# NTSB investigations: Rotorway RW152

A list on [Rotorway RW152](https://openairdocs.org/engine/rotorway-rw152.md).

Matched to the registry by N-number and event date, newest first.

- [NTSB CEN24FA248](https://openairdocs.org/ntsb/CEN24FA248.md): Rotorway Scorpion 133 · Andale, KS · Accident · 1 fatal · Class 3 · Field · Final report · Jul 5, 2024 · N51017 · Destroyed
  > The pilot’s abrupt control inputs, which resulted in a low-G condition, main rotor mast bumping, and subsequent severing of the tailboom by the main rotor blades.
- [NTSB ERA24LA263](https://openairdocs.org/ntsb/ERA24LA263.md): Rotorway Exec · Alva, FL · Accident · No injuries · Class 3 · Limited · Final report · Jun 14, 2024 · N99TE · Substantial damage
  > A loss of tail rotor control as a result of unsecured tail rotor drive belt tensioner bolts.
- [NTSB ERA13LA087](https://openairdocs.org/ntsb/ERA13LA087.md): Rotorway DB-1 · Mayland, TN · Accident · Minor injuries · Limited investigation · Final report · Dec 13, 2012 · N828X · Substantial damage
  > The pilot’s failure to maintain helicopter control following a high-side governor failure for reasons that could not be determined during postaccident examination.
- [NTSB CEN11LA305](https://openairdocs.org/ntsb/CEN11LA305.md): D & D Rotorway Exec · Massillon, OH · Accident · Minor injuries · Limited investigation · Final report · Apr 23, 2011 · N614S · Substantial damage
  > The excessive wear on the secondary shaft, from the inner bearing race, which resulted in the transmission clutch disengagement and a loss of power to the rotor system.
- [NTSB NYC07LA030](https://openairdocs.org/ntsb/NYC07LA030.md): Stump Rotorway Exec 90 · Manchester, NH · Accident · No injuries · Limited investigation · Final report · Nov 18, 2006 · N169JS · Substantial damage
  > An improperly installed oil line, which resulted in oil line fatigue failure and a subsequent loss of oil to the engine. A contributing factor was the sloping terrain at the forced landing site.
- [NTSB FTW04LA131](https://openairdocs.org/ntsb/FTW04LA131.md): Cooke Rotorway Exec · Willis, TX · Accident · No injuries · Limited investigation · Final report · May 15, 2004 · N319RC · Substantial damage
  > The partial loss of engine power due to the failure of the #1 cylinder valve retainer clip. A contributing factor was the lack of suitable terrain for the forced landing.
- [NTSB IAD01LA109](https://openairdocs.org/ntsb/IAD01LA109.md): Rhoades Rotorway Exec 162F · Whitehouse, OH · Accident · No injuries · Limited investigation · Final report · Sep 30, 2001 · N25GR · Substantial damage
  > The soft terrain condition, which resulted in the helicopter's rollover during the forced landing. A factor was the loss of engine power due to engine overtemperature for undetermined reasons.
- [NTSB LAX01LA068](https://openairdocs.org/ntsb/LAX01LA068.md): Wallace Rotorway Exec 152 · Placerville, CA · Accident · No injuries · Limited investigation · Final report · Jan 1, 2001 · N94LW · Destroyed
  > The failure of the student pilot to maintain adequate ground clearance while hovering.
- [NTSB IAD00LA071](https://openairdocs.org/ntsb/IAD00LA071.md): Showalter Rotorway 152 · Ravenna, OH · Accident · No injuries · Limited investigation · Final report · Aug 5, 2000 · N11662 · Substantial damage
  > The pilot/owner's inadequate installation of an ignition lead that resulted in a partial loss of engine power and forced landing to unsuitable terrain. A factor in the accident was the soybean crop in the forced landing site.
- [NTSB IAD00LA065](https://openairdocs.org/ntsb/IAD00LA065.md): Rotorway Exec 90 · Circleville, OH · Accident · Serious injuries · Limited investigation · Final report · Jul 23, 2000 · N651GE · Substantial damage
  > Pilot's improper decision to depart a confined area with two people onboard, which resulted in a loss of rotor RPM and collision with a utility pole and wires.
- [NTSB LAX97LA197](https://openairdocs.org/ntsb/LAX97LA197.md): Rotorway 162F · Phoenix, AZ · Accident · 1 fatal · Limited investigation · Final report · May 31, 1997 · N176BT · Destroyed
  > the owner/builder incorrectly installed the tail rotor drive pulley mounting scissors, overtorqued the pivot belts, did not perform the required maintenance lubrication of the pivot belts, and failed to perform adequate visual maintenance checks of these…
- [NTSB IAD96LA094](https://openairdocs.org/ntsb/IAD96LA094.md): Rotorway Exec 152 · Gretna, VA · Accident · No injuries · Limited investigation · Final report · Jun 10, 1996 · N7182Z · Destroyed
  > failure of the bearing assembly shaft insert inside the main rotor shaft. Related factors are the jammed rotorcraft flight control which restricted the pilot's ability to control the helicopter and resulted in a hard touchdown.
- [NTSB NYC95DNC01](https://openairdocs.org/ntsb/NYC95DNC01.md): Wyman Scorpion II · Cornish Flat, NH · Accident · No injuries · Final report · Dec 28, 1994 · N65562 · Destroyed
  > Partial failure and subsequent partial separation of skin on the underside of one main rotor blade, which resulted in a severe vibration, in-flight loss of aircraft control, and impact with the ground during an attempted autorotation.
- [NTSB MIA94LA137](https://openairdocs.org/ntsb/MIA94LA137.md): Richmond Rotorway Executive · Ormond Beach, FL · Accident · Serious injuries · Limited investigation · Final report · May 13, 1994 · N520PR · Substantial damage
  > The pilot in command's improper autorotation following partial loss of engine power which resulted in an inflight collision with a fence prior to ground touchdown.
- [NTSB FTW93FA002](https://openairdocs.org/ntsb/FTW93FA002.md): Clatanoff Rotorway Exec · Wimberley, TX · Accident · 1 fatal · Field investigation · Final report · Oct 2, 1992 · N41KC · Destroyed
  > The delamination of the skin on a main rotor blade.
- [NTSB CHI92DEM01](https://openairdocs.org/ntsb/CHI92DEM01.md): Rose Wesley Rotorway WR Exec · Hudsonville, MI · Accident · No injuries · Final report · Apr 18, 1992 · N6617L · Substantial damage
  > The failure of an intake valve spring. Factors related to the accident were the low altitude at which the autorotation was initiated and the soft terrain on which the helicopter was landed.
- [NTSB BFO92FLQ01](https://openairdocs.org/ntsb/BFO92FLQ01.md): James D. Riehm Rotorway Exec · Bowling Green, KY · Accident · 1 fatal · Final report · Mar 23, 1992 · N191JD · Substantial damage
  > The pilot's failure to maintain adequate rotor RPM which resulted in the inflight loss of control. Contributing to the accident was the pilot's lack of experience and overconfidence in his ability.
- [NTSB BFO91LA012](https://openairdocs.org/ntsb/BFO91LA012.md): Taylor Rotorway Executive · Keysville, VA · Accident · Minor injuries · Limited investigation · Final report · Nov 12, 1990 · N514RT · Substantial damage
  > A jammed engine throttle cable. Factors related to the accident are inadequate maintenance inspection and low rotor RPM.
- [NTSB MKC87DCA02](https://openairdocs.org/ntsb/MKC87DCA02.md): Rotorway Exec · Highridge, MO · Accident · Serious injuries · Final report · Jul 19, 1987 · N275FS · Substantial damage
  > The plt said the helicopter enctrd hi density altitude problems as it was moving out of ground effect drg takeoff. Subsequently, the helicopter settled into trees, then crashed to the ground in an inverted attitude. The temp & dew point were 90 & 77 deg,…

## 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_aircrafts.parquet' a JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c."mKey" = a.case_mkey
WHERE a.engine_model_code IN ('55006')
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/engine/rotorway-rw152/ntsb

---
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.
