# 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 129 of 420 · 20,992 cases

## Cases, newest first

- [NTSB LAX95LA224](https://openairdocs.org/ntsb/LAX95LA224.md): Cessna 180 · Chandler, AZ · Accident · Minor injuries · Limited investigation · Final report · Jun 26, 1995 · N2362C · Substantial damage
  > Fuel exhaustion resulting from the pilot's failure to determine the amount of fuel onboard at departure. The reduced ambient lighting was a factor in this accident.
- [NTSB SEA95LA130](https://openairdocs.org/ntsb/SEA95LA130.md): Beech P35 · Challis, ID · Accident · Serious injuries · Limited investigation · Final report · Jun 25, 1995 · N9768Y · Destroyed
  > The pilot's failure to maintain an adequate supply of fuel for the flight. The terrain condition was a factor.
- [NTSB BFO95LA072](https://openairdocs.org/ntsb/BFO95LA072.md): Kolb Twinstar · Abingdon, VA · Accident · No injuries · Limited investigation · Final report · Jun 25, 1995 · N7165L · Destroyed
  > The loss of engine power due to undetermined reasons. Factors found to be involved in this accident were the condition inspection was overdue and the inadequate training received by the student pilot owner/builder.
- [NTSB ANC95FA086](https://openairdocs.org/ntsb/ANC95FA086.md): Piper PA-31 · Valdez, AK · Accident · 4 fatal · Field investigation · Final report · Jun 25, 1995 · N62851 · Destroyed
  > The pilot's failure to follow the published IFR (missed approach) procedure and assure adequate altitude/clearance from mountainous terrain.
- [NTSB SEA95LA125](https://openairdocs.org/ntsb/SEA95LA125.md): Cessna 180H · Monroe, WA · Accident · Minor injuries · Limited investigation · Final report · Jun 23, 1995 · N2790X · Substantial damage
  > The pilot's failure to maintain airspeed.
- [NTSB MIA95FA155](https://openairdocs.org/ntsb/MIA95FA155.md): Cessna 402A · Miami, FL · Accident · Serious injuries · Field investigation · Final report · Jun 23, 1995 · N7884J · Destroyed
  > The pilot-in-command's failure to maintain airspeed (VMC) after loss of power of one engine while on final approach, resulting in an in-flight loss of control and subsequent in-flight collision with terrain. Contributing to the accident was a total loss of…
- [NTSB FTW95LA258](https://openairdocs.org/ntsb/FTW95LA258.md): Beech 35 · Kingston, OK · Accident · Serious injuries · Limited investigation · Final report · Jun 23, 1995 · N5273C · Substantial damage
  > A malfunction of the propeller governor due to a loose control cable.
- [NTSB BFO95LA074](https://openairdocs.org/ntsb/BFO95LA074.md): Cessna 172 · Wauseon, OH · Accident · No injuries · Limited investigation · Final report · Jun 23, 1995 · N6403B · Destroyed
  > The pilot's failure to obtain/maintain adequate altitude/clearance from obstacles during an attempted go-round. Related factors are the pilot's failure to attain the planned approach and the improper go-around procedures.
- [NTSB BFO95LA073](https://openairdocs.org/ntsb/BFO95LA073.md): Kemp ACRO-SPORT II · Honeoye Falls, NY · Accident · Minor injuries · Limited investigation · Final report · Jun 23, 1995 · N27727 · Destroyed
  > the pilot's inadequate preflight planning/preparation and his misjudging of the touchdown during the forced landing. Related factors are the pilot's improper maintenance, and fuel contamination.
- [NTSB CHI95LA195](https://openairdocs.org/ntsb/CHI95LA195.md): Cessna 172 · St Cloud, MN · Accident · No injuries · Limited investigation · Final report · Jun 22, 1995 · N2027E · Substantial damage
  > The pilot's improper inflight planning/decision, which resulted in continued flight into adverse weather. Factors relating to the accident were: the thunderstorm outflow, and inadequate weather evaluation by the pilot.
- [NTSB LAX95GA219](https://openairdocs.org/ntsb/LAX95GA219.md): Douglas C-54G · Ramona, CA · Accident · 3 fatal · Final report · Jun 21, 1995 · N4989P · 2 aircraft · Destroyed
  > Inadequate visual lookout by the Beech 58P pilot, and the operator's inadequate procedures concerning 360-degree overhead approaches.
- [NTSB BFO95LA070](https://openairdocs.org/ntsb/BFO95LA070.md): Piper PA-38-112 · Utica, NY · Accident · Minor injuries · Limited investigation · Final report · Jun 21, 1995 · N2423A · Substantial damage
  > The pilot's improper retraction of the flaps.
- [NTSB LAX95LA218](https://openairdocs.org/ntsb/LAX95LA218.md): ED Bergreen KIS · San Leandro, CA · Accident · Minor injuries · Limited investigation · Final report · Jun 20, 1995 · N62TW · Substantial damage
  > the pilot's poor preflight preparation and in-flight decision to overfly a suitable airport when it was evident that he was having an engine problem. The fuel exhaustion was a factor in this accident.
- [NTSB BFO95LA066](https://openairdocs.org/ntsb/BFO95LA066.md): Drake Moni · Pittsfield, MA · Accident · 1 fatal · Limited investigation · Final report · Jun 18, 1995 · N787DD · Destroyed
  > the pilot's failure to maintain/regain control of the aircraft during the simulated engine-out procedure while on approach to landing.
- [NTSB SEA95FA120](https://openairdocs.org/ntsb/SEA95FA120.md): Cessna 175A · Moab, UT · Accident · 1 fatal · Field investigation · Final report · Jun 17, 1995 · N6970E · Destroyed
  > The pilot's failure to maintain proper altitude in the visual flight rules (VFR) traffic pattern. Contributing to the accident were the pilot's failure to follow dispatch procedures, the dark night conditions, and the unavailability of the airport's…
- [NTSB LAX95LA211](https://openairdocs.org/ntsb/LAX95LA211.md): Harmon Dolphin · Paso Robles, CA · Accident · 1 fatal · Limited investigation · Final report · Jun 17, 1995 · N89JH · Destroyed
  > The pilot's decision continue VFR flight into instrument meteorological conditions (IMC), loss of aircraft control due to spatial disorientation, and exceeding the design stress limits of the airplane. The weather condition was a related factor.
- [NTSB BFO95LA061](https://openairdocs.org/ntsb/BFO95LA061.md): Consolidated-Vultee BT-13B · Oxford, CT · Accident · Serious injuries · Limited investigation · Final report · Jun 11, 1995 · N79175 · Substantial damage
  > the pilot's failure to maintain sufficient altitude/clearance from terrain. The low ceiling was a related factor in the accident.
- [NTSB BFO95LA060](https://openairdocs.org/ntsb/BFO95LA060.md): Bronislaus Challenger II · Burlington, CT · Accident · Serious injuries · Limited investigation · Final report · Jun 10, 1995 · N8101Z · Destroyed
  > A loss of engine power for an undetermined reason(s), the 30-hour student pilot's poor judgment in allowing himself to receive dual instruction in an airplane not equipped with dual conntols, the cfi's poor judgment in attempting to give instruction to a…
- [NTSB BFO95FA058](https://openairdocs.org/ntsb/BFO95FA058.md): Cessna 150L · Highgate, VT · Accident · 3 fatal · Field investigation · Final report · Jun 10, 1995 · N10913 · 2 aircraft · Substantial damage
  > the failure of both pilots to see and avoid each other. A factor was the Cessna 172H pilot's impairment due to medication.
- [NTSB SEA95LA116](https://openairdocs.org/ntsb/SEA95LA116.md): Republic RC-3 · Blakely Island, WA · Accident · No injuries · Limited investigation · Final report · Jun 9, 1995 · N114N · Destroyed
  > An undetermined loss of engine power and suitable terrain was not available.
- [NTSB FTW95LA392](https://openairdocs.org/ntsb/FTW95LA392.md): Grumman G-164B · Springlake, TX · Accident · No injuries · Limited investigation · Final report · Jun 8, 1995 · N211JM · Substantial damage
  > The loss of engine power due to the uncontained failure of the third stage turbine wheel. A factor was the lack of suitable terrain for the forced landing.
- [NTSB MIA95FA145](https://openairdocs.org/ntsb/MIA95FA145.md): Piper PA-32-260 · Gainesville, FL · Accident · 6 fatal · Field investigation · Final report · Jun 7, 1995 · N41481 · Destroyed
  > The pilot's loss of aircraft control due to spatial disorientation after continuing the VFR flight into instrument meteorological conditions. Factors relating to the accident were: the existing weather conditions and dark night that contributed to the pilot's…
- [NTSB CHI95LA173](https://openairdocs.org/ntsb/CHI95LA173.md): Cessna 150L · St. Charles, MO · Accident · Minor injuries · Limited investigation · Final report · Jun 7, 1995 · N6605G · Substantial damage
  > the student pilot's inadvertent interference with flight controls which resulted in a stall. A factor associated with the accident was the student's excessive use of the elevator control.
- [NTSB SEA95LA114](https://openairdocs.org/ntsb/SEA95LA114.md): Cessna 150J · Miles City, MT · Accident · No injuries · Limited investigation · Final report · Jun 6, 1995 · N51146 · Substantial damage
  > The flight instructor's inadequate supervision. Factors to the accident were: The student pilot's failure to maintain aircraft control and the downdraft.
- [NTSB FTW95FA226](https://openairdocs.org/ntsb/FTW95FA226.md): Piper PA-23-160 · Palestine, TX · Accident · 3 fatal · Field investigation · Final report · Jun 5, 1995 · N4187P · Destroyed
  > Loss of aircraft control during a go-around, due to failure of the flight instructor (CFI) to assure that the minimum control speed (VMC) was maintained. Factors relating to the accident were: shutdown of the left engine, which would have prevented normal…
- [NTSB ATL95LA117](https://openairdocs.org/ntsb/ATL95LA117.md): Piper PA-24-250 · Columbia, SC · Accident · No injuries · Limited investigation · Final report · Jun 4, 1995 · N7392P · Substantial damage
  > The misalignment of the nose gear centering track and roller assemblies which precluded landing gear extension.
- [NTSB CHI95LA166](https://openairdocs.org/ntsb/CHI95LA166.md): Piper PA-28-161 · Valparaiso, IN · Accident · Serious injuries · Limited investigation · Final report · Jun 3, 1995 · N8447T · Destroyed
  > The pilot's improper execution of the ILS approach. Factors related to the accident were the fog and the pilot's lack of total flight time in actual instrument conditions.
- [NTSB LAX95LA200](https://openairdocs.org/ntsb/LAX95LA200.md): Eurocopter AS-355F1 · Lost Hills, CA · Accident · No injuries · Limited investigation · Final report · Jun 1, 1995 · N5871D · Substantial damage
  > the pilot's in-flight loss of control and failure to maintain a proper descent rate due to spatial disorientation and lack of visual cues during a dark, night approach to a unimproved landing zone, and his failure to initiate a go-around when he first lost…
- [NTSB MIA95LA140](https://openairdocs.org/ntsb/MIA95LA140.md): Moncrief Zodiac 601 · Fernandina Bch, FL · Accident · No injuries · Limited investigation · Final report · May 28, 1995 · N18FL · Substantial damage
  > The failure of maintenance personnel to adequately torque the propeller bolts during the last inspection resulting in the bolt failures and the loss of the propeller.
- [NTSB MIA95LA139](https://openairdocs.org/ntsb/MIA95LA139.md): Cessna 182A · Vero Beach, FL · Accident · No injuries · Limited investigation · Final report · May 28, 1995 · N4905D · Substantial damage
  > Total loss of engine power for undetermined reasons while on final approach to land and unsuitable terrain encountered during the landing roll.
- [NTSB ATL95LA100](https://openairdocs.org/ntsb/ATL95LA100.md): Beech 95-A55 · Tuskeegee, AL · Accident · Minor injuries · Limited investigation · Final report · May 28, 1995 · N401W · Substantial damage
  > The pilot's inadequate preflight planning that resulted in fuel exhaustion.
- [NTSB NYC95LA122](https://openairdocs.org/ntsb/NYC95LA122.md): Cessna 172N · Weston, WV · Accident · 2 fatal · Limited investigation · Final report · May 27, 1995 · N5085G · Destroyed
  > the pilot's failure to maintain airspeed which resulted in an inadvertent stall, and a subsequent uncontrolled descent and collision with the ground.
- [NTSB LAX95LA193](https://openairdocs.org/ntsb/LAX95LA193.md): Cessna 172F · Boonville, CA · Accident · No injuries · Limited investigation · Final report · May 26, 1995 · N5255F · Substantial damage
  > a loss of engine power for undetermined reasons.
- [NTSB NYC95LA124](https://openairdocs.org/ntsb/NYC95LA124.md): Bailey Quickie Q-2 · Woodsfield, OH · Accident · 1 fatal · Limited investigation · Final report · May 24, 1995 · N29BD · Destroyed
  > The loss engine power for undetermined reason and the pilot's failure to maintain control which resulted in an inflight collision with terrain.
- [NTSB FTW95LA217](https://openairdocs.org/ntsb/FTW95LA217.md): Grumman G-164A · Ville Platte, LA · Accident · No injuries · Limited investigation · Final report · May 23, 1995 · N48538 · Substantial damage
  > The pilot's failure to clear a levee during the approach. A factor was a truck parked on the runway.
- [NTSB FTW95FA206](https://openairdocs.org/ntsb/FTW95FA206.md): North American T-6G · Beaumont, TX · Accident · 2 fatal · Field investigation · Final report · May 21, 1995 · N2449 · Destroyed
  > The pilot's failure to perform a go-around and his failure to maintain airspeed. Factors in the accident were improper runway alignment and an aft center of gravity.
- [NTSB SEA95FA103](https://openairdocs.org/ntsb/SEA95FA103.md): Cessna 177RG · Kent, WA · Accident · 2 fatal · Field investigation · Final report · May 20, 1995 · N9ER · Destroyed
  > The pilot's misjudgment of distance and altitude during the approach. Factors in the accident were the dusk light condition and the shadows.
- [NTSB FTW95LA212](https://openairdocs.org/ntsb/FTW95LA212.md): Piper PA-23-160 · Owasso, OK · Accident · No injuries · Limited investigation · Final report · May 20, 1995 · N3245P · Substantial damage
  > The failures of the landing gear hydraulic pump and the emergency gear extension system as result of inadequate maintenance by maintenance personnel.
- [NTSB CHI95FA153](https://openairdocs.org/ntsb/CHI95FA153.md): Ryan Navion · Sturgis, MI · Accident · 1 fatal · Field investigation · Final report · May 19, 1995 · N4568K · Destroyed
  > the pilot's inadequate compensation for wind conditions during the attempted landing and go-around. A factor was the crosswind weather condition.
- [NTSB SEA95FA101](https://openairdocs.org/ntsb/SEA95FA101.md): Piper PA-34-200T · Cheyenne, WY · Accident · 1 fatal · Field investigation · Final report · May 17, 1995 · N2883D · Destroyed
  > failure of the pilot to maintain sufficient altitude/clearance from rising terrain. Factors relating to the accident were: low light conditions at dusk, low ceilings with thunderstorms in the area, and continued flight by the pilot into adverse weather…
- [NTSB FTW95LA204](https://openairdocs.org/ntsb/FTW95LA204.md): Piper PA-28-181 · Baytown, TX · Accident · Minor injuries · Limited investigation · Final report · May 16, 1995 · N75256 · Substantial damage
  > The pilot failed to maintain the proper glidepath during landing.
- [NTSB FTW95LA194](https://openairdocs.org/ntsb/FTW95LA194.md): Cessna 177B · Casa, AR · Accident · Serious injuries · Limited investigation · Final report · May 10, 1995 · N34628 · Substantial damage
  > The pilot's failure to maintain obstacle clearance.
- [NTSB SEA95LA096](https://openairdocs.org/ntsb/SEA95LA096.md): Cessna A185F · Oroville, WA · Accident · No injuries · Limited investigation · Final report · May 9, 1995 · N1684R · Substantial damage
  > Water contamination in the fuel, and the pilot's inadequate preflight of the aircraft before flight. Factors related to the accident were: deteriorated seal(s) on the fuel tank cap(s), non-compliance with an airworthiness directive to prevent water leaking…
- [NTSB NYC95FA105](https://openairdocs.org/ntsb/NYC95FA105.md): Beech BE60 · Olney, IL · Accident · 2 fatal · Field investigation · Final report · May 9, 1995 · N81TS · Destroyed
  > The pilot's improper IFR procedures by descending below the minimum descent altitude and not executing the published missed approach procedures. A factor in thE accident was the low overcast and fog conditions.
- [NTSB NYC95FA103](https://openairdocs.org/ntsb/NYC95FA103.md): Robinson R-22 Beta · Toano, VA · Accident · 1 fatal · Field investigation · Final report · May 9, 1995 · N8311A · Substantial damage
  > The pilot misjudged altitude and distance which resulted in an undershoot of the landing area and collision with water. Contributing factors are inadequate helipad lighting and a dark night light condition.
- [NTSB FTW95FA186](https://openairdocs.org/ntsb/FTW95FA186.md): Bell 206L-3 · Venice, LA · Accident · 1 fatal · Field investigation · Final report · May 2, 1995 · N347AL · Destroyed
  > Loss of engine power due to ingestion of exhaust fumes from an oil platform flare boom.
- [NTSB FTW95FA184](https://openairdocs.org/ntsb/FTW95FA184.md): Piper PA-28-180 · Porter, TX · Accident · Serious injuries · Field investigation · Final report · Apr 30, 1995 · N7573W · Destroyed
  > The pilot's failure to identify the unsafe condition created by carrying a battery with jumper cables attached in the baggage compartment and the ensuing fire in the baggage compartment.
- [NTSB BFO95FA048](https://openairdocs.org/ntsb/BFO95FA048.md): Piper PA-28-180 · Louisa, VA · Accident · 1 fatal · Field investigation · Final report · Apr 30, 1995 · N20LA · Destroyed
  > the non-instrument rated private pilot's continued VFR flight into IMC and failure to maintain adequate altitude/clearance from terrain/obstacles. Related factors were the pilot's lack of total experience in IMC operations, his failure to obtain a preflight…
- [NTSB MIA95LA123](https://openairdocs.org/ntsb/MIA95LA123.md): Beech B95 · Leakesville, MS · Accident · Serious injuries · Limited investigation · Final report · Apr 29, 1995 · N9902R · Substantial damage
  > The failure of the pilot-in-command to operate the aircraft in accordance with manufacturer's limitations resulting in fuel starvation and a total loss of power in both engines.
- [NTSB FTW95LA183](https://openairdocs.org/ntsb/FTW95LA183.md): Cessna 340A · Dallas, TX · Accident · No injuries · Limited investigation · Final report · Apr 28, 1995 · N300JM · Substantial damage
  > The pilot's failure to maintain aircraft control during landing. A factor was the loss of engine power for undetermined reasons.

Next page: https://openairdocs.org/ntsb-phases/500/cases.md?page=130

## 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=129

---
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.