# NTSB investigations: Rotorway RW-145 series

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 WPR18LA050](https://openairdocs.org/ntsb/WPR18LA050.md): Gray Jim Robert Exec · Caldwell, ID · Accident · No injuries · Limited investigation · Final report · Dec 17, 2017 · N716JB · Substantial damage
  > Failure of the oil pressure gauge line, which resulted in oil exhaustion and a total loss of engine power.
- [NTSB WPR17LA009](https://openairdocs.org/ntsb/WPR17LA009.md): Gray Jim Robert Exec 90 · Caldwell, ID · Accident · No injuries · Limited investigation · Final report · Oct 19, 2016 · N716JB · Substantial damage
  > The pilot's failure to properly tighten the tension bolts during the installation of the alternator belt, which resulted in inadequate voltage to sustain ignition and the subsequent partial loss of engine power.
- [NTSB CEN14LA307](https://openairdocs.org/ntsb/CEN14LA307.md): Rotorway Exec 162F · Mt. Comfort, IN · Accident · No injuries · Limited investigation · Final report · Jun 21, 2014 · N6828D · Substantial damage
  > The pilot’s installation of an unauthorized main rotor belt and his subsequent failure to properly inspect the belt, which resulted in inadequate belt tension, the belt’s failure, and the subsequent loss of engine power.
- [NTSB DFW06CA020](https://openairdocs.org/ntsb/DFW06CA020.md): Deussen Alexander II Rotorway Exec · Gibson, LA · Accident · Minor injuries · Data collection · Final report · Nov 5, 2005 · N5436X · Substantial damage
  > The loss of engine power for undetermined reasons. A contributing factor was the lack of suitable terrain for the forced landing.
- [NTSB CHI04CA206](https://openairdocs.org/ntsb/CHI04CA206.md): Tjerrild Rotorway Exec · Eureka, IL · Accident · No injuries · Data collection · Final report · Jul 31, 2004 · N777TJ · Substantial damage
  > The in-flight loss of engine power due to the disconnection of the high tension wire from its ignition coil during cruise flight and the unsuitable terrain the pilot encountered during his forced landing. A factor was the low altitude the helicopter was…
- [NTSB FTW02LA250](https://openairdocs.org/ntsb/FTW02LA250.md): Gray Rotorway Exec 90 · Las Cruces, NM · Accident · No injuries · Limited investigation · Final report · Sep 5, 2002 · N716JB · Substantial damage
  > The pilot's failure to refuel the helicopter, which resulted in fuel exhaustion.
- [NTSB DEN00LA001](https://openairdocs.org/ntsb/DEN00LA001.md): Gray Rotorway Exec · Gallup, NM · Accident · Serious injuries · Limited investigation · Final report · Oct 1, 1999 · N716JB · Substantial damage
  > The pilot inadvertently allowing main rotor rpm to decay while avoiding obstacles during an emergency autorotation following a loss of power for reasons undetermined. Factors were houses and powerlines.
- [NTSB FTW98LA182](https://openairdocs.org/ntsb/FTW98LA182.md): Froberg Rotorway Executive · Sand Springs, OK · Accident · No injuries · Limited investigation · Final report · Apr 13, 1998 · N71RF · Destroyed
  > The failure of the owner/pilot to complete maintenance on the helicopter.
- [NTSB FTW89DPJ04](https://openairdocs.org/ntsb/FTW89DPJ04.md): Fields Rotorway Exec · Oklahoma City, OK · Accident · Minor injuries · Final report · May 14, 1989 · N28276 · Substantial damage
  > The pilot's failure to maintain proper altitude during the hover taxi.
- [NTSB SEA87LA075](https://openairdocs.org/ntsb/SEA87LA075.md): Verbeek Rotorway · Redmond, WA · Accident · No injuries · Limited investigation · Final report · Apr 5, 1987 · N32415 · Substantial damage
  > The plt stated that while at cruise the acft developed a vibration and noise, followed by a power los. The plt then entered into an autorotation and landed onto a rough field. The acft touched down hard and then rolled onto its side. During engine inspection…
- [NTSB FTW85LA129](https://openairdocs.org/ntsb/FTW85LA129.md): Rotorway Exec · Bethany, OK · Accident · No injuries · Limited investigation · Final report · Feb 27, 1985 · N3071 · Substantial damage
  > The owner/builder had a single engine, multi-engine, land rating, but did not have a helicopter rating. While practicing hover flt in his experimental helicopter, he unexpectedly allowed the helicopter to reach a higher than normal alt. He attempted to…
- [NTSB MKC82DA166](https://openairdocs.org/ntsb/MKC82DA166.md): Scorpion 133 · Mondamin, IA · Accident · Minor injuries · Final report · Sep 5, 1982 · N13420 · Substantial damage
  > After a ground adjustment to the collective pitch on his homebuilt helicopter, the pilot tookoff to practice hovering takeoff and landing. In an attempt to hover close to ground, he raised the collective and the aircraft shot up about 30 feet. It then fell…

## 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 c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('55005'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=55005

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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.
