# NTSB investigations: Robinson Helicopter R22 BETA, 1998

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 ATL99LA033](https://openairdocs.org/ntsb/ATL99LA033.md): Robinson R-22B · Lantana, FL · Accident · No injuries · Limited investigation · Final report · Dec 10, 1998 · N2321X · Substantial damage
  > The pilot's improper use of the flight controls during an attempted autorotation.
- [NTSB SEA99LA019](https://openairdocs.org/ntsb/SEA99LA019.md): Robinson R-22B · Carnation, WA · Accident · No injuries · Limited investigation · Final report · Dec 6, 1998 · N2304W · Substantial damage
  > The pilot's failure to maintain clearance with a wire. Related factors were the pilot's performance of a low pass, a transmission wire, and difficulty encountered by the pilot in detecting the wire visually.
- [NTSB DEN99FA024](https://openairdocs.org/ntsb/DEN99FA024.md): Robinson R-22 Beta II · Deming, NM · Accident · 1 fatal · Field investigation · Final report · Dec 4, 1998 · N8340J · Destroyed
  > The pilot's failure to maintain clearance of the transmission wire. Factors were the transmission wire, and the glaring sunlight condition.
- [NTSB LAX99FA006](https://openairdocs.org/ntsb/LAX99FA006.md): Robinson R-22 · Lowerlake, CA · Accident · 2 fatal · Field investigation · Final report · Oct 5, 1998 · N801EH · Destroyed
  > The flight instructor's failure to adequately supervise the conduct of the flight and the failure of the flying pilot to ensure that adequate ground clearance existed between the stinger/tail rotor and the ground during a deceleration while the aircraft was…
- [NTSB LAX98LA311](https://openairdocs.org/ntsb/LAX98LA311.md): Robinson R22B · Salinas, CA · Accident · Serious injuries · Limited investigation · Final report · Sep 30, 1998 · N8340D · Destroyed
  > The failure of the student pilot to maintain control of the aircraft while practicing autorotations.
- [NTSB LAX98LA274](https://openairdocs.org/ntsb/LAX98LA274.md): Robinson R22B · Ramona, CA · Accident · No injuries · Limited investigation · Final report · Aug 21, 1998 · N2335Q · Substantial damage
  > The failure of the pilot to maintain rotor rpm while practicing autorotations and subsequent hard landing and roll over.
- [NTSB FTW98LA278](https://openairdocs.org/ntsb/FTW98LA278.md): Robinson R22 Beta · Freer, TX · Accident · No injuries · Limited investigation · Final report · Jun 21, 1998 · N982SH · Substantial damage
  > The pilot's failure to maintain tail rotor-ground clearance due to his improper flare while hovering.
- [NTSB LAX98LA170](https://openairdocs.org/ntsb/LAX98LA170.md): Robinson R22B · San Luis Obispo, CA · Accident · No injuries · Limited investigation · Final report · May 22, 1998 · N2312N · Substantial damage
  > The flight instructor's inadequate compensation for wind conditions, and his failure to maintain aircraft control. Contributing was wind gusts.
- [NTSB LAX98LA160](https://openairdocs.org/ntsb/LAX98LA160.md): Robinson R22B · San Jose, CA · Accident · No injuries · Limited investigation · Final report · May 16, 1998 · N2332G · Substantial damage
  > The student pilot's failure to maintain adequate rotor rpm, and the flight instructor's inadequate supervision of the flight.
- [NTSB LAX98LA146](https://openairdocs.org/ntsb/LAX98LA146.md): Robinson R-22 Beta · Sacramento, CA · Accident · No injuries · Limited investigation · Final report · Apr 28, 1998 · N805EH · Substantial damage
  > the CFI's failure to follow procedures and directives, and the use of an improper technique to transition from an autorotative descent to a hover, which exceeded the aircraft's performance capabilities and resulted in a unplanned hard landing. The soft…
- [NTSB FTW98LA163](https://openairdocs.org/ntsb/FTW98LA163.md): Robinson R22 Beta · Riviera, TX · Accident · No injuries · Limited investigation · Final report · Mar 31, 1998 · N2628B · Substantial damage
  > The pilot's failure to maintain terrain clearance while performing an evasive maneuver to avoid a charging bull, resulting in a tail rotor blade strike and the failure of the tail rotor drive shaft. Factors were the charging bull and the lack of suitable…
- [NTSB LAX98LA115](https://openairdocs.org/ntsb/LAX98LA115.md): Robinson R22 Beta · San Luis Obispo, CA · Accident · No injuries · Limited investigation · Final report · Mar 15, 1998 · N4079M · Substantial damage
  > The student pilot's inadvertent pulling of the mixture, instead of the carburetor heat, while preparing for the approach, and the flight instructor's inadequate supervision.
- [NTSB LAX98LA083](https://openairdocs.org/ntsb/LAX98LA083.md): Robinson R22 · Oxnard, CA · Accident · No injuries · Limited investigation · Final report · Jan 31, 1998 · N2308X · Substantial damage
  > The pilot's improper use of the collective during the initiation of the rollover, which prevented the recovery from the condition.

## 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") = 1998
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('7640110', '7640103'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=7640110&year=1998

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