# NTSB investigations: Approach

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 65 of 420 · 20,992 cases

## Cases, newest first

- [NTSB SEA08CA177](https://openairdocs.org/ntsb/SEA08CA177.md): Anglin RV-6 · Puyallup, WA · Accident · Minor injuries · Data collection · Final report · Aug 12, 2008 · N14JA · Substantial damage
  > The complete loss of engine power for undetermined reasons. Contributing to the accident were hidden obstructions (tree stumps) in the field of long grass within which the pilot executed his forced landing.
- [NTSB MIA08FA163](https://openairdocs.org/ntsb/MIA08FA163.md): Beech G35 · South Easton, MA · Accident · 3 fatal · Field investigation · Final report · Aug 12, 2008 · N4615D · Destroyed
  > The pilot's failure to maintain control of the airplane while attempting to execute an instrument approach in instrument meteorological conditions. Contributing to the accident was the pilot's lack of instrument currency.
- [NTSB NYC08CA278](https://openairdocs.org/ntsb/NYC08CA278.md): Piper PA-28-235 · Dresden, TN · Accident · No injuries · Data collection · Final report · Aug 9, 2008 · N9365W · Substantial damage
  > The pilot's failure to maintain the proper altitude/clearance while on final approach.
- [NTSB LAX08LA263](https://openairdocs.org/ntsb/LAX08LA263.md): Smith Stewart S51D · Oxnard, CA · Accident · Serious injuries · Limited investigation · Final report · Aug 9, 2008 · N51VS · Substantial damage
  > The loss of engine power for an undetermined reason.
- [NTSB CHI08CA242](https://openairdocs.org/ntsb/CHI08CA242.md): Schweizer G-164A · Jefferson, IA · Accident · No injuries · Data collection · Final report · Aug 8, 2008 · N73PB · Substantial damage
  > The loss of engine power for an undetermined reason and the unsuitable terrain encountered during the forced landing. The corn crop was a factor.
- [NTSB DEN08CA133](https://openairdocs.org/ntsb/DEN08CA133.md): Beech C23 · Augusta, KS · Accident · No injuries · Data collection · Final report · Aug 6, 2008 · N24598 · Substantial damage
  > The student pilot's failure to maintain control of the airplane. Contributing to the accident were the flight instructor's inadequate supervision, turbulence, airspeed was not maintained, and compensation for the wind conditions was inadequate.
- [NTSB DFW08CA203](https://openairdocs.org/ntsb/DFW08CA203.md): Collard Dragonfly · Big Sping, TX · Accident · Serious injuries · Data collection · Final report · Aug 4, 2008 · N793TW · Substantial damage
  > Loss of aircraft control due to inadvertent penetration of a dust devil.
- [NTSB NYC08CA268](https://openairdocs.org/ntsb/NYC08CA268.md): Cessna 182L · Westerly, RI · Accident · Minor injuries · Data collection · Final report · Aug 2, 2008 · N42366 · Substantial damage
  > A loss of power due to a partial blockage of the air induction system.
- [NTSB MIA08CA157](https://openairdocs.org/ntsb/MIA08CA157.md): Cessna 172 · Wingate, NC · Accident · No injuries · Data collection · Final report · Aug 2, 2008 · N6026A · Substantial damage
  > The student pilot's failure to maintain control of the airplane during a go-around.
- [NTSB ANC08LA095](https://openairdocs.org/ntsb/ANC08LA095.md): Cessna T210 · Ketchikan, AK · Accident · Minor injuries · Limited investigation · Final report · Aug 2, 2008 · N59214 · Substantial damage
  > The pilot's failure to ensure that there was sufficient fuel on board the airplane for the planned flight, and his inadequate flight planning and navigation, which resulted in fuel exhaustion and ditching short of the planned destination. Contributing to the…
- [NTSB MIA08LA156](https://openairdocs.org/ntsb/MIA08LA156.md): Diamond DA-20-C1 · Peachtree City, GA · Accident · Minor injuries · Limited investigation · Final report · Aug 1, 2008 · N227RD · Substantial damage
  > A partial loss of engine power for undetermined reasons.
- [NTSB CHI08FA224](https://openairdocs.org/ntsb/CHI08FA224.md): Moser Georg Lancair Legacy FG · Oshkosh, WI · Accident · 2 fatal · Field investigation · Final report · Jul 31, 2008 · N515RB · Substantial damage
  > The pilot's failure to maintain adequate airspeed during approach, which resulted in an aerodynamic stall and subsequent loss of control.
- [NTSB DEN08IA130](https://openairdocs.org/ntsb/DEN08IA130.md): Raytheon Cobra · Colorado Springs, CO · Incident · No injuries · Incident investigation · Final report · Jul 28, 2008 · N601RN · Substantial damage
  > The flight team's failure to program the UAS with flight-tested parameters that could tolerate the high density altitude and tailwind conditions encounted during the flight, which resulted in two undershoot approaches, and the existence of an undiscovered…
- [NTSB CHI08LA216](https://openairdocs.org/ntsb/CHI08LA216.md): Cirrus Design SR22 · Watertown, WI · Accident · Serious injuries · Limited investigation · Final report · Jul 26, 2008 · N620SR · Destroyed
  > The pilot's failure to maintain adequate airspeed during the go-around, resulting in an aerodynamic stall. Contributing to the accident was the pilot's delayed recovery from the bounced landing.
- [NTSB DEN08LA128](https://openairdocs.org/ntsb/DEN08LA128.md): Beech 35-C33A · Longmont, CO · Accident · No injuries · Limited investigation · Final report · Jul 23, 2008 · N7965M · Substantial damage
  > A total loss of engine power for reasons undetermined. Contributing to the accident was the unsuitable terrain on which to make a forced landing.
- [NTSB OPS08IA011](https://openairdocs.org/ntsb/OPS08IA011.md): Learjet 60 · Chicago, IL · Incident · No injuries · Incident investigation · Final report · Jul 21, 2008 · N252RP · 2 aircraft · No damage
  > The LC-10 controller's failure to ensure the appropriate separation between two airplanes operating on runways where flight paths intersect.
- [NTSB CHI08FA196](https://openairdocs.org/ntsb/CHI08FA196.md): Czech Aircraft Works Sport Cruiser · Newark, IL · Accident · 1 fatal · Field investigation · Final report · Jul 21, 2008 · N602CF · Substantial damage
  > The pilot's failure to maintain control of the airplane in the landing pattern. Contributing to the severity of injuries was the failure of the pilot's shoulder harness.
- [NTSB LAX08LA231](https://openairdocs.org/ntsb/LAX08LA231.md): Nichols Rans S-14 · Benson, AZ · Accident · 1 fatal · Limited investigation · Final report · Jul 18, 2008 · N923GN · Substantial damage
  > The pilot’s failure to maintain an adequate airspeed while maneuvering for landing, which resulted in an aerodynamic stall and subsequent loss of control. Contributing to the accident was the pilot's impairment from recent marijuana use.
- [NTSB MIA08CA143](https://openairdocs.org/ntsb/MIA08CA143.md): Cessna TR182 · Factoryville, PA · Accident · No injuries · Data collection · Final report · Jul 16, 2008 · N739AZ · Substantial damage
  > The pilot's diverted attention while on final approach and his delay in performing a go-around during the landing roll. Contributing to the accident were sun glare and excessive airspeed.
- [NTSB MIA08FA141](https://openairdocs.org/ntsb/MIA08FA141.md): Socata TBM700 · Kennesaw, GA · Accident · 1 fatal · Field investigation · Final report · Jul 15, 2008 · N484RJ · Substantial damage
  > The pilot’s failure to maintain airspeed during final approach resulting in an aerodynamic stall.
- [NTSB DFW08CA183](https://openairdocs.org/ntsb/DFW08CA183.md): Grumman American AA-5A · Denton, TX · Accident · No injuries · Data collection · Final report · Jul 11, 2008 · N9678U · Substantial damage
  > The pilot's inadequate fuel management, which resulted in fuel starvation and the subsequent loss of engine power.
- [NTSB LAX08CA224](https://openairdocs.org/ntsb/LAX08CA224.md): Piper PA-18A-150 · Camarillo, CA · Accident · No injuries · Data collection · Final report · Jul 10, 2008 · N7471D · Substantial damage
  > The pilot's inadequate fuel management, which resulted in a total loss of engine power due to fuel starvation.
- [NTSB DFW08CA180](https://openairdocs.org/ntsb/DFW08CA180.md): Mooney M20 · Rogers, AR · Accident · Minor injuries · Data collection · Final report · Jul 9, 2008 · N7072V · Substantial damage
  > The loss of engine power due to fuel exhaustion as a result of the pilot's inadequate in-flight planning/decision.
- [NTSB NYC08FA242](https://openairdocs.org/ntsb/NYC08FA242.md): Beech V35B · Lancaster, PA · Accident · Minor injuries · Field investigation · Final report · Jul 8, 2008 · N9438Q · Substantial damage
  > A complete loss of engine power for undetermined reasons.
- [NTSB LAX08CA219](https://openairdocs.org/ntsb/LAX08CA219.md): Tallent, Chris M. Putts Special · Sumter, SC · Accident · No injuries · Data collection · Final report · Jul 7, 2008 · N1959C · Substantial damage
  > the pilot's failure to maintain the proper glideslope and clearance from obstacles. Contributing to the accident was the pilot's limited experience in the airplane type.
- [NTSB OPS08IA008](https://openairdocs.org/ntsb/OPS08IA008.md): Boeing 737-300 · New York, NY · Incident · No injuries · Incident investigation · Final report · Jul 6, 2008 · VP-CKW · 2 aircraft · No damage
  > The probable cause of this incident was JFK air traffic control tower non-compliance with FAA separation requirements for operations on non-intersecting runways where flight paths intersect, and poor judgment by the LC2 controller in clearing LAN533 for…
- [NTSB LAX08CA214](https://openairdocs.org/ntsb/LAX08CA214.md): Cessna 172F · Pomona, CA · Accident · No injuries · Data collection · Final report · Jul 6, 2008 · N8881U · Substantial damage
  > Fuel exhaustion due to the pilot's inadequate preflight planning and his failure to refuel the airplane.
- [NTSB DEN08LA118](https://openairdocs.org/ntsb/DEN08LA118.md): Mooney M20M · Elbert, CO · Accident · No injuries · Limited investigation · Final report · Jul 4, 2008 · N17RA · Substantial damage
  > The pilot's failure to maintain aircraft control during a go-around, resulting in an aerodynamic stall. Contributing to the accident was the high density altitude.
- [NTSB CHI08CA175](https://openairdocs.org/ntsb/CHI08CA175.md): Beech A36 · Dwight, IL · Accident · No injuries · Data collection · Final report · Jul 1, 2008 · N6051M · Substantial damage
  > The loss of engine power for undetermined reasons. Contributing to the accident was the highway signpost that the airplane impacted during the landing rollout.
- [NTSB CHI08CA174](https://openairdocs.org/ntsb/CHI08CA174.md): Piper PA-28-180 · Greenwood, IL · Accident · No injuries · Data collection · Final report · Jun 30, 2008 · N4433T · Substantial damage
  > The student pilot's inadequate compensation for the gusting crosswind, and the flight instructor's delayed remedial actions that resulted in a loss of control during the go-around maneuver. Contributing to the accident was the gusting wind condition.
- [NTSB DEN08MA116](https://openairdocs.org/ntsb/DEN08MA116.md): Bell 407 · Flagstaff, AZ · Accident · 7 fatal · Major investigation · Final report · Jun 29, 2008 · N407GA · 2 aircraft · Destroyed
  > Both helicopter pilots’ failure to see and avoid the other helicopter on approach to the helipad. Contributing to the accident were the failure of N407GA’s pilot to follow flight arrival route guidelines, and the failure of N407MJ’s pilot to follow…
- [NTSB CHI08CA173](https://openairdocs.org/ntsb/CHI08CA173.md): Beech A23A · Sheboygan, WI · Accident · Minor injuries · Data collection · Final report · Jun 29, 2008 · N701DW · Substantial damage
  > The pilot's improper fuel management that led to fuel starvation and the loss of engine power. Contributing to the accident was the drainage ditch.
- [NTSB MIA08LA131](https://openairdocs.org/ntsb/MIA08LA131.md): AMS Flight APIS-M · Modena, NY · Accident · 1 fatal · Limited investigation · Final report · Jun 28, 2008 · N1870R · Substantial damage
  > The pilot's improper use of wing spoilers on final approach and his misjudged distance/altitude resulting in the glider colliding with trees short of the runway.
- [NTSB LAX08LA198](https://openairdocs.org/ntsb/LAX08LA198.md): Eurocopter AS 350 B3 · Ash Fork, AZ · Accident · Serious injuries · Limited investigation · Final report · Jun 27, 2008 · N586AE · Substantial damage
  > The pilot's spatial disorientation resulting in his failure to detect and compensate for an unintentional descent during a go-around. Contributing to the accident were the pilot's inadequate choice of landing approach, reduced visibility from brownout…
- [NTSB LAX08CA189](https://openairdocs.org/ntsb/LAX08CA189.md): Cirrus Design SR22 · Laramie, WY · Accident · No injuries · Data collection · Final report · Jun 24, 2008 · N877CM · Substantial damage
  > The pilot's failure to attain and maintain an adequate airspeed during a go around, that resulted in a stall/mush. Contributing to the accident was the tailwind condition.
- [NTSB ANC08LA078](https://openairdocs.org/ntsb/ANC08LA078.md): Piper PA-18-150 · Iliamna, AK · Accident · No injuries · Limited investigation · Final report · Jun 24, 2008 · N3236P · Substantial damage
  > A loss of engine power for an undetermined reason during an approach for landing, which resulted in a forced landing and collision with terrain.
- [NTSB DEN08LA108](https://openairdocs.org/ntsb/DEN08LA108.md): Mercer Avid Flyer Mk IV · Augusta, KS · Accident · No injuries · Limited investigation · Final report · Jun 21, 2008 · N6880L · Substantial damage
  > Failure of the engine cooling system's thermostat, causing the engine to overheat and seize. Contributing to the accident was the fence.
- [NTSB MIA08CA126](https://openairdocs.org/ntsb/MIA08CA126.md): Taylorcraft F19 · Montgomery, AL · Accident · Minor injuries · Data collection · Final report · Jun 20, 2008 · N3681T · Substantial damage
  > The pilot's improper loading of personal belongings which resulted in rudder pedal interference.
- [NTSB DEN08LA113](https://openairdocs.org/ntsb/DEN08LA113.md): Southern Powered Parachutes Condor · Brookfield, MO · Accident · Serious injuries · Limited investigation · Final report · Jun 20, 2008 · N3150U · Substantial damage
  > the pilot's failure to maintain aircraft control while maneuvering. Contributing to the accident was the pilot's lack of familiarity and experience in the accident aircraft.
- [NTSB SEA08CA154](https://openairdocs.org/ntsb/SEA08CA154.md): Uetz, Walter Spitfire II · Kamiah, ID · Accident · Minor injuries · Data collection · Final report · Jun 19, 2008 · N7530L · Substantial damage
  > The total loss of engine power for undetermined reasons, and the pilot's failure maintain the proper descent rate during the last part of his approach to a forced landing in an open hayfield.
- [NTSB SEA08CA151](https://openairdocs.org/ntsb/SEA08CA151.md): Cessna T182T · Point Roberts, WA · Accident · No injuries · Data collection · Final report · Jun 17, 2008 · N2413M · Substantial damage
  > The pilot's failure to maintain clearance from trees during a go-around. Contributing to the accident were the pilot inadvertently allowing the airplane to porpoise during the landing flare, and the presence of a tailwind.
- [NTSB LAX08CA185](https://openairdocs.org/ntsb/LAX08CA185.md): Robinson R-22 Beta · Philomath, OR · Accident · Minor injuries · Data collection · Final report · Jun 17, 2008 · N4000Y · Substantial damage
  > The student pilot's failure to maintain rotor rpm during a pinnacle approach and the flight instructor's delayed remedial action and inadequate supervision of the flight. Contributing to the accident was the downdraft weather condition.
- [NTSB LAX08LA181](https://openairdocs.org/ntsb/LAX08LA181.md): Airborne Edge · Dunn, NC · Accident · 1 fatal · Limited investigation · Final report · Jun 14, 2008 · N9393S · Substantial damage
  > The student pilot's failure to maintain control of the airplane during a go-around.
- [NTSB CHI08CA165](https://openairdocs.org/ntsb/CHI08CA165.md): Fetherolf CH-701 · Newton Falls, OH · Accident · No injuries · Data collection · Final report · Jun 14, 2008 · N813DJ · Substantial damage
  > The loss of engine power during the landing approach due to fuel starvation resulting from an obstructed fuel tank vent. Factors contributing to the accident were the lack of suitable terrain for a forced landing, and the airplane's low altitude at the time…
- [NTSB NYC08FA211](https://openairdocs.org/ntsb/NYC08FA211.md): Avid Mark IV Aerobat · Niceville, FL · Accident · Serious injuries · Field investigation · Final report · Jun 9, 2008 · N652DM · Substantial damage
  > The pilot's loss of control during landing for undetermined reasons.
- [NTSB CHI08FA156](https://openairdocs.org/ntsb/CHI08FA156.md): Cessna U206C · Fremont, OH · Accident · 6 fatal · Field investigation · Final report · Jun 8, 2008 · N29122 · Substantial damage
  > The pilot’s failure to maintain airplane control for an undetermined reason, which resulted in an inadvertent stall. Contributing to the accident was the pilot's poor judgment in continuing to fly with his severe visual deficiency. Also contributing to the…
- [NTSB MIA08FA115](https://openairdocs.org/ntsb/MIA08FA115.md): Cessna T206H · Cedar Key, FL · Accident · 3 fatal · Field investigation · Final report · Jun 7, 2008 · N206GG · Substantial damage
  > The pilot’s failure to maintain clearance from the water during a dark night approach to a coastal airport.
- [NTSB DFW08LA161](https://openairdocs.org/ntsb/DFW08LA161.md): Cessna 150M · Forrest City, AR · Accident · 1 fatal · Limited investigation · Final report · Jun 7, 2008 · N3266V · Substantial damage
  > The failure of the pilot to maintain adequate airspeed while maneuvering in the traffic pattern, resulting in an inadvertent aerodynamic stall.
- [NTSB CHI08IA152](https://openairdocs.org/ntsb/CHI08IA152.md): Eclipse EA500 · Chicago, IL · Incident · No injuries · Incident investigation · Final report · Jun 5, 2008 · N612KB · No damage
  > The airplane manufacturer's inadequate software design requirements of the engine's full authority digital electronic controls (FADEC) fault logic that resulted in a simultaneous unrecoverable loss of thrust control on both engines when the FADEC's input data…
- [NTSB LAX08LA161](https://openairdocs.org/ntsb/LAX08LA161.md): Davison Vari Eze · Arlington, WA · Accident · Minor injuries · Limited investigation · Final report · Jun 2, 2008 · N644VZ · Substantial damage
  > A loss of engine power for undetermined reasons.

Next page: https://openairdocs.org/ntsb-phases/500/cases.md?page=66

## 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 = 500)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-phases/500/cases?page=65

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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.