot inadvertently stalled the airplane while maneuvering for the forced landing.
- [NTSB CHI95FA124](https://openairdocs.org/ntsb/CHI95FA124.md): Beech 65-B80 · Great Bend, ND · Accident · 1 fatal · Field investigation · Final report · Apr 12, 1995 · N7057J · Destroyed
  > the pilot/mechanic's inadequate maintenance (inspection) of aircraft and the pilot's failure to maintain airspeed (VMC). Factors were icing conditions, deteriorated induction air ducting, and failure of a piston assembly.
- [NTSB CHI95FA121](https://openairdocs.org/ntsb/CHI95FA121.md): Cessna P-210N · Belle Plaine, MN · Accident · 3 fatal · Field investigation · Final report · Apr 12, 1995 · N4738A · Destroyed
  > the failure to replace the deteriorated deicing boots, and the failure of the boots to operate when the airplane encountered icing condition. An additional causes were the pilot's failure to maintain adequate airspeed and the excessive pullup performed by the…
- [NTSB ANC95GA048](https://openairdocs.org/ntsb/ANC95GA048.md): Cessna 182Q · Bumping Lake, WA · Accident · 1 fatal · Final report · Apr 12, 1995 · N97843 · Substantial damage
  > A loss of engine power for an undetermined reason. Factors relating to the accident were: lack of suitable terrain for a forced landing in mountains, low ambient temperatures that contributed to hypothermia, the lack of survival equipment, an erratic ELT…
- [NTSB FTW95LA164](https://openairdocs.org/ntsb/FTW95LA164.md): Cessna 152 · Marlin, TX · Accident · Minor injuries · Limited investigation · Final report · Apr 10, 1995 · N67570 · Substantial damage
  > Fuel exhaustion engine power loss due to the pilot's failure to refuel. Factors were the lack of suitable terrain available for the forced landing and the dark night condition.
- [NTSB LAX95FA157](https://openairdocs.org/ntsb/LAX95FA157.md): Piper PA-28R-180 · Pollack Pines, CA · Accident · 4 fatal · Field investigation · Final report · Apr 8, 1995 · N3904T · Destroyed
  > The pilot's disregard of a hazardous weather advisory; his decision to fly into known adverse weather conditions; his failure to maintain control of the airplane with an accumulation of airframe ice; and his improper use of the flight controls during recovery…
- [NTSB MIA95LA101](https://openairdocs.org/ntsb/MIA95LA101.md): Cessna 152 · Laurel, MS · Accident · No injuries · Limited investigation · Final report · Apr 7, 1995 · N714WW · Substantial damage
  > The failure of the pilot-in-command to refuel the aircraft resulting in loss of engine power due to fuel exhaustion.
- [NTSB BFO95LA044](https://openairdocs.org/ntsb/BFO95LA044.md): Cessna 152 · Finksburg, MD · Accident · Serious injuries · Limited investigation · Final report · Apr 6, 1995 · N93874 · Destroyed
  > loss of engine power for undetermined reasons. A related factor was the lack of suitable terrain.
- [NTSB FTW95LA153](https://openairdocs.org/ntsb/FTW95LA153.md): Mooney M20J · Tijeras, NM · Accident · No injuries · Limited investigation · Final report · Apr 3, 1995 · N4478H · Substantial damage
  > Fuel starvation due to foreign material partially blocking the fuel screen, and the pilot's failure to switch fuel tanks. A factor was the lack of suitable terrain for the forced landing.
- [NTSB FTW95IA156](https://openairdocs.org/ntsb/FTW95IA156.md): Boeing 727-276 · Dfw Airport, TX · Incident · Minor injuries · Incident investigation · Final report · Apr 3, 1995 · XASIJ · Minor damage
  > The improper use of the evacuation slide by the flight attendant. A factor was the short in the number 1 engine fire warning system, which motivated the captain to order an evacuation.
- [NTSB SEA95FA072](https://openairdocs.org/ntsb/SEA95FA072.md): Aeronca 7AC · Brush Prairie, WA · Accident · 1 fatal · Field investigation · Final report · Mar 31, 1995 · N85094 · Destroyed
  > Undetermined.
- [NTSB LAX95LA150](https://openairdocs.org/ntsb/LAX95LA150.md): Aeronca 7AC · El Cajon, CA · Accident · Serious injuries · Limited investigation · Final report · Mar 31, 1995 · N1937E · Substantial damage
  > a loss of engine power due to an in-flight separation of the fuel system gascolator glass bowl resulting in a premature fuel exhaustion. The rough/uneven terrain is a factor in this accident.
- [NTSB LAX95LA149](https://openairdocs.org/ntsb/LAX95LA149.md): Bulsky Skybolt · Goodyear, AZ · Accident · No injuries · Limited investigation · Final report · Mar 31, 1995 · N94BV · Destroyed
  > fuel starvation due to the partial failure of the fuel pump caused by the broken crankshaft idler gear attachment screw lockplate. The unsuitable terrain and trees were factors in this accident.
- [NTSB NYC95FA080](https://openairdocs.org/ntsb/NYC95FA080.md): Cessna 172P · Naples, NY · Accident · 1 fatal · Field investigation · Final report · Mar 30, 1995 · N96746 · Destroyed
  > The pilot's continued VFR flight into instrument meteorological conditions. Factors contributing to the accident were: the night conditions, fog, low ceiling, and hilly terrain.
- [NTSB FTW95FA150](https://openairdocs.org/ntsb/FTW95FA150.md): Cessna 177RG · Dalhart, TX · Accident · 1 fatal · Field investigation · Final report · Mar 30, 1995 · N35917 · Destroyed
  > The pilot's VFR flight into IMC conditions and the ensuing spatial disorientation. Factors were the pilot's self-induced pressure to reach his destination, his failure to obtain a weather briefing for the flight, and the weather conditions.
- [NTSB FTW95IA148](https://openairdocs.org/ntsb/FTW95IA148.md): Douglas DC-9-32 · Abilene, TX · Incident · 1 fatal · Incident investigation · Final report · Mar 29, 1995 · N5342L · No damage
  > Incapacitation of the first officer due to a heart attack.
- [NTSB CHI95LA111](https://openairdocs.org/ntsb/CHI95LA111.md): Baker Long EZE · Salina, KS · Accident · Minor injuries · Limited investigation · Final report · Mar 27, 1995 · N3223P · Substantial damage
  > failure of the engine driven fuel pump. Factors associated with the accident were fuel starvation, insufficient altitude and soft terrain.
- [NTSB LAX95FA144](https://openairdocs.org/ntsb/LAX95FA144.md): Cessna 310Q · Kahului, Maui, HI · Accident · 1 fatal · Field investigation · Final report · Mar 25, 1995 · N7705Q · Destroyed
  > the pilot's failure to maintain an adequate terrain clearance altitude while flying in a mountainous area at night.
- [NTSB FTW95LA146](https://openairdocs.org/ntsb/FTW95LA146.md): Hughes 369HS · Burnet, TX · Accident · No injuries · Limited investigation · Final report · Mar 25, 1995 · N3961H · Substantial damage
  > Failure by the pilot-in-command to maintain rotor RPM during the autorotation and his delayed flare. A factor was: the pilot's failure to use the fuel boost pump while using aviation gasoline vice jet fuel.
- [NTSB LAX95FA148](https://openairdocs.org/ntsb/LAX95FA148.md): Beech 35-C33 · Toms Place, CA · Accident · 3 fatal · Field investigation · Final report · Mar 24, 1995 · N15LT · Destroyed
  > the pilot's decisions to initially attempt and then continue flight into known forecast and observed adverse weather. Factors in the accident were: the pilot's inadequate preflight planning and his use of a drug.
- [NTSB FTW95LA139](https://openairdocs.org/ntsb/FTW95LA139.md): Piper PA-28R-201 · Devine, TX · Accident · No injuries · Limited investigation · Final report · Mar 18, 1995 · N47839 · Substantial damage
  > A power loss due to the inadvertent opening of an unapproved quick oil drain installed by maintenance personnel. A factor was the lack of suitable terrain for the forced landing.
- [NTSB MIA95FA087](https://openairdocs.org/ntsb/MIA95FA087.md): Cessna 337F · Vero Beach, FL · Accident · 2 fatal · Field investigation · Final report · Mar 17, 1995 · N1842M · Destroyed
  > The pilot's failure to avoid a thunderstorm. The thunderstorm was a factor.
- [NTSB NYC95LA075](https://openairdocs.org/ntsb/NYC95LA075.md): Cumberland-Pitts Special S1C · New Windsor, MD · Accident · No injuries · Limited investigation · Final report · Mar 16, 1995 · N4T · Substantial damage
  > the failure of the fuel pump diagram which resulted in fuel starvation and a subsequent forced landing.
- [NTSB ATL95LA062](https://openairdocs.org/ntsb/ATL95LA062.md): Boeing 727-200 · Alma, GA · Accident · Serious injuries · Limited investigation · Final report · Mar 16, 1995 · N295WA · No damage
  > The aircraft's encounter with unforecast clear air turbulence.
- [NTSB ATL95LA061](https://openairdocs.org/ntsb/ATL95LA061.md): Cessna 177B · Collegedale, TN · Accident · Serious injuries · Limited investigation · Final report · Mar 15, 1995 · N35138 · Destroyed
  > The mechanic's failure to follow approved engine overhaul procedures which resulted in the separation of the oil return line, and the complete loss of engine power.
- [NTSB SEA95LA066](https://openairdocs.org/ntsb/SEA95LA066.md): Piper PA-28-181 · Boise, ID · Accident · No injuries · Limited investigation · Final report · Mar 13, 1995 · N4359Y · Substantial damage
  > Fuel exhaustion due to the pilot's failure to refuel.
- [NTSB CHI95LA112](https://openairdocs.org/ntsb/CHI95LA112.md): Globe GC-1B · Norton, KS · Accident · Minor injuries · Limited investigation · Final report · Mar 13, 1995 · N78103 · Substantial damage
  > the reason for the loss of engine power was undetermined. The rough, uneven terrain encountered during the forced landing was a factor.
- [NTSB FTW95LA141](https://openairdocs.org/ntsb/FTW95LA141.md): Burken Ultimate · New Braunfels, TX · Accident · No injuries · Limited investigation · Final report · Mar 10, 1995 · N122MB · Substantial damage
  > The loss of engine power due to fuel starvation due to a fuel leak resulting from a loose fuel line fitting. A factor was the lack of suitable terrain for the forced landing.
- [NTSB ANC95LA037](https://openairdocs.org/ntsb/ANC95LA037.md): Piper J3 · Skwentna, AK · Accident · No injuries · Limited investigation · Final report · Mar 10, 1995 · N88415 · Substantial damage
  > A frozen engine breather tube which resulted in a loss of oil and engine power.
- [NTSB CHI95LA096](https://openairdocs.org/ntsb/CHI95LA096.md): Cessna T210N · Rockford, IL · Accident · No injuries · Limited investigation · Final report · Mar 7, 1995 · N6622N · Substantial damage
  > A disconnect of the alternator belt, and failure of the pilot to attain a down and locked condition of the gear with the emergency extension system.
- [NTSB SEA95LA061](https://openairdocs.org/ntsb/SEA95LA061.md): Piper PA-22-150 · Forks, WA · Accident · Minor injuries · Limited investigation · Final report · Mar 5, 1995 · N4778A · Substantial damage
  > The loss of power for undetermined reasons and the lack of suitable terrain for a successful forced landing.
- [NTSB LAX95LA127](https://openairdocs.org/ntsb/LAX95LA127.md): Boeing B75N1 · Gaviota, CA · Accident · No injuries · Limited investigation · Final report · Mar 5, 1995 · N450SR · Substantial damage
  > inadequate maintenance and service of the aircraft's carburetor heat system, and the pilot's intentional flight into adverse weather conditions. The lack of a suitable area for the emergency landing was a factor.
- [NTSB LAX95IA128](https://openairdocs.org/ntsb/LAX95IA128.md): ATR 42 · Las Vegas, NV · Incident · No injuries · Incident investigation · Final report · Mar 5, 1995 · N266AT · No damage
  > an unexpected lateral control movement associated with in-flight turbulence.

Next page: https://openairdocs.org/ntsb-phases/400/cases.md?page=224

## 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=223

---
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.