# NTSB investigations, 1986: In flight encounter with weather

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 1 of 5 · 207 cases

## Latest cases

- [NTSB CHI87FA057](https://openairdocs.org/ntsb/CHI87FA057.md): Piper PA-32-301 · Wheeling, IL · Accident · No injuries · Field investigation · Final report · Dec 29, 1986 · N8281Y · Substantial damage
  > The pilot attempted flight although pirep's for icing had been issued during weather briefing from fss and aircraft was not equipped for icing conditions. Shortly after takeoff, pilot reported to ATC problems with aircraft flight instruments and then reported…
- [NTSB LAX87LA070](https://openairdocs.org/ntsb/LAX87LA070.md): Raven S55A/AX7 · Peoria, AZ · Accident · Serious injuries · Limited investigation · Final report · Dec 27, 1986 · N5561P · Minor damage
  > Prior to lift-off the pilot noted that the wind conditions were calm. During the flight, the surface winds began to increase. The pilot prepared his passengers for a high wind landing and began to lightly vent off hot air. The balloon began descending at…
- [NTSB ATL87LA046](https://openairdocs.org/ntsb/ATL87LA046.md): Boeing 737-300 · Dublin, VA · Accident · Serious injuries · Limited investigation · Final report · Dec 23, 1986 · N369AU · Minor damage
  > While clbg to FL 350, usair flt 95 enctrd cont 'light chop,' so crew lvld at FL 310 & left the seat belt sign on. They inquired about turbc ahead & were adzd of rprtd lgt/mod chop & 1 enctr with svr turbc at FL260. Clnc was rcvd to dscnd to FL 240. Drg dscnt,…
- [NTSB CHI87FA054](https://openairdocs.org/ntsb/CHI87FA054.md): Bellanca 14-19-3A · West Chicago, IL · Accident · 4 fatal · Field investigation · Final report · Dec 22, 1986 · N1253R · Destroyed
  > At 0850 CST, the plt got a wx briefing for a flt to the dupage arpt. At that time, the current dupage wx was in part: partial obscn, 2 mi vis with fog; also, the plt was given svrl pireps for lgt to mod icing in southern Wisconsin. At 1231, he got a wx…
- [NTSB DEN87FA039](https://openairdocs.org/ntsb/DEN87FA039.md): Cessna 172E · Crossroads, NM · Accident · 1 fatal · Field investigation · Final report · Dec 21, 1986 · N7821U · Destroyed
  > The student plt with no simulated or actual instrument and a total of 9 hours night flt time called the amarillo FAA fss, who briefed him on wx for a flt from borger, Texas, to big spring, Texas, located 210 NM south. He was briefed on marginal VFR wx en…
- [NTSB LAX87FA066](https://openairdocs.org/ntsb/LAX87FA066.md): Mooney M20K · Flagstaff, AZ · Accident · 1 fatal · Field investigation · Final report · Dec 20, 1986 · N4004H · Substantial damage
  > The pilot encountered clouds and temperatures below freezing during a cross country flight at 17,500 feet above mean sea level. The engine failed shortly after the encounter with the weather. The pilot was unable to restart the engine during the forced…
- [NTSB FTW87FA032](https://openairdocs.org/ntsb/FTW87FA032.md): Cessna 340A · Tomball, TX · Accident · 1 fatal · Field investigation · Final report · Dec 18, 1986 · N8CD · Destroyed
  > The pilot took off in fog and light rain and climbed into clouds at about 300-400 feet above the ground while both landing lights were extended and illuminated. Also the airport's rotating beacon (located aobut a mile from the accident site) was flashing on…
- [NTSB DCA87IA015](https://openairdocs.org/ntsb/DCA87IA015.md): ATR ATR-42 · Detroit, MI · Incident · No injuries · Incident investigation · Final report · Dec 18, 1986 · N423MQ · No damage
  > Drg arr, the flt was vectored for an ILS rwy 3R apch. At that time, ATIS info indcd mod mixed icing in clds. The capt rprtd the acft entered the cloud tops at 5500', was in the clds aprx 5 min & accumulated abt 1.5' of rime ice. He statedice accumulation was…
- [NTSB SEA87FA036](https://openairdocs.org/ntsb/SEA87FA036.md): Swearingen SA227AC · Salt Lake City, UT · Accident · No injuries · Field investigation · Final report · Dec 16, 1986 · N164SW · Substantial damage
  > The f/o was at the controls for the ILS apch to slc. Fog seeding was in progress, producing variable visibilities. The apch commenced with RVR well above cat I mins. At decision height(dh), the capt called 'lights in site'. The f/o continued the apch descent…
- [NTSB ANC87FA021](https://openairdocs.org/ntsb/ANC87FA021.md): Boeing 727-222 · Anchorage, AK · Accident · Serious injuries · Field investigation · Final report · Dec 16, 1986 · N7635U · Minor damage
  > About 10 min before arrival, the acft suddenly encountered turbulence which one occupant described as a single tremendous jolt. The mishap occurred while the acft was aprx 39 miles east of Anchorage intl arpt and was descending thru 10,000 ft. the seat belt…
- [NTSB FTW87FA031](https://openairdocs.org/ntsb/FTW87FA031.md): Cessna 172K · El Reno, OK · Accident · 2 fatal · Field investigation · Final report · Dec 15, 1986 · N736XP · Destroyed
  > Private pilot of Cessna 172K attempted VFR flight in IFR flight conditions. Contacted okc approach control and requested special VFR approach during hours of darkness. Approach denied special VFR due to lack of instrument qualification of pilot. Pilot was…
- [NTSB CHI87LA049](https://openairdocs.org/ntsb/CHI87LA049.md): Piper PA-22-150 · Mcgrath, MN · Accident · No injuries · Limited investigation · Final report · Dec 14, 1986 · N9198D · Substantial damage
  > After descending to maintain VFR and accumulating clear ice on both the structure and windscreen, the plt decided to make a precautionary landing. During landing in an open area, the left wing struck two apple trees and the acft became airborne again. After…
- [NTSB NYC87LA012](https://openairdocs.org/ntsb/NYC87LA012.md): Enstrom 280C · Newport, RI · Accident · 1 fatal · Limited investigation · Final report · Dec 11, 1986 · N647H · Substantial damage
  > Aircraft descended and collided with water when the pilot attempted to regain visual ground reference when weather deteriorated. No plt acc report was received. Plt time was not reported or available.
- [NTSB CHI87FA048](https://openairdocs.org/ntsb/CHI87FA048.md): Piper PA-28R-200 · N. Manitou Isl., MI · Accident · 2 fatal · Field investigation · Final report · Dec 11, 1986 · N32693 · Substantial damage
  > The plt had recvd an unfavorable wx brief that included a SIGMET on flt icing. Enroute during flt over a large body of water he experienced power loss and was at too low a altitude to glide to shore. The plt attempted to ld on a island but crashed in a lake.
- [NTSB FTW87FA029](https://openairdocs.org/ntsb/FTW87FA029.md): Piper PA-28R-200 · Petersburg, TX · Accident · 1 fatal · Field investigation · Final report · Dec 7, 1986 · N4475F · Destroyed
  > Acft impacted in a 95 deg nose down attitude following a loss of control in IMC conditions while the non-instrument rated pvt plt was being vectored to the final app crs. Plt had filed IFR and had experienced difficulties thru out the flt. As he was given…
- [NTSB SEA87MA034](https://openairdocs.org/ntsb/SEA87MA034.md): Bell 206L-1 · Pendleton, OR · Accident · 3 fatal · Major investigation · Final report · Dec 4, 1986 · N7EC · Destroyed
  > The helicopter departed Pendleton on an emerg med svc/med-evac (EMS) flt to transport a patient to portland. After delivering the patient, the plt took off on the rtn flt with 2 med psnl aboard. Drg arrival at 1658 PST, he requested a special VFR (svfr)…
- [NTSB ATL87MA035](https://openairdocs.org/ntsb/ATL87MA035.md): Bell 206L-1 · Jamestown, TN · Accident · 4 fatal · Major investigation · Final report · Dec 3, 1986 · N3898U · Destroyed
  > The helicopter was being used in an emerg med svc/med-evac (EMS) opn. At 0230, the plt obtained a partial wx briefing. He was advised of flt prctns for IFR wx thru-out the area with low ceilings, fog, precip & mtns obscd. The flt departed nashville at 0245 &…
- [NTSB MKC87FA027](https://openairdocs.org/ntsb/MKC87FA027.md): Cessna 177RG · Colby, KS · Accident · 1 fatal · Field investigation · Final report · Nov 30, 1986 · N7692U · Destroyed
  > The non-instrument rated pilot filed an IFR flight plan after being briefed. There was freezing drizzle to the west that was moving toward the departure area. The airplane took off into a low ceiling with near freezing temperature. Pilot attempted to climb to…
- [NTSB DEN87LA025](https://openairdocs.org/ntsb/DEN87LA025.md): Cessna 152 · Ellicott, CO · Accident · No injuries · Limited investigation · Final report · Nov 29, 1986 · N757TN · Substantial damage
  > During the initial climb phase of takeoff the plt encountered a wind shear with strong gusty tail winds. The acft entered an uncontrolled descent from 25 feet AGL, struck a wire fence off the end of the rwy and nosed over.
- [NTSB DEN87FA024](https://openairdocs.org/ntsb/DEN87FA024.md): Piper PA-28-181 · Stugis, SD · Accident · 1 fatal · Field investigation · Final report · Nov 29, 1986 · N2161B · Destroyed
  > The plt agreed to ferry the acft for another plt who was not IFR rated & who had been forced to land at kadoka on the previous evening due to low fuel & apchg darkness. IMC prevailed thru-out the area. The commercial/ifr rated plt did not obtain a wx briefing…
- [NTSB CHI87DEX03](https://openairdocs.org/ntsb/CHI87DEX03.md): Cessna 172N · Raymond, OH · Accident · 3 fatal · Final report · Nov 27, 1986 · N4767E · Destroyed
  > The accident aircraft impacted in an open field shortly after a predawn departure from an unattended airport. IMC prevailed an no flight plan was in effect. In a conversaton held the day before with a local pilot the pilot of the accident aircraft stated his…
- [NTSB SEA87FA031](https://openairdocs.org/ntsb/SEA87FA031.md): Cessna 177RG · Republic, WA · Accident · 1 fatal · Field investigation · Final report · Nov 25, 1986 · N52069 · Destroyed
  > A witness observed the acft taxi out ot the rwy in light snow showers and taxi to the north end of the rwy. During the takeoff the area was covered with a heavy snow shower, with winds from the north gusting T0 20-25 mph. The acft was observed to depart to…
- [NTSB MIA87LA036](https://openairdocs.org/ntsb/MIA87LA036.md): Piper PA-34-200T · Isabela, PR · Accident · 2 fatal · Limited investigation · Final report · Nov 25, 1986 · N888MD · Destroyed
  > The acft was reported missing while on a personal flight from san juan PR to aguadilla PR. The plts last radio contact was with aguadilla tower requesting an alternate arpt to land because they were in heavy rain. The coast guard initiated a search and found…
- [NTSB ATL87MA028](https://openairdocs.org/ntsb/ATL87MA028.md): Bell 206B · Cincinnati, OH · Accident · 2 fatal · Major investigation · Final report · Nov 25, 1986 · N59610 · Destroyed
  > The owner/operator (oper) of a flying service provided acft for broadcasting stations in the area. A radio station had contracted with the oper to provide a helicopter (helo, N59610) & a plt to take a news rprtr on a local traffic watch. The oper rprtd that…
- [NTSB MKC87FA022](https://openairdocs.org/ntsb/MKC87FA022.md): Piper PA-28-181 · Summersville, MO · Accident · 1 fatal · Field investigation · Final report · Nov 23, 1986 · N4326P · Destroyed
  > The PIC had flown his acft fm springfield, MO to olathe, Kansas to have some repair work accomplished and was to return that same day. The PIC never returned to springfield. The PIC had flown to salem, ill where witnesses stated they observed that he was…
- [NTSB ATL87LA022](https://openairdocs.org/ntsb/ATL87LA022.md): Cessna 402C · Fremont, OH · Accident · No injuries · Limited investigation · Final report · Nov 18, 1986 · N6786P · Substantial damage
  > The plt reported that he was about five feet above the rwy when he encountered a gust of wind. The acft rocked from side to side during the apch and touched down hard.
- [NTSB MKC87FA020](https://openairdocs.org/ntsb/MKC87FA020.md): Cessna 182A · Bluff City, KS · Accident · 1 fatal · Field investigation · Final report · Nov 17, 1986 · N2038G · Destroyed
  > The plt stated that he was cruising at 2,500 ft MSL en route southbound to enid, Oklahoma, when he encountered fog but flew for 15 to 20 minutes before executing a 180DEG northerly turn back to hutchinson, KS. According to the plt, he was in the clouds trying…
- [NTSB BFO87FA009](https://openairdocs.org/ntsb/BFO87FA009.md): Piper PA-28-161 · Danville, VA · Accident · 2 fatal · Field investigation · Final report · Nov 17, 1986 · N43905 · Destroyed
  > The aircraft was observed flying around the airport as the weather deteriorated. The pilot had elected to depart at about 2345 EST after obtaining a weather briefing 6 & 1/2 hours before. The plt had a total of about 83 hours flying time and did not have any…
- [NTSB CHI87LA029](https://openairdocs.org/ntsb/CHI87LA029.md): Piper PA-28-180 · Lansing, IL · Accident · Minor injuries · Limited investigation · Final report · Nov 16, 1986 · N2311R · Substantial damage
  > The plt rprtd he enctrd IFR conds at aprx 400' AGL drg takeoff. He elected to 'fly out of it' & 'was in the clear' afterclbg to 4500' MSL. He elected to return to the arpt & indcd he could see the arpt 'on and off' thru brkn clds. On an apch to lnd, the acft…
- [NTSB ATL87LA018](https://openairdocs.org/ntsb/ATL87LA018.md): Cessna 152 · Lexington, NC · Accident · No injuries · Limited investigation · Final report · Nov 9, 1986 · N6617L · Destroyed
  > During a local instructional flight, the CFI was demonstrating a simulated emergency landing to a field to a 5 hour pre-solo student pilot. During recovery the aircraft was reportedly affected by a downdraft and collided with a wire. The acft began losing…
- [NTSB SEA87FA019](https://openairdocs.org/ntsb/SEA87FA019.md): Beech BE35K · Marysville, WA · Accident · 2 fatal · Field investigation · Final report · Nov 7, 1986 · N9536R · Destroyed
  > A witness observed the acft impact in an open field during a heavy rain. Rain, fog, and turbulence in the clouds were reported in the area at the time. The acft impacted in a right turn. The new instrument rated plt was getting complex acft time in…
- [NTSB DEN87FA017](https://openairdocs.org/ntsb/DEN87FA017.md): Piper PA-32-301T · Cheyenne, WY · Accident · Serious injuries · Field investigation · Final report · Nov 7, 1986 · N8216V · Substantial damage
  > The plt and his two pax were on a VFR x-country to scottsbluff, NE, when IMC was encountered near grand junction, CO. The plt then called ATC and obtained an IFR clearance. The plt elected to land at Cheyenne, WY. Wx was reported to be 500 overcast, 1/4 mi…
- [NTSB MIA87FA025](https://openairdocs.org/ntsb/MIA87FA025.md): Cessna 152 · Woodville, FL · Accident · 2 fatal · Field investigation · Final report · Nov 6, 1986 · N49083 · Destroyed
  > The non-instrument rated private plt had received his certificate two days prior to the accident. The flight was receiving stage three radar service when it advised that it was in the clouds and was turning around. Radar contact was lost moments later and the…
- [NTSB LAX87LA033](https://openairdocs.org/ntsb/LAX87LA033.md): Beech K35 · San Diego, CA · Accident · Minor injuries · Limited investigation · Final report · Nov 6, 1986 · N399WM · Destroyed
  > At the end of a night cross country flight, the pilot attempted an instrument approach to the montgomery airport after being advised the weather was below basic VFR minimums. He was cleared for an ILS approach and reported that he had the runway in sight at…
- [NTSB DEN87FA016](https://openairdocs.org/ntsb/DEN87FA016.md): Cessna 421C · Butte, MT · Accident · 1 fatal · Field investigation · Final report · Nov 6, 1986 · N421AR · Destroyed
  > Plt was attempting the vor-b instrument apch to Butte, MT arpt. Plt reported over the coppertown VORTAC inbound on the arpt. The procedure turn inbound course to the VORTAC is 124 degrees. The inbound course to the arpt is 094 degrees. The acft wreckage was…
- [NTSB DCA87MA010](https://openairdocs.org/ntsb/DCA87MA010.md): Piper PA-23-150 · Tampa, FL · Accident · 1 fatal · Class 1 · Major · Final report · Nov 6, 1986 · N2185P · 2 aircraft · Destroyed
  > At aprx 0612 EST, an eastern airline capt (owner of Piper PA-23, N2185P) departed a rwy near his home in VFR conds to commute to work at Tampa, FL. Shortly after takeoff, he contacted a fss & updated the wx info he had obtained on the previous evening. At…
- [NTSB LAX87FA200](https://openairdocs.org/ntsb/LAX87FA200.md): Bellanca 17-30A · Flagstaff, AZ · Accident · 2 fatal · Field investigation · Final report · Nov 3, 1986 · N93495 · Destroyed
  > The plt & his wife desired to return to their Flagstaff, AZ, home following a weekend at stockton, CA., & they departed sck in VFR weather conditions. The weather at the destination arpt had been below VFR minimums all morning & it was forecast to remain poor…
- [NTSB LAX87LA032](https://openairdocs.org/ntsb/LAX87LA032.md): Learjet 24 · Lake Tahoe, CA · Accident · No injuries · Limited investigation · Final report · Nov 2, 1986 · N711TJ · Substantial damage
  > At the end of a cross country flight, the pilot experienced light to moderate turbulence on short final while executing a down wind approach to the Lake Tahoe airport. Approximately 50 feet AGL over the runway, the aircraft exited the turbulence and touched…
- [NTSB NYC87FA025](https://openairdocs.org/ntsb/NYC87FA025.md): Bell 206B · Brattleboro, VT · Accident · 1 fatal · Field investigation · Final report · Oct 29, 1986 · N52EG · Destroyed
  > The helicopter crashed into a wooded ridge aprx 2 NM from it's liftoff location. Persons who reside under the flt path were awakened by the acft as it was descending into IMC at what sounded like full power. The plt's heliport was at an elevation of 950 ft…
- [NTSB SEA87FA014](https://openairdocs.org/ntsb/SEA87FA014.md): Piper PA-38 · Port Townsend, WA · Accident · 2 fatal · Field investigation · Final report · Oct 26, 1986 · N2565P · Destroyed
  > The plt had flown this acft over the same route many times. While en route, the acft collided with tall trees on rising terrain about 3 miles south of a direct course to the destination. The wx in the vicinity was characterized by low clouds, fog & haze. Aprx…
- [NTSB DEN87FA008](https://openairdocs.org/ntsb/DEN87FA008.md): Mooney M20B · Buffalo, WY · Accident · 1 fatal · Field investigation · Final report · Oct 23, 1986 · N74739 · Destroyed
  > At aprx 1720 MDT, tower psnl at the dep arpt received a phone call from the plt. He said he wished to depart with an inop 2-WAY radio. He was advised that IMC prevailed & that a radio would be required to depart with an IFR or special VFR clnc. At 1907 (after…
- [NTSB ATL87FA007](https://openairdocs.org/ntsb/ATL87FA007.md): Piper PA-32R-300 · Nashville, TN · Accident · 1 fatal · Field investigation · Final report · Oct 20, 1986 · N5260F · Destroyed
  > The flight was cleared for the localizer approach to rwy 31. The pilot reported the airport in sight. The flight descended into the cloud layer and crashed about 1000 feet short of the middle marker. The pilot did not report any aircraft problem. The approach…
- [NTSB NYC87FA021](https://openairdocs.org/ntsb/NYC87FA021.md): Piper PA-28-235 · Jamestown, NY · Accident · 2 fatal · Field investigation · Final report · Oct 18, 1986 · N33808 · Destroyed
  > The non-inst rated plt had received a telephone wx briefing prior to the planned flt. Marginal VFR wx was forecast for the route with vis 1/8 mile and fog. The acft was located aprx 24 hrs later in a heavily wooded area about 200 yds east of and parallel to…
- [NTSB NYC87FA015](https://openairdocs.org/ntsb/NYC87FA015.md): Cessna 185 · Greenville, ME · Accident · 1 fatal · Field investigation · Final report · Oct 15, 1986 · N61438 · Substantial damage
  > Th plt stated that the acft encountered crosswinds of 20 KTS gusting to 30 KTS as the acft was coming off the step during liftoff in the open lake. The acft's right wing was forced down, the right float struck the water which resulted in the right wing…
- [NTSB NYC87FA011](https://openairdocs.org/ntsb/NYC87FA011.md): Cessna 172 · Croton On Hud., NY · Accident · 1 fatal · Field investigation · Final report · Oct 14, 1986 · N6090J · Destroyed
  > Student pilot advised by millville fss that VFR flight not recommended due to current and forecast IFR conditions throughout route of flight. Acft observed flying near base of low clouds and in and out of clouds prior to crashing in a residential area.
- [NTSB ATL87FA042](https://openairdocs.org/ntsb/ATL87FA042.md): Piper PA-28-140 · Pell City, AL · Accident · 2 fatal · Field investigation · Final report · Oct 13, 1986 · N4576R · Destroyed
  > The aircraft departed albany Georgia for fenton Missouri without a flight plan. VFR not recommended had been given to the commercial, CFI, instrument rated pilot twice during the day. The wreckage was found two months later on the side of a mountain in…
- [NTSB LAX87FA014](https://openairdocs.org/ntsb/LAX87FA014.md): Cessna 177RG · Happy Jack, AZ · Accident · 2 fatal · Field investigation · Final report · Oct 11, 1986 · N34213 · Destroyed
  > The non-instrument rated private plt was informed that MVFR weather conditions existed along his planned route of flight. The plt took off & headed into the deteriorating wx. While cruising beneath clouds the acft collided with rapidly rising terrain. The plt…
- [NTSB NYC87LA009](https://openairdocs.org/ntsb/NYC87LA009.md): Eiriavion PIK-20E · Erwinna, PA · Accident · No injuries · Limited investigation · Final report · Oct 5, 1986 · N12ZC · Substantial damage
  > Flight encountered turbulence on descent below tree top level and when about 150 feet from the threshold a downdraft was encountered causing the aircraft to collide with the ground. The aircraft groundlooped when the left wing caught in the tall grass.
- [NTSB FTW87LA002](https://openairdocs.org/ntsb/FTW87LA002.md): Robinson R22 · Minden, LA · Accident · Minor injuries · Limited investigation · Final report · Oct 5, 1986 · N90455 · Substantial damage
  > The non-instrument rated plt entered IMC conditions while in cruise flt on a dark night at an altitude of 500 ft. he then entered a descent to reach VMC. During the descent, the helicopter collided with a tree at aprx 75 to 100 feet AGL,then crashed to the…
- [NTSB SEA87LA002](https://openairdocs.org/ntsb/SEA87LA002.md): Cessna 172N · Roseburg, OR · Accident · Serious injuries · Limited investigation · Final report · Oct 4, 1986 · N734EP · Destroyed
  > The plt initiated the takeoff from a taxiway with a 100 ft obscured sky and 1/4 visibility in fog. The non-instrument rated plt was unable to maintain the rwy heading during initial climb. The acft drifted to the right of the taxiway and struck trees located…

Next page: https://openairdocs.org/ntsb.md?year=1986&occurrence=240&page=2

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
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 year(c."eventDate") = 1986
  AND c."mKey" IN (SELECT o.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o."occurrenceNumber" = 1 AND o."occurrenceCode" = 240)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?occurrence=240&year=1986

---
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.