# NTSB investigations, 2016: Flight control sys malf/fail

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.

## Latest cases

- [NTSB DCA17WA056](https://openairdocs.org/ntsb/DCA17WA056.md): Boeing 737 · Paris, France · Incident · No injuries · Foreign investigation · Dec 30, 2016 · CN-ROJ · No damage
  > The Bureau d'Enquêtes et d'Analyses (BEA) of France has notified the NTSB of an incident involving a BOEING 737 airplane that occurred on December 30, 2016. The NTSB has appointed a U.S. Accredited Representative to assist the government of France's…
- [NTSB WPR17WA039](https://openairdocs.org/ntsb/WPR17WA039.md): Robinson R44 · Juhu, India · Accident · 1 fatal · Foreign investigation · Dec 11, 2016 · VT-PHB · Destroyed
- [NTSB CEN17FA012](https://openairdocs.org/ntsb/CEN17FA012.md): Fairchild Hiller FH 1100 · Lino Lakes, MN · Accident · 2 fatal · Field investigation · Final report · Oct 6, 2016 · N4035G · Destroyed
  > The separation of the main rotor assembly due to mast bumping.
- [NTSB WPR17LA002](https://openairdocs.org/ntsb/WPR17LA002.md): Tamarack Helicopters UH-1H · Gila Bend, AZ · Accident · Minor injuries · Limited investigation · Final report · Oct 5, 2016 · N175SF · Substantial damage
  > The separation of the 90° tail rotor gearbox assembly as a result of fatigue to the tail rotor gearbox input quill assembly attachment studs due to the helicopter experiencing highly repetitive agricultural flight profiles for which it was not designed.
- [NTSB WPR17CA001](https://openairdocs.org/ntsb/WPR17CA001.md): Cessna R172K · Rosamond, CA · Accident · No injuries · Data collection · Final report · Oct 2, 2016 · N736LZ · Substantial damage
  > The pilot's improper use of the control lock, combined with his incomplete execution of two pre-departure procedures, which resulted in a takeoff with the control lock installed.
- [NTSB DCA16WA229](https://openairdocs.org/ntsb/DCA16WA229.md): Pulse Vapor 55 · Ballina, Australia · Incident · No injuries · Foreign investigation · Sep 28, 2016 · LHB270916
  > The Australian Transport Safety Bureau (ATSB) has notified the NTSB of an incident involving a Pulse Vapor 55 unmanned helicopter that occurred on September 28, 2016. The NTSB has appointed a U.S. Accredited Representative to assist the ATSB's investigation…
- [NTSB ERA16LA322](https://openairdocs.org/ntsb/ERA16LA322.md): Aero Vodochody L 39 · Norfolk, VA · Accident · No injuries · Limited investigation · Final report · Sep 23, 2016 · N139AJ · Substantial damage
  > An uncommanded flap retraction for reasons that could not be determined, as a postaccident examination of the flap system did not reveal evidence of any preaccident anomalies.
- [NTSB GAA16CA476](https://openairdocs.org/ntsb/GAA16CA476.md): Luscombe 8 · Juneau, WI · Accident · No injuries · Data collection · Final report · Sep 10, 2016 · N1263K · Substantial damage
  > The pilot's failure to maintain directional control during the landing roll in gusting crosswind conditions, which resulted in a runway excursion. Contributing to the accident was the foot pad cover slipping off the right rudder pedal during the landing roll.
- [NTSB CEN16CA359](https://openairdocs.org/ntsb/CEN16CA359.md): Beech 58 · Wichita Falls, TX · Accident · No injuries · Data collection · Final report · Aug 26, 2016 · N15MD · Substantial damage
  > The incorrect maintenance of the airplane's ventilation system which resulted in an obstruction of the elevator control system.
- [NTSB ERA16LA293](https://openairdocs.org/ntsb/ERA16LA293.md): Cessna 150G · Shirley, NY · Accident · No injuries · Class 3 · Limited · Final report · Aug 13, 2016 · N3666J · Substantial damage
  > Maintenance personnel’s inadequate maintenance and inspection of the airplane, which resulted in the left elevator attachment bolt backing out of the nutplate, and partial inflight separation and damage of the elevator.
- [NTSB ERA16FA248](https://openairdocs.org/ntsb/ERA16FA248.md): Bell Helicopter Textron Canada 407 · Hickory, KY · Accident · 1 fatal · Field investigation · Final report · Jul 11, 2016 · N427TV · Substantial damage
  > Company maintenance personnel's inappropriate removal without replacement of the safety wires on the collective lever pin screws during a recent maintenance inspection, which resulted in the screws backing out and led to a loss of collective control in flight.
- [NTSB CEN16LA244](https://openairdocs.org/ntsb/CEN16LA244.md): Pollack Quicksilver SPRINT2S · Bullard, TX · Accident · No injuries · Limited investigation · Final report · Jul 3, 2016 · N250AB · Substantial damage
  > A loss of airplane control during landing for reasons that could not be determined, because the airplane sank and was not recovered.
- [NTSB ANC16LA034](https://openairdocs.org/ntsb/ANC16LA034.md): De Havilland DHC3 · Homer, AK · Accident · No injuries · Limited investigation · Final report · Jun 19, 2016 · N104BM · Substantial damage
  > An in-flight collision with a bald eagle, which resulted in substantial damage to the left wing.
- [NTSB CEN16LA230](https://openairdocs.org/ntsb/CEN16LA230.md): Glaeser Nieuport 11 · Gardner, KS · Accident · No injuries · Limited investigation · Final report · Jun 18, 2016 · N124TG · Substantial damage
  > The pilot's diverted attention during the approach for the precautionary landing, which resulted in low airspeed, an exceedance of the airplane’s critical angle of attack, and a subsequent aerodynamic stall. Contributing to the accident was the control system…
- [NTSB WPR16LA099](https://openairdocs.org/ntsb/WPR16LA099.md): Bell 47G 5 · San Ardo, CA · Accident · Minor injuries · Class 3 · Limited · Final report · Apr 29, 2016 · N6288N · Substantial damage
  > The failure of the pin in the outboard end of the lateral flight control torque tube.
- [NTSB GAA16LA182](https://openairdocs.org/ntsb/GAA16LA182.md): Hughes 369 · Weatherford, TX · Accident · Serious injuries · Limited investigation · Final report · Apr 8, 2016 · N298SD · Substantial damage
  > The pilot/mechanic's inadequate postmaintenance and preflight inspections, which resulted in his failure to remove the antitorque pedal lock and a subsequent loss of control during hover operations.
- [NTSB DCA16WA104](https://openairdocs.org/ntsb/DCA16WA104.md): Boeing 747 · Jeddah, Saudi Arabia · Incident · No injuries · Foreign investigation · Mar 9, 2016 · TF-AMU · No damage
  > The government of Saudi Arabia has notified the NTSB of an accident involving a BOEING 747 airplane that occurred on March 09, 2016. The NTSB has appointed a U.S. Accredited Representative to assist the government of Saudi Arabia's investigation under the…
- [NTSB CEN16WA110](https://openairdocs.org/ntsb/CEN16WA110.md): Piper PA23 · Saint François, Guadeloupe · Accident · No injuries · Foreign investigation · Feb 22, 2016 · N539EG · Destroyed
  > On February 22, 2016, a Piper PA-23-250 airplane, N539EG, sank after ditching near the Saint François Airport (TFFC), Saint François, Guadeloupe (France). The pilot was not injured.This investigation is under the jurisdiction and control of the French…
- [NTSB ANC16WA070](https://openairdocs.org/ntsb/ANC16WA070.md): Piper PA-28-140 · St Andrews, Canada · Accident · No injuries · Foreign investigation · Feb 13, 2016 · C-GQPN · No damage
  > On February 13, 2016, about 2039 Coordinated Universal Time (UTC), a Piper PA-28-140 airplane, (Canadian Registration C-GQPN) was on approach to St. Andrews, MB (CYAV) with an instructor and a student on board. Prior to touch down at approximately 50 feet…
- [NTSB CEN16IA103](https://openairdocs.org/ntsb/CEN16IA103.md): Cessna 560 · Dallas, TX · Incident · No injuries · Incident investigation · Final report · Feb 9, 2016 · N774SB · No damage
  > The loss of aileron trim due to the lack of separation between the cannon head on the back of autopilot cannon plug and the aileron trim tab control gear. Contributing to the incident was the lack of guidance in the airplane maintenance manual to verify…

## 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") = 2016
  AND c."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '333' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent"))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/333/sequence?year=2016

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