# NTSB investigations, 2017

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 14 of 33 · 1,635 cases

## Cases, newest first

- [NTSB GAA17CA473](https://openairdocs.org/ntsb/GAA17CA473.md): Cessna 180 · Puntilla, AK · Accident · No injuries · Data collection · Final report · Aug 2, 2017 · N9455C · Destroyed
  > The airplane’s encounter with a downdraft while maneuvering at a low altitude, which resulted in the exceedance of the airplane’s critical angle of attack and a subsequent aerodynamic stall.
- [NTSB GAA17CA472](https://openairdocs.org/ntsb/GAA17CA472.md): Mooney M20 · Skiatook, OK · Accident · No injuries · Data collection · Final report · Aug 2, 2017 · N95442 · Substantial damage
  > The pilot's improper decision to conduct the flight despite the fuel gauges indicating that there was insufficient fuel for the flight, which resulted in the low amount of fuel in the right tank becoming unported during the multiple turns, and his subsequent…
- [NTSB GAA17CA469](https://openairdocs.org/ntsb/GAA17CA469.md): Air Tractor AT 402 · San Angelo, TX · Accident · No injuries · Data collection · Final report · Aug 2, 2017 · N38HT · Substantial damage
  > The pilot’s failure to maintain directional control during the landing roll in crosswind conditions.
- [NTSB GAA17CA466](https://openairdocs.org/ntsb/GAA17CA466.md): AB Sportine Aviacija LAK 17 · Uvalde, TX · Accident · No injuries · Data collection · Final report · Aug 2, 2017 · N128LA · Destroyed
  > The ground crewmember’s failure to fully engage the tow hook release arm during preflight, which resulted in the premature release of the glider at insufficient altitude to complete a safe landing.
- [NTSB ERA17LA263](https://openairdocs.org/ntsb/ERA17LA263.md): Sikorsky S-97A · Jupiter, FL · Accident · Minor injuries · Limited investigation · Final report · Aug 2, 2017 · N971SK · Substantial damage
  > A design change in the helicopter's fly-by-wire control system that resulted in an increase in the sensitivity of the cyclic stick while transitioning from ground to flight mode, magnifying the pilot's control inputs, which resulted in unintentional over…
- [NTSB CEN17WA321](https://openairdocs.org/ntsb/CEN17WA321.md): Robinson R44 · Puerto Chiapas, Mexico · Accident · 1 fatal · Foreign investigation · Aug 2, 2017 · XB-MWZ · Substantial damage
  > On August 2, 2017, about 2115 universal coordinated time, a Robinson R44 helicopter, XB-MWZ, had a loss of engine power and subsequently impacted the Pacific Ocean near Puerto Chiapas, Mexico. Two persons were on board the helicopter. One person was reported…
- [NTSB WPR17LA175](https://openairdocs.org/ntsb/WPR17LA175.md): Grumman AA1 · Phoenix, AZ · Accident · Serious injuries · Limited investigation · Final report · Aug 1, 2017 · N6216L · Substantial damage
  > The partial loss of engine power during initial climb due to the No. 3 cylinder exhaust valve becoming stuck open due to deposit buildup in the exhaust valve stem and guide and the pilot’s exceedance of the airplane’s critical angle of attack while attempting…
- [NTSB WPR17LA174](https://openairdocs.org/ntsb/WPR17LA174.md): Rockwell International S 2R · Brawley, CA · Accident · No injuries · Limited investigation · Final report · Aug 1, 2017 · N4913X · Substantial damage
  > The partial loss of engine power due to the overstress separation of three supercharger drive gear teeth.
- [NTSB WPR17LA172](https://openairdocs.org/ntsb/WPR17LA172.md): Cessna T210F · Llano, CA · Accident · No injuries · Limited investigation · Final report · Aug 1, 2017 · N6109R · Substantial damage
  > A failure of the turbocharger that resulted in complete depletion of the engine oil and catastrophic internal failure of the engine. Contributing to the accident was improper and/or incomplete maintenance and inspection of the turbocharger.
- [NTSB WPR17IA173](https://openairdocs.org/ntsb/WPR17IA173.md): Columbia Aircraft Mfg LC41 550FG · Chandler, AZ · Incident · No injuries · Class 3 · Incident · Final report · Aug 1, 2017 · N8725 · Minor damage
  > The over-tensioning of the accessory belt, which resulted in damage to the starter adapter and subsequent loss of oil that led to oil starvation and catastrophic engine failure.
- [NTSB DCA17WA174](https://openairdocs.org/ntsb/DCA17WA174.md): Boeing 777 · Singapore, Singapore · Accident · Serious injuries · Foreign investigation · Aug 1, 2017 · 9V-SQN · No damage
  > The Transport Safety Investigation Bureau (TSIB) Ministry of Transport of Singapore has notified the NTSB of an accident involving a BOEING 777 airplane that occurred on August 01, 2017. The NTSB has appointed a U.S. Accredited Representative to assist the…
- [NTSB DCA17WA168](https://openairdocs.org/ntsb/DCA17WA168.md): Boeing 737 · Tijuana, Mexico · Incident · No injuries · Foreign investigation · Aug 1, 2017 · N368AR · No damage
  > The Dirección General de Aeronáutica Civil (DGAC) has notified the NTSB of an incident involving a Boeing 737 airplane that occurred on August 01, 2017. The NTSB has appointed a U.S. Accredited Representative to assist the government of Mexico's investigation…
- [NTSB DCA17WA164](https://openairdocs.org/ntsb/DCA17WA164.md): Boeing 747 · Frankfurt, Germany · Incident · No injuries · Foreign investigation · Aug 1, 2017 · D-ABYS · No damage
  > The BFU of Germany has notified the NTSB of an incident involving a Boeing 747 airplane that occurred on August 01, 2017. The NTSB has appointed a U.S. Accredited Representative to assist the BFU's investigation under the provisions of ICAO Annex 13 as the…
- [NTSB CEN17RA377](https://openairdocs.org/ntsb/CEN17RA377.md): Mcdonnell Douglas MD900 · Heiligenblut, Austria · Accident · Minor injuries · Foreign investigation · Aug 1, 2017 · OE-XWF · Substantial damage
  > On August 1, 2017, at 1815 UTC, a McDonnell Douglas MD 900 Helicopter, Austrian registration OE-XWF, impacted mountainous terrain about 8 miles west-northwest of Heiligenblut, Austria. One medical crewmember sustained minor injuries. The pilot, the other…
- [NTSB CEN17LA298](https://openairdocs.org/ntsb/CEN17LA298.md): Cessna 150F · Bullard, TX · Accident · Serious injuries · Limited investigation · Final report · Aug 1, 2017 · N8879S · Substantial damage
  > The partial loss of engine power due to carburetor icing and the pilot's inability to maintain adequate airspeed during the soft-field takeoff, which resulted in an exceedance of the airplane's critical angle-of-attack and an aerodynamic stall.
- [NTSB CEN17FA297](https://openairdocs.org/ntsb/CEN17FA297.md): Piper PA30 · Topeka, KS · Accident · 2 fatal · Field investigation · Final report · Aug 1, 2017 · N22HW · Destroyed
  > The failure of the pilot and flight instructor to maintain aircraft control while maneuvering in the traffic pattern.
- [NTSB WPR17LA177](https://openairdocs.org/ntsb/WPR17LA177.md): Air Tractor AT 802A · Wells, NV · Accident · No injuries · Limited investigation · Final report · Jul 31, 2017 · N70LA · Substantial damage
  > The pilot's failure to maintain directional control during a period of thermal activity, which led to a runway excursion and impact with terrain.
- [NTSB WPR17LA176](https://openairdocs.org/ntsb/WPR17LA176.md): Cessna 172S · Seattle, WA · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 31, 2017 · N957TA · Substantial damage
  > The total loss of engine power due to oil starvation as a result of the loose right magneto, which allowed oil to escape and the engine to seize. Contributing to the accident was inadequate maintenance, which failed to identify the loose magneto bolt.
- [NTSB GAA17CA450](https://openairdocs.org/ntsb/GAA17CA450.md): Robinson Helicopter R44 · Dunlap, IL · Accident · Minor injuries · Data collection · Final report · Jul 31, 2017 · N344MM · Substantial damage
  > The pilot’s failure to visually confirm that the helicopter was disconnected from hoses during refueling operations. Contributing to the accident was the pilot’s and ground crew’s misunderstanding of the hand signals.
- [NTSB CEN17LA306](https://openairdocs.org/ntsb/CEN17LA306.md): Piper PA 28-181 · Denver, CO · Accident · No injuries · Limited investigation · Final report · Jul 31, 2017 · N2146R · Substantial damage
  > The pilot’s failure to maintain directional control while landing.
- [NTSB CEN17LA293](https://openairdocs.org/ntsb/CEN17LA293.md): Chapman T-BIRD II · Potosi, MO · Accident · Serious injuries · Limited investigation · Final report · Jul 31, 2017 · N204BC · Substantial damage
  > The pilot's loss of airplane control during a departure turn for reasons that could not be determined.
- [NTSB GAA17CA536](https://openairdocs.org/ntsb/GAA17CA536.md): Menzimer Gary Ray Firestar · Westfield, PA · Accident · Minor injuries · Data collection · Final report · Jul 30, 2017 · UNREG · Destroyed
  > The pilot's improper decision to operate an airplane without recent flight training and his inadvertent application of left electric rudder trim before flight and a subsequent loss of airplane control.
- [NTSB GAA17CA477](https://openairdocs.org/ntsb/GAA17CA477.md): Let L 23 Super Blanik · Homestead, FL · Accident · No injuries · Data collection · Final report · Jul 30, 2017 · N304MG · Substantial damage
  > The glider’s encounter with atmospheric conditions where the lift was not sufficient to maintain flight, which resulted in the pilot landing short of the intended runway.
- [NTSB GAA17CA470](https://openairdocs.org/ntsb/GAA17CA470.md): Cessna 172 · Carlsbad, CA · Accident · No injuries · Data collection · Final report · Jul 30, 2017 · N497TC · Substantial damage
  > The student pilot’s improper landing flare in gusting wind conditions.
- [NTSB GAA17CA467](https://openairdocs.org/ntsb/GAA17CA467.md): James D Riggs RV-10 · Lawrenceburg, TN · Accident · Serious injuries · Data collection · Final report · Jul 30, 2017 · N616JJ · Substantial damage
  > The pilot’s improper landing flare and failure to maintain yaw control during a go-around in gusting wind conditions.
- [NTSB GAA17CA462](https://openairdocs.org/ntsb/GAA17CA462.md): Champion 7ECA · Butler, PA · Accident · No injuries · Data collection · Final report · Jul 30, 2017 · N9682S · Substantial damage
  > The pilot's failure to maintain directional control during the landing roll in crosswind conditions.
- [NTSB GAA17CA452](https://openairdocs.org/ntsb/GAA17CA452.md): Piper PA28 · St. Joseph, IL · Accident · No injuries · Data collection · Final report · Jul 30, 2017 · N2204B · Substantial damage
  > The pilot’s improper landing flare, which resulted in the nose landing gear collapsing and subsequent loss of directional control.
- [NTSB ERA17LA261](https://openairdocs.org/ntsb/ERA17LA261.md): Cessna 172 · Danbury, CT · Accident · 1 fatal · Limited investigation · Final report · Jul 30, 2017 · N612DF · Substantial damage
  > The pilot's exceedance of the airplane's critical angle of attack during initial climb, which resulted in an aerodynamic stall. Contributing to the accident was the pilot's decision to operate the airplane above its maximum gross weight, which likely reduced…
- [NTSB CEN17LA295](https://openairdocs.org/ntsb/CEN17LA295.md): Steele Acro Sport II · Loudonville, OH · Accident · Minor injuries · Limited investigation · Final report · Jul 30, 2017 · N896JC · Substantial damage
  > A partial loss of engine power due to carburetor icing.
- [NTSB CEN17LA292](https://openairdocs.org/ntsb/CEN17LA292.md): Piper PA 46 350P · Tahlequah, OK · Accident · Minor injuries · Limited investigation · Final report · Jul 30, 2017 · N786MD · Substantial damage
  > The total loss of engine power, which resulted from fatigue failure of two engine through bolts and the No. 2 cylinder attachment studs due to the lack of sufficient clamping force.
- [NTSB WPR17FA171](https://openairdocs.org/ntsb/WPR17FA171.md): Cessna 172N · Big Bear, CA · Accident · 2 fatal · Field investigation · Final report · Jul 29, 2017 · N5381J · Substantial damage
  > The pilot's exceedance of the airplane's critical angle of attack during takeoff in high density altitude conditions, which resulted in an aerodynamic stall, loss of control, and subsequent impact with terrain.
- [NTSB WPR17FA170](https://openairdocs.org/ntsb/WPR17FA170.md): Beech 19A · Waipi'o, HI · Accident · 4 fatal · Field investigation · Final report · Jul 29, 2017 · N6142N · Substantial damage
  > The pilot's controlled flight into terrain for reasons that could not be determined based on the available evidence. Contributing to the accident was the pilot's decision to fly at low altitude in close proximity to the rising terrain.
- [NTSB GAA17CA481](https://openairdocs.org/ntsb/GAA17CA481.md): Mooney M20C · Clearwater, FL · Accident · No injuries · Data collection · Final report · Jul 29, 2017 · N2596W · Substantial damage
  > The pilot’s distraction before landing by a helicopter that was transitioning to the airport and his subsequent failure to extend the landing gear before touchdown.
- [NTSB GAA17CA479](https://openairdocs.org/ntsb/GAA17CA479.md): Cessna 172 · Santa Ana, CA · Accident · No injuries · Data collection · Final report · Jul 29, 2017 · N1129K · Substantial damage
  > A hard landing and propeller strike for reasons that could not be determined based on the available evidence.
- [NTSB GAA17CA460](https://openairdocs.org/ntsb/GAA17CA460.md): Cessna 305 · Eagle Lake, TX · Accident · No injuries · Data collection · Final report · Jul 29, 2017 · N72BD · Substantial damage
  > The pilot’s loss of directional control during landing in variable wind conditions.
- [NTSB GAA17CA456](https://openairdocs.org/ntsb/GAA17CA456.md): Pdps Pzl-Bielsko SZD 55-1 · Mocksville, NC · Accident · No injuries · Data collection · Final report · Jul 29, 2017 · N817V · Substantial damage
  > The pilot’s improper landing flare in gusting wind conditions.
- [NTSB GAA17CA453](https://openairdocs.org/ntsb/GAA17CA453.md): Piper PA36 · McCook, NE · Accident · No injuries · Data collection · Final report · Jul 29, 2017 · N132VA · Substantial damage
  > The pilot's failure to maintain adequate airspeed and his exceedance of the airplane’s critical angle of attack while maneuvering downwind during an agricultural application flight, which resulted in an aerodynamic stall at low altitude.
- [NTSB ERA17LA264](https://openairdocs.org/ntsb/ERA17LA264.md): Consolidated Aeronautics Lake LA 4 · Orlando, FL · Accident · No injuries · Limited investigation · Final report · Jul 29, 2017 · N747CB · Substantial damage
  > A loss of directional control during taxi operations for reasons that could not be determined based on the available information, which resulted in the airplane rolling into a ditch.
- [NTSB WPR17LA169](https://openairdocs.org/ntsb/WPR17LA169.md): Cessna 172A · Enumclaw, WA · Accident · Serious injuries · Limited investigation · Final report · Jul 28, 2017 · N7243T · Substantial damage
  > The pilot's improper approach for landing, which resulted in the airplane landing long, and his delayed decision to go around with insufficient runway remaining, which resulted in collision with an airport perimeter fence.
- [NTSB GAA17CA480](https://openairdocs.org/ntsb/GAA17CA480.md): Thomas J Hankamp VAN'S Aircraft RV4 · Poughkeepsie, NY · Accident · No injuries · Data collection · Final report · Jul 28, 2017 · N9214 · Substantial damage
  > The pilot’s failure to maintain directional control during takeoff.
- [NTSB GAA17CA458](https://openairdocs.org/ntsb/GAA17CA458.md): Randall Marvin L Vans RV 3A · Spokane, WA · Accident · No injuries · Data collection · Final report · Jul 28, 2017 · N16MR · 2 aircraft · Substantial damage
  > The other pilot’s failure to maintain adequate clearance and visual lookout while taxiing, which resulted in his airplane colliding with the stationary airplane.
- [NTSB GAA17CA457](https://openairdocs.org/ntsb/GAA17CA457.md): Swearingen SA26 · Hondo, TX · Accident · No injuries · Data collection · Final report · Jul 28, 2017 · N541GF · Substantial damage
  > The pilot’s failure to extend the landing gear before landing.
- [NTSB GAA17CA455](https://openairdocs.org/ntsb/GAA17CA455.md): Cessna 150 · McKinney, TX · Accident · No injuries · Data collection · Final report · Jul 28, 2017 · N6368K · Substantial damage
  > The student pilot’s improper landing flare, which resulted in bounced landing and the collapse of the nose landing gear.
- [NTSB GAA17CA451](https://openairdocs.org/ntsb/GAA17CA451.md): Mark Goldberg Bearhawk Patrol · Oshkosh, WI · Accident · No injuries · Data collection · Final report · Jul 28, 2017 · N410BP · Substantial damage
  > The pilot's failure to maintain directional control during the landing roll in crosswind conditions, which resulted in a ground loop.
- [NTSB DCA17WA163](https://openairdocs.org/ntsb/DCA17WA163.md): Boeing Boeing 737-330 · Frankfurt-Main, Germany · Incident · No injuries · Foreign investigation · Jul 28, 2017 · G-CELI · No damage
  > The BFU of Germany has notified the NTSB of an incident involving a Boeing 737-330 airplane that occurred on July 28, 2017. The NTSB has appointed a U.S. Accredited Representative to assist the BFU's investigation under the provisions of ICAO Annex 13 as the…
- [NTSB CEN17LA290](https://openairdocs.org/ntsb/CEN17LA290.md): Helicopteres Guimbal Cabri G2 · Beaumont, TX · Accident · Minor injuries · Limited investigation · Final report · Jul 28, 2017 · N722TX · Substantial damage
  > The flight instructor's low-altitude maneuvering, which exceeded the helicopter's performance capability in the high-density altitude conditions and resulted in a loss of control.
- [NTSB CEN17FA287](https://openairdocs.org/ntsb/CEN17FA287.md): Aerofab Lake LA 4 250 · Oshkosh, WI · Accident · 2 fatal · Field investigation · Final report · Jul 28, 2017 · N1400P · Substantial damage
  > The pilot's failure to properly configure the airplane for takeoff and his decision to takeoff with a tailwind in unfavorable water conditions, which resulted in the airplane entering an aerodynamic stall and the pilot losing control.
- [NTSB WPR17LA167](https://openairdocs.org/ntsb/WPR17LA167.md): Robinson Helicopter R44 II · Santa Ana, CA · Accident · No injuries · Limited investigation · Final report · Jul 27, 2017 · N7535G · Substantial damage
  > The pilot's failure to maintain helicopter control while maneuvering during takeoff.
- [NTSB GAA17CA459](https://openairdocs.org/ntsb/GAA17CA459.md): Rockwell International S 2R · McRae, GA · Accident · No injuries · Data collection · Final report · Jul 27, 2017 · N4886X · Substantial damage
  > The pilot’s failure to maintain directional control during the landing roll in tailwind conditions.
- [NTSB GAA17CA445](https://openairdocs.org/ntsb/GAA17CA445.md): Cessna 170 · San Andreas, CA · Accident · No injuries · Data collection · Final report · Jul 27, 2017 · N5596C · Substantial damage
  > The pilot’s improper landing flare during an aborted go-around in gusting wind conditions, which resulted in a hard landing.

Next page: https://openairdocs.org/ntsb.md?year=2017&page=15

## 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") = 2017
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?page=14&year=2017

---
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.