# 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 112 of 420 · 20,992 cases

## Cases, newest first

- [NTSB CHI98LA289](https://openairdocs.org/ntsb/CHI98LA289.md): Piper PA-28-140 · Laporte, IN · Accident · No injuries · Limited investigation · Final report · Aug 2, 1998 · N8398R · Substantial damage
  > was the student pilot s inadequate compensation for the wind conditions he encountered during the landing phase. A factor in this accident was the pilot s lack of total experience.
- [NTSB CHI98FA288](https://openairdocs.org/ntsb/CHI98FA288.md): Hispano Aviacion A10B-37 · Oshkosh, WI · Accident · 1 fatal · Field investigation · Final report · Aug 2, 1998 · N2741P · Destroyed
  > the pilot's failure to maintain adequate altitude which resulted in in-flight collision with trees and subsequent compressor stall for undetermined reasons.
- [NTSB LAX98LA253](https://openairdocs.org/ntsb/LAX98LA253.md): Yakovlev YAK-55M · Lincoln, CA · Accident · No injuries · Limited investigation · Final report · Aug 1, 1998 · N910RT · 2 aircraft · Substantial damage
  > The pilot of the other aircraft's inadequate visual lookout
- [NTSB NYC98LA159](https://openairdocs.org/ntsb/NYC98LA159.md): Grumman American AA-1A · Point Of Woods, NY · Accident · Minor injuries · Limited investigation · Final report · Jul 31, 1998 · N9415L · Substantial damage
  > Improper maintenance which resulted in the installation of an incorrect venturi and the subsequent loss of engine power.
- [NTSB FTW98FA338](https://openairdocs.org/ntsb/FTW98FA338.md): Cessna 210M · Leesville, LA · Accident · 3 fatal · Field investigation · Final report · Jul 31, 1998 · N732PB · Destroyed
  > The pilot's failure to establish a climb during a night go-around. Factors were the lack of visual cues available to the pilot and the dark night illumination.
- [NTSB CHI98LA293](https://openairdocs.org/ntsb/CHI98LA293.md): Hughes 269A · Salina, KS · Accident · Serious injuries · Limited investigation · Final report · Jul 31, 1998 · N101KT · Substantial damage
  > inadequate maintenance which failed to detect corrosion in the fuel injector system and the fuel pump. Factors related to the accident were the low altitude and airspeed at which the loss of engine power occurred.
- [NTSB CHI98LA292](https://openairdocs.org/ntsb/CHI98LA292.md): Bell M74L · Grand Forks, ND · Accident · No injuries · Limited investigation · Final report · Jul 31, 1998 · N1001N · Substantial damage
  > The worn rotor clutch shoes, and subsequent loss of main rotor rpm.
- [NTSB NYC98LA154](https://openairdocs.org/ntsb/NYC98LA154.md): Johnson Revolution MINI-500 · Shermans Dale, PA · Accident · No injuries · Limited investigation · Final report · Jul 26, 1998 · N805JJ · Substantial damage
  > The builder/pilot's carburetor modification that did not allow for rapid fuel demand, which resulted in a loss of engine power of final approach.
- [NTSB LAX98LA245](https://openairdocs.org/ntsb/LAX98LA245.md): Grumman AA-5B · Torrance, CA · Accident · No injuries · Limited investigation · Final report · Jul 26, 1998 · N74637 · Destroyed
  > The failure of the pilot to maintain an adequate airspeed margin during the go-around attempt, which resulted in a stall/mush.
- [NTSB FTW98LA329](https://openairdocs.org/ntsb/FTW98LA329.md): Piper PA-28-161 · Rockwall, TX · Accident · Minor injuries · Limited investigation · Final report · Jul 25, 1998 · N30117 · Substantial damage
  > The pilot's improper use of the fuel tank selector resulting in the loss of engine power due to fuel starvation. A factor was the pilot's failure to follow the check list.
- [NTSB FTW98FA333](https://openairdocs.org/ntsb/FTW98FA333.md): Cessna 182P · Jal, NM · Accident · 4 fatal · Field investigation · Final report · Jul 25, 1998 · N58870 · Destroyed
  > The pilot's failure to maintain adequate airspeed. Contributing factors were high density altitude and excessive airplane weight.
- [NTSB LAX98LA243](https://openairdocs.org/ntsb/LAX98LA243.md): Beech 35 · Temecula, CA · Accident · Minor injuries · Limited investigation · Final report · Jul 24, 1998 · N2720V · Destroyed
  > A partial loss of engine power due to a disconnected throttle linkage, which was the result of an inadequate maintenance installation/inspection.
- [NTSB LAX98LA241](https://openairdocs.org/ntsb/LAX98LA241.md): Piper PA-28R-200 · Baker, CA · Accident · No injuries · Limited investigation · Final report · Jul 23, 1998 · N222LC · Substantial damage
  > A loss of engine power for undetermined reasons.
- [NTSB FTW98LA321](https://openairdocs.org/ntsb/FTW98LA321.md): Piper PA-23 · Bridgeport, TX · Accident · No injuries · Limited investigation · Final report · Jul 21, 1998 · N3154P · Substantial damage
  > The flight instructor's delay in recognizing and responding to the loss of right engine power which resulted in the airplane landing short of the runway. A factor was the loss of right engine power for undetermined reasons.
- [NTSB CHI98LA265](https://openairdocs.org/ntsb/CHI98LA265.md): Cessna 150J · Ironwood, MI · Accident · Serious injuries · Limited investigation · Final report · Jul 21, 1998 · N50930 · Substantial damage
  > the pilot's not compensating for wind conditions and his allowing an inadvertent stall. A factor was wind gusts.
- [NTSB FTW98LA320](https://openairdocs.org/ntsb/FTW98LA320.md): Navion G · Telluride, CO · Accident · Minor injuries · Limited investigation · Final report · Jul 19, 1998 · N2498T · Substantial damage
  > Pilot operating the aircraft with an overly lean mixture. A factor was unsuitable terrain for a forced landing.
- [NTSB FTW98LA323](https://openairdocs.org/ntsb/FTW98LA323.md): Schweizer SGU 2-22E · Canon City, CO · Accident · Serious injuries · Limited investigation · Final report · Jul 17, 1998 · N9920J · Substantial damage
  > The pilot's misjudgment of distance/altitude and his premature deployment of the spoilers, resulting in a undershoot and hard landing.
- [NTSB FTW98LA313](https://openairdocs.org/ntsb/FTW98LA313.md): Shoemaker S-12 Aeraile · Marion, AR · Accident · Serious injuries · Limited investigation · Final report · Jul 17, 1998 · N82584 · Substantial damage
  > The non-certificated pilot's failure to maintain minimum required airspeed resulting in an inadvertent stall. A factor was the pilot's lack of total flight experience.
- [NTSB CHI98LA258](https://openairdocs.org/ntsb/CHI98LA258.md): Piper PA-28-181 · Springfield, MO · Accident · No injuries · Limited investigation · Final report · Jul 17, 1998 · N2953Y · Substantial damage
  > the pilot in command's inadequate preflight planning/preparation and inaccurate fuel consumption calculations that caused the aircraft's fuel supply to be exceeded. Factors to the accident were the dark light condition and the rough/uneven terrain condition.
- [NTSB FTW98LA312](https://openairdocs.org/ntsb/FTW98LA312.md): Piper PA-30 · Watkins, CO · Accident · Minor injuries · Limited investigation · Final report · Jul 16, 1998 · N444BP · Substantial damage
  > The pilot misjudged his altitude. Contributing to the accident were unfavorable wind and dark night conditions.
- [NTSB LAX98LA232](https://openairdocs.org/ntsb/LAX98LA232.md): Beech A36TC · Boulder City, NV · Accident · No injuries · Limited investigation · Final report · Jul 14, 1998 · N999AJ · Destroyed
  > loss of engine power for undetermined reasons over unsuitable terrain.
- [NTSB SEA98LA130](https://openairdocs.org/ntsb/SEA98LA130.md): Person Vari EZE · Arlington, WA · Accident · No injuries · Limited investigation · Final report · Jul 11, 1998 · N29NS · Substantial damage
  > A lack of adequate carburetor heat available and overload of the main landing gear. Contributing factors were carburetor icing conditions and soft terrain.
- [NTSB NYC98LA142](https://openairdocs.org/ntsb/NYC98LA142.md): Cessna 180 · Wadsworth, OH · Accident · No injuries · Limited investigation · Final report · Jul 10, 1998 · N180DR · Substantial damage
  > A loss of engine power for undetermined reasons.
- [NTSB ANC98LA092](https://openairdocs.org/ntsb/ANC98LA092.md): Piper PA-18 · Palmer, AK · Accident · No injuries · Limited investigation · Final report · Jul 10, 1998 · N1364P · Substantial damage
  > The pilot's failure to maintain the proper glide path to the intended landing area and his failure to maintain flying airspeed resulting in a stall.
- [NTSB ANC98FA091](https://openairdocs.org/ntsb/ANC98FA091.md): Swearingen SA-26AT · St. George, AK · Accident · 2 fatal · Field investigation · Final report · Jul 7, 1998 · N501FS · Destroyed
  > The pilot-in-command's failure to adequately monitor the instrument approach and the co-pilot's failure to intercept and maintain the proper NDB bearing on the approach. Contributing factors were the pilot-in-command's obstructed view of the NDB indicator and…
- [NTSB SEA98LA123](https://openairdocs.org/ntsb/SEA98LA123.md): Cessna 180H · Arlington, WA · Accident · Serious injuries · Limited investigation · Final report · Jul 6, 1998 · N91380 · Substantial damage
  > The pilot's inadequate compensation for the wind conditions. Gusting winds were a factor.
- [NTSB CHI98LA236](https://openairdocs.org/ntsb/CHI98LA236.md): Air Tractor AT301 · Langdon, ND · Accident · No injuries · Limited investigation · Final report · Jul 3, 1998 · N7301Y · Substantial damage
  > the total loss of engine power for reasons undetermined. A factor was rough and uneven terrain.
- [NTSB ATL98LA088](https://openairdocs.org/ntsb/ATL98LA088.md): Piper PA-28-180 · Jacksonville, FL · Accident · Minor injuries · Limited investigation · Final report · Jul 2, 1998 · N9011J · Substantial damage
  > The pilot's failure to manage his fuel properly leading to fuel starvation, a loss of engine power, and the collision with trees and the ground. A factor was his lack of total experience.
- [NTSB ANC98LA087](https://openairdocs.org/ntsb/ANC98LA087.md): Piper PA-20 · Soldotna, AK · Accident · Minor injuries · Limited investigation · Final report · Jul 1, 1998 · N2163A · Substantial damage
  > The pilot's inadvertent stall of the airplane.
- [NTSB CHI98LA225](https://openairdocs.org/ntsb/CHI98LA225.md): Cessna 172 · Flushing, MI · Accident · Minor injuries · Limited investigation · Final report · Jun 29, 1998 · N20043 · Substantial damage
  > was a delayed go-around maneuver by the pilot. Factors associated with this accident were the pilot misjudging his final approach altitude and glide path, having inadequate altitude to clear the trees at the end of the runway, and inadequate training on how…
- [NTSB NYC98LA135](https://openairdocs.org/ntsb/NYC98LA135.md): Taylorcraft BC12-65 · West Buxton, ME · Accident · Serious injuries · Limited investigation · Final report · Jun 28, 1998 · N47893 · Substantial damage
  > failure of the pilot to see-and-avoid power lines (inadequate visual lookout), as he was approaching to make a water landing on a river.
- [NTSB FTW98FA287](https://openairdocs.org/ntsb/FTW98FA287.md): Cessna 175 · Clovis, NM · Accident · 1 fatal · Field investigation · Final report · Jun 28, 1998 · N7366M · Destroyed
  > The pilot's failure to maintain adequate obstacle clearance and the proper landing glide path. Also causal was his loss of aircraft control during an attempted go-around. Factors were the dark night light conditions, the pilot's recent lack of sleep, and the…
- [NTSB LAX98FA210](https://openairdocs.org/ntsb/LAX98FA210.md): Cessna 152 · Santa Ana, CA · Accident · 1 fatal · Field investigation · Final report · Jun 24, 1998 · N67421 · Destroyed
  > The failure of the pilot-in-command to identify a proper touchdown point on the runway and maintain an appropriate glidepath so as to remain clear of vortex turbulence from the preceding large aircraft. A factor in the accident was the pilot's failure to…
- [NTSB IAD98FA070](https://openairdocs.org/ntsb/IAD98FA070.md): Cessna 172N · Ocean City, MD · Accident · 1 fatal · Field investigation · Final report · Jun 22, 1998 · N5944E · Destroyed
  > The pilot's failure to maintain control of the aircraft due to spatial disorientation. Contributing factors wer fog, dark night conditions, lack of recent experience, inadequate preflight planning, and flight into known adverse weather.
- [NTSB LAX98LA209](https://openairdocs.org/ntsb/LAX98LA209.md): Glaser-Dirks DG-800B · Jean, NV · Accident · Serious injuries · Limited investigation · Final report · Jun 21, 1998 · N98NL · Substantial damage
  > The disconnection of the elevator control attachment nut due to improper installation by the manufacturer, which resulted in the pilot's loss of control.
- [NTSB LAX98LA229](https://openairdocs.org/ntsb/LAX98LA229.md): Cessna 310K · Calexico, CA · Accident · No injuries · Limited investigation · Final report · Jun 19, 1998 · N6994L · Substantial damage
  > The pilot's continued operation of the aircraft with known deficiencies in the landing gear indicating system. A contributing factor to the accident was the pilot's expectation that the gear would be extended and locked irrespective of the indicator lights…
- [NTSB CHI98LA209](https://openairdocs.org/ntsb/CHI98LA209.md): Tillman Christen II · Howell, MI · Accident · 1 fatal · Limited investigation · Final report · Jun 19, 1998 · N124ET · Destroyed
  > the pilot not maintaining aircraft control during the go-around maneuver. A factor in this accident was the pilot s lack of recent experience in the accident airplane.
- [NTSB NYC98FA129](https://openairdocs.org/ntsb/NYC98FA129.md): Hawker Hunter T MK 8 · Manchester, NH · Accident · 1 fatal · Field investigation · Final report · Jun 18, 1998 · N745WT · Destroyed
  > Fuel exhaustion, resulting from the pilot's reliance on an inaccurate fuel quantity indicating system. A factor in the pilot's death was his intentional delay of the ejection sequence in order to avoid people and property on the ground.
- [NTSB ANC98LA104](https://openairdocs.org/ntsb/ANC98LA104.md): Cessna 207 · Bethel, AK · Accident · No injuries · Limited investigation · Final report · Jun 18, 1998 · N2162C · Substantial damage
  > An in-flight collision with a large bird.
- [NTSB SEA98FA100](https://openairdocs.org/ntsb/SEA98FA100.md): Aero Commander 680FL · Helena, MT · Accident · 1 fatal · Field investigation · Final report · Jun 17, 1998 · N446JR · Destroyed
  > The pilot's failure to maintain the correct altitude while turning inbound during a procedure turn to the ILS final approach course. Factors include hilly/mountainous terrain and clouds in the area where the course reversal was performed.
- [NTSB LAX98LA198](https://openairdocs.org/ntsb/LAX98LA198.md): Boeing Stearman A75N1 · Riverbank, CA · Accident · Minor injuries · Limited investigation · Final report · Jun 14, 1998 · N48576 · Substantial damage
  > The pilot's inadequate visual lookout for on-coming ground traffic.
- [NTSB LAX98LA197](https://openairdocs.org/ntsb/LAX98LA197.md): Bell 47G-4A · Shafter, CA · Accident · No injuries · Limited investigation · Final report · Jun 14, 1998 · N110DT · Substantial damage
  > The aircraft's encounter with settling with power, which resulted from the pilot's decision to perform a steep downwind approach.
- [NTSB LAX98LA196](https://openairdocs.org/ntsb/LAX98LA196.md): Beech 76 · San Martin, CA · Accident · Minor injuries · Limited investigation · Final report · Jun 14, 1998 · N912KA · Substantial damage
  > Failure of the instructor to adequately supervise the flight, which included ensuring that the student maintained the proper airspeed during the attempted go-around.
- [NTSB ATL98LA083](https://openairdocs.org/ntsb/ATL98LA083.md): Piper PA-28-180 · Destin, FL · Accident · Serious injuries · Limited investigation · Final report · Jun 13, 1998 · N55369 · Substantial damage
  > The pilot's failure to maintain directional control and her failure to maintain adequate obstacle clearance during an attempted go-around. A factor was the pilot's inadequate compensation for the crosswind conditions.
- [NTSB SEA98LA093](https://openairdocs.org/ntsb/SEA98LA093.md): Cessna 150 · Amboy, WA · Accident · 1 fatal · Limited investigation · Final report · Jun 10, 1998 · N7759E · Substantial damage
  > The pilot's failure to maintain adequate altitude and/or clearance from terrain during a go-around attempt. Factors included a short landing area and trees in the landing area.
- [NTSB SEA98FA092](https://openairdocs.org/ntsb/SEA98FA092.md): Cessna T210N · Hillsboro, OR · Accident · 2 fatal · Field investigation · Final report · Jun 9, 1998 · N199JM · Destroyed
  > Improper installation (bushing), mechanical binding (bushing), mechanical binding (connecting rod), and fatigue within the crankshaft. Contributing factors were inadequate major (engine) overhaul and trees.
- [NTSB ANC98LA067](https://openairdocs.org/ntsb/ANC98LA067.md): Cessna 185 · Chickaloon, AK · Accident · No injuries · Limited investigation · Final report · Jun 9, 1998 · N9855X · Substantial damage
  > The pilot's inadvertent activation of the fuel boost pump selector switch during final approach, which resulted in an overly rich mixture and subsequent loss of engine power.
- [NTSB MIA98LA180](https://openairdocs.org/ntsb/MIA98LA180.md): Robert E. Bean Wittman Tailwind W10 · Daytona Beach, FL · Accident · No injuries · Limited investigation · Final report · Jun 8, 1998 · N173RS · Substantial damage
  > The pilot's poorly planned approach for not planning the intended touchdown point farther down the runway to avoid an area of known turbulence caused by terrain. Contributing to the accident was the turbulence.
- [NTSB FTW98LA260](https://openairdocs.org/ntsb/FTW98LA260.md): Bell 206B · Corpus Christi, TX · Accident · No injuries · Limited investigation · Final report · Jun 7, 1998 · N16814 · Substantial damage
  > The failure of the tail rotor drive shaft due to the separation of a bolt at one of the drive shaft disc couplings for an undetermined reason, which resulted in the pilot's inability to maintain directional control during landing.
- [NTSB FTW98LA257](https://openairdocs.org/ntsb/FTW98LA257.md): Aero Commander S2R · Hondo, TX · Accident · 1 fatal · Limited investigation · Final report · Jun 6, 1998 · N1765S · Destroyed
  > The inadvertent stall due to the pilot's failure to maintain control of the airplane. Factors were the high winds and the wind induced turbulence.

Next page: https://openairdocs.org/ntsb-phases/500/cases.md?page=113

## 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=112

---
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.
