# NTSB investigations: Initial climb

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 54 of 412 · 20,559 cases

## Cases, newest first

- [NTSB ERA09LA281](https://openairdocs.org/ntsb/ERA09LA281.md): Polaris Motors 582 FIB · Lexington, SC · Accident · Serious injuries · Limited investigation · Final report · May 4, 2009 · N171MB · Substantial damage
  > The non-certificated pilot's failure to maintain airspeed during initial climb, which resulted in an aerodynamic stall. Contributing to the accident was the non-certificated pilot’s lack of experience in the make and model airplane.
- [NTSB CEN09LA274](https://openairdocs.org/ntsb/CEN09LA274.md): Beech 35-C33 · Addison, TX · Accident · Serious injuries · Limited investigation · Final report · May 4, 2009 · N528BM · Substantial damage
  > A loss of engine power in flight due to fuel starvation as a result of the pilots' inadequate fuel management.
- [NTSB WPR09CA225](https://openairdocs.org/ntsb/WPR09CA225.md): Rans S-7 · Atomic City, ID · Accident · No injuries · Data collection · Final report · May 1, 2009 · N4272M · Substantial damage
  > A loss of engine power due to fuel starvation as a result of the pilot's inadequate fuel management.
- [NTSB CEN09FA267](https://openairdocs.org/ntsb/CEN09FA267.md): Cirrus Design SR22 · Mayfield Village, OH · Accident · 2 fatal · Field investigation · Final report · Apr 28, 2009 · N504MD · Destroyed
  > The pilot’s failure to maintain control of the airplane while operating in instrument meteorological conditions due to spatial disorientation. Contributing to the accident was the pilot’s inattention to basic aircraft control while attempting to program the…
- [NTSB WPR09LA218](https://openairdocs.org/ntsb/WPR09LA218.md): Weinberg RV-6 · Sparks, NV · Accident · No injuries · Limited investigation · Final report · Apr 26, 2009 · N690V · Substantial damage
  > The pilot's failure to follow the pre-takeoff checklist that resulted in the canopy opening during takeoff, which created a distraction, and his failure to maintain aircraft control during landing.
- [NTSB ERA09CA262](https://openairdocs.org/ntsb/ERA09CA262.md): Tecnam P2002 Sierra · Lake Wales, FL · Accident · Minor injuries · Data collection · Final report · Apr 24, 2009 · N122LS · Substantial damage
  > The pilot’s failure to maintain aircraft control and failure to maintain clearance from trees during initial climb.
- [NTSB CEN09LA263](https://openairdocs.org/ntsb/CEN09LA263.md): Laseure Sonerai II · Grantsburg, WI · Accident · 1 fatal · Limited investigation · Final report · Apr 22, 2009 · N232PE · Destroyed
  > The pilot's failure to maintain airspeed during initial climb which resulted in a stall/spin. Contributing to the accident was the degraded engine performance.
- [NTSB CEN09LA262](https://openairdocs.org/ntsb/CEN09LA262.md): Capra, Salvatore O Aventura 2 · Des Allemands, LA · Accident · 1 fatal · Limited investigation · Final report · Apr 22, 2009 · N912SC · Substantial damage
  > The pilot’s failure to achieve adequate altitude and airspeed before beginning a downwind turn after takeoff.
- [NTSB CEN09CA258](https://openairdocs.org/ntsb/CEN09CA258.md): Marlin Varieze · Santa Teresa, NM · Accident · No injuries · Data collection · Final report · Apr 20, 2009 · N77JM · Substantial damage
  > The pilot's failure to maintain control of the airplane, his failure to latch the canopy prior to takeoff, and his failure to complete the pretakeoff checklist due to his diverted attention.
- [NTSB ERA09WA241](https://openairdocs.org/ntsb/ERA09WA241.md): Cessna 210 · Concepcion, Bolivia · Accident · 4 fatal · Foreign investigation · Apr 13, 2009 · CP-1373 · Destroyed
  > On April 11, 2009, at 2305 universal coordinated time (1905 local time), a Cessna 210M, Bolivian registration CP-1373, was destroyed when it impacted terrain shortly after taking off from Concepcion Airport (SLCP), Concepcion, Bolivia. The certificated…
- [NTSB ERA09LA239](https://openairdocs.org/ntsb/ERA09LA239.md): Diamond DA20 · Shelbyville, TN · Accident · Serious injuries · Limited investigation · Final report · Apr 11, 2009 · N964CT · Substantial damage
  > A partial loss of engine power for an undetermined reason.
- [NTSB WPR09CA186](https://openairdocs.org/ntsb/WPR09CA186.md): Air Creation Clipper 58 · Anacortes, WA · Accident · Minor injuries · Data collection · Final report · Apr 9, 2009 · N5138J · Substantial damage
  > The partial loss of engine power due to the passenger's inadvertent movement of the engine throttle control.
- [NTSB CEN09LA239](https://openairdocs.org/ntsb/CEN09LA239.md): Air Tractor AT-301 · Corning, AR · Accident · No injuries · Limited investigation · Final report · Apr 7, 2009 · N36597 · Substantial damage
  > A loss of engine power due to the failure of the number one engine cylinder for undetermined reasons.
- [NTSB CEN09LA236](https://openairdocs.org/ntsb/CEN09LA236.md): Argence RV-8 · Angleton, TX · Accident · Serious injuries · Limited investigation · Final report · Apr 4, 2009 · N89EA · Destroyed
  > The pilot's failure to maintain clearance from trees during initial climbout.
- [NTSB ERA09LA222](https://openairdocs.org/ntsb/ERA09LA222.md): Rogers Kenneth J Flaglor Scooter · Griffin, GA · Accident · Serious injuries · Limited investigation · Final report · Mar 30, 2009 · N3248Q · Substantial damage
  > A total loss of engine power due to the failure of the engine-driven fuel pump. Contributing to the accident was unsuitable terrain for a forced landing and the pilot’s preexisting medical condition.
- [NTSB ERA09CA220](https://openairdocs.org/ntsb/ERA09CA220.md): SIAI Marchetti SM-1019B · Dade City, FL · Accident · No injuries · Data collection · Final report · Mar 29, 2009 · N273LH · Substantial damage
  > The pilot's failure to maintain directional control during initial climb.
- [NTSB WPR09LA170](https://openairdocs.org/ntsb/WPR09LA170.md): Cessna T210L · Madera, CA · Accident · Serious injuries · Limited investigation · Final report · Mar 28, 2009 · N2445S · Substantial damage
  > A total loss of engine power during the initial climb due to fuel exhaustion as a result of the pilot's failure to properly monitor the airplane's fuel quantity and to correctly ascertain the fuel on board the airplane prior to takeoff.
- [NTSB WPR09LA169](https://openairdocs.org/ntsb/WPR09LA169.md): Piper PA-28-235 · San Carlos, CA · Accident · Serious injuries · Limited investigation · Final report · Mar 28, 2009 · N9249W · Substantial damage
  > A total loss of engine power during the initial climb for undetermined reasons.
- [NTSB CEN09FA230](https://openairdocs.org/ntsb/CEN09FA230.md): Cessna 337C · Stillwater, OK · Accident · 1 fatal · Field investigation · Final report · Mar 27, 2009 · N373E · Substantial damage
  > The total loss of dual engine power due to fuel exhaustion as a result of the pilot's inadequate fuel planning.
- [NTSB ENG09IA004](https://openairdocs.org/ntsb/ENG09IA004.md): Mcdonnell-Douglas DC-10-30 · Bogota, Colombia · Incident · No injuries · Incident investigation · Final report · Mar 26, 2009 · N526MD · Minor damage
  > Failure of the low pressure turbine stage 3 disk due to a design that is vulnerable to high pressure turbine unbalance-induced synchronous vibration that cannot be detected in flight, and the subsequent uncontained engine failure.
- [NTSB ANC09CA026](https://openairdocs.org/ntsb/ANC09CA026.md): Cessna 170B · Dillingham, AK · Accident · Minor injuries · Data collection · Final report · Mar 26, 2009 · N2989D · Substantial damage
  > The pilot's selection of unsuitable terrain for takeoff and his failure to attain adequate airspeed to avoid an aerodynamic stall. Contributing to the accident was the pilot's decision to take off with the airplane over its maximum allowable gross weight.
- [NTSB WPR09FA158](https://openairdocs.org/ntsb/WPR09FA158.md): Piper PA-32-300 · Corona, CA · Accident · 2 fatal · Field investigation · Final report · Mar 20, 2009 · N55962 · Substantial damage
  > The pilot did not maintain airplane control during climb due to spatial disorientation while flying in instrument meteorological conditions. Contributing to the accident was the pilot's lack of recent instrument flying experience.
- [NTSB WPR09CA152](https://openairdocs.org/ntsb/WPR09CA152.md): Kenneth K Knowles Sonex · Cottonwood, AZ · Accident · No injuries · Data collection · Final report · Mar 18, 2009 · N997KK · Substantial damage
  > The loss of engine power for undetermined reasons.
- [NTSB CEN09LA224](https://openairdocs.org/ntsb/CEN09LA224.md): Taylorcraft F19 · Lake Vermillion, MN · Accident · Serious injuries · Limited investigation · Final report · Mar 14, 2009 · N3937T · Substantial damage
  > The pilot's failure to maintain proper pitch control resulting in a stall/spin.
- [NTSB CEN09LA214](https://openairdocs.org/ntsb/CEN09LA214.md): Marlman Stol CH 801 · Fort Morgan, CO · Accident · Minor injuries · Limited investigation · Final report · Mar 14, 2009 · N130WM · Substantial damage
  > The complete loss of engine power, as reported by the pilot, for undetermined reasons.
- [NTSB ANC09LA023](https://openairdocs.org/ntsb/ANC09LA023.md): Helio H-295 · Healy, AK · Accident · No injuries · Limited investigation · Final report · Mar 14, 2009 · N6478V · Substantial damage
  > The pilot's delay in initiating a climb while he was packing snow with the airplane's skis in preparation for landing, resulting in a collision with brush.
- [NTSB CEN09LA196](https://openairdocs.org/ntsb/CEN09LA196.md): Fritz RV3-A · Greencastle, IN · Accident · 1 fatal · Limited investigation · Final report · Mar 7, 2009 · N933WF · Substantial damage
  > A partial loss of engine power for undetermined reasons and the pilot's failure to maintain aircraft control during the emergency descent.
- [NTSB ERA09LA187](https://openairdocs.org/ntsb/ERA09LA187.md): Doyle-Michael Sonerai-II · Leonardtown, MD · Accident · Minor injuries · Limited investigation · Final report · Mar 6, 2009 · N28MD · Substantial damage
  > The pilot's continued operation of the airplane with a known mechanical deficiency. Contributing to the accident was the improper installation of the electronic ignition system.
- [NTSB CEN09CA192](https://openairdocs.org/ntsb/CEN09CA192.md): Champion 7FC · Thomas, OK · Accident · Minor injuries · Data collection · Final report · Mar 6, 2009 · N7681E · Substantial damage
  > A partial loss of engine power for undetermined reasons.
- [NTSB CEN09CA186](https://openairdocs.org/ntsb/CEN09CA186.md): Beech A36 · Athens, TX · Accident · Minor injuries · Data collection · Final report · Mar 4, 2009 · N5470V · Substantial damage
  > The non-certificated pilot's failure to maintain control during his unauthorized use of the airplane.
- [NTSB WPR09FA133](https://openairdocs.org/ntsb/WPR09FA133.md): Mooney M20E · Rio Linda, CA · Accident · 2 fatal · Field investigation · Final report · Feb 28, 2009 · N3463X · Substantial damage
  > A partial loss of engine power for undetermined reasons and the pilot's failure to maintain an adequate airspeed while maneuvering during the initial climb, which resulted in a stall/spin.
- [NTSB WPR09LA117](https://openairdocs.org/ntsb/WPR09LA117.md): Cessna 152 · Turlock, CA · Accident · Minor injuries · Limited investigation · Final report · Feb 18, 2009 · N48761 · Substantial damage
  > The loss of engine power due to carburetor icing resulting from the pilot's failure to apply carburetor heat. Contributing to the accident was the instructor's inadequate supervision of the flight.
- [NTSB CEN09LA167](https://openairdocs.org/ntsb/CEN09LA167.md): Beech H35 · Grain Valley, MO · Accident · No injuries · Limited investigation · Final report · Feb 17, 2009 · N7942D · Substantial damage
  > The loss of engine power due to fuel starvation (mechanical). Contributing to the accident was the forced landing on unsuitable terrain.
- [NTSB WPR09LA115](https://openairdocs.org/ntsb/WPR09LA115.md): Cessna T337 · Rialto, CA · Accident · Minor injuries · Limited investigation · Final report · Feb 14, 2009 · N86242 · Substantial damage
  > A partial loss of engine power to one engine during initial climb for undetermined reasons.
- [NTSB CEN09FA164](https://openairdocs.org/ntsb/CEN09FA164.md): Beech 95-A55 · Porter, TX · Accident · 2 fatal · Field investigation · Final report · Feb 12, 2009 · N9648Y · Substantial damage
  > The pilot’s failure to maintain control of the airplane during an aborted landing for undetermined reasons.
- [NTSB ERA09LA163](https://openairdocs.org/ntsb/ERA09LA163.md): Piper PA28 · Pittstown, NJ · Accident · Serious injuries · Limited investigation · Final report · Feb 11, 2009 · N55854 · Substantial damage
  > A loss of engine power due to the improper tightening of a fuel hose B-nut by maintenance personnel during engine installation.
- [NTSB ERA09CA162](https://openairdocs.org/ntsb/ERA09CA162.md): Davis Sonex · Crossville, TN · Accident · Minor injuries · Data collection · Final report · Feb 6, 2009 · N555SX · Substantial damage
  > A total loss of engine power during initial climb due to the failure of the ignition power supply as a result of the improper installation of the electronic control unit.
- [NTSB CEN09CA169](https://openairdocs.org/ntsb/CEN09CA169.md): Piper PA-24-250 · Mineral Wells, TX · Accident · No injuries · Data collection · Final report · Feb 3, 2009 · N5451P · Substantial damage
  > The failure of the airframe and power plant mechanic to ensure proper lubrication of wire cables in the landing gear system during the annual inspection which precluded safe operation of the landing gear system.
- [NTSB ERA09LA150](https://openairdocs.org/ntsb/ERA09LA150.md): Quicksilver MXL II Sport · Ellenboro, NC · Accident · 1 fatal · Limited investigation · Final report · Jan 31, 2009 · UNREG · Substantial damage
  > The pilot's failure to maintain control of the airplane during climbout. Contributing to the accident was the pilot’s lack of experience in the make and model of the airplane.
- [NTSB CEN09LA207](https://openairdocs.org/ntsb/CEN09LA207.md): Hall Steven C Lancair LE · Longmont, CO · Accident · No injuries · Limited investigation · Final report · Jan 31, 2009 · N939CB · Substantial damage
  > The pilot's failure to maintain aircraft pitch control resulting in the airplane impacting the terrain. Contributing to the accident were the pilot's failure to ensure the canopy was fully locked prior to takeoff and the canopy oscillations in flight.
- [NTSB CEN09LA149](https://openairdocs.org/ntsb/CEN09LA149.md): North American T-6G · Cypress, TX · Accident · No injuries · Limited investigation · Final report · Jan 31, 2009 · N51KT · 2 aircraft · Minor damage
  > Both pilot's failure to see and avoid the other aircraft.
- [NTSB CEN09LA154](https://openairdocs.org/ntsb/CEN09LA154.md): Ultra Flight Challenger · Waldron, MO · Accident · Serious injuries · Limited investigation · Final report · Jan 21, 2009 · N805FA · Substantial damage
  > The pilot's failure to maintain adequate airspeed, which resulted in an aerodynamic stall. Contributing to the accident were the pilot's lack of experience in the make and model of airplane, the inoperative flight instruments and the pilot's failure to abort…
- [NTSB DCA09MA026](https://openairdocs.org/ntsb/DCA09MA026.md): Airbus A320 · Weehawken, NJ · Accident · Serious injuries · Class 1 · Major · Final report · Jan 15, 2009 · N106US · Substantial damage
  > The ingestion of large birds into each engine, which resulted in an almost total loss of thrust in both engines and the subsequent ditching on the Hudson River. Contributing to the fuselage damage and resulting unavailability of the aft slide/rafts were (1)…
- [NTSB WPR09LA082](https://openairdocs.org/ntsb/WPR09LA082.md): Stits Flut-R-Bug SA6B · Los Olivos, CA · Accident · Minor injuries · Limited investigation · Final report · Jan 14, 2009 · N3129 · Substantial damage
  > A loss of engine power for undetermined reasons. Contributing to the accident was the pilot's improper decision to depart from a road with a known unresolved engine problem.
- [NTSB WPR09LA079](https://openairdocs.org/ntsb/WPR09LA079.md): Beech 95-A55 · Corona, CA · Accident · No injuries · Limited investigation · Final report · Jan 12, 2009 · N9694Y · Substantial damage
  > The pilot's inadequate compensation for the gusting wind conditions and failure to maintain directional control during the takeoff-initial climb.
- [NTSB WPR09LA077](https://openairdocs.org/ntsb/WPR09LA077.md): Cessna R172K · Fremont, CA · Accident · No injuries · Limited investigation · Final report · Jan 10, 2009 · N758FN · Substantial damage
  > The partial loss of engine power during takeoff due to an oil pump/tachometer drive gear failure for undetermined reasons.
- [NTSB CEN09LA134](https://openairdocs.org/ntsb/CEN09LA134.md): Inman J D Kolb Mark III · Ozark, AR · Accident · Serious injuries · Limited investigation · Final report · Jan 7, 2009 · N313JD · Substantial damage
  > The loss of engine power due to fuel contamination. Contributing to the accident was the pilot maintaining a high angle of attack during takeoff, which resulted in an inadvertent stall when the engine failed.
- [NTSB WPR09LA075](https://openairdocs.org/ntsb/WPR09LA075.md): Czech Aircraft Works Sport Cruiser · Casa Grande, AZ · Accident · No injuries · Limited investigation · Final report · Jan 6, 2009 · N797BS · Substantial damage
  > The pilot's failure to ensure that the canopy was latched prior to takeoff. Contributing to the accident was the inadequate guidance in the Pilot Operating Handbook regarding canopy procedures.
- [NTSB ERA09LA109](https://openairdocs.org/ntsb/ERA09LA109.md): Michel Paul John Murphy Rebel · Live Oak, FL · Accident · No injuries · Limited investigation · Final report · Dec 27, 2008 · N616PM · Substantial damage
  > A partial loss of engine power for undetermined reasons.
- [NTSB ERA09LA108](https://openairdocs.org/ntsb/ERA09LA108.md): Beech E18S · Fort Myers, FL · Accident · Serious injuries · Limited investigation · Final report · Dec 27, 2008 · N7765N · Substantial damage
  > The failure of the right propeller to go to the feathered position for undetermined reasons following a total loss of right engine power during initial climb due to fuel starvation as a result of the pilot's improper fuel planning.

Next page: https://openairdocs.org/ntsb-phases/350/cases.md?page=55

## 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 = 350)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-phases/350/cases?page=54

---
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.
