Atlas / NTSB / BFO89LA071

NTSB CAROL · Event

Event BFO89LA071

1989-08-17 MANASSAS, Virginia, United States Airport · W10 None 1 aircraft Status: Completed

Registry · N8557H

FAA Aircraft Registry record.

Make / Model

ROBINSON HELICOPTER R22 ALPHA

Year of manufacture

1985 · 4 years old at event

TCDS

H10WE · ROBINSON HELICOPTER CO

Engine

LYCOMING 0-320 SERIES (180 hp)

Seats / Engines

2 seats · 1 engine

Last airworthiness date

19850118

ADS-B equipped

Yes — Mode-S ABBD40

Registrant of record

LLOYD DAVIS INC

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

N8557H Robinson R22 None

Probable cause & findings

IMPROPER USE OF THE CYCLIC CONTROL BY THE STUDENT PILOT AND HIS FAILURE TO RELINQUISH CONTROL OF THE HELICOPTER TO THE INSTRUCTOR (CFI). A CONTRIBUTING FACTOR WAS THE STUDENT'S LACK OF EXPERIENCE. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1989_BFO89LA071.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.

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Related research

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Academic papers and agency reports matching this event's aircraft type. Sourced from NASA NTRS, NTSB Safety Studies, FAA CAMI, AOPA Air Safety Institute, Embry-Riddle Scholarly Commons, arXiv, and the Semantic Scholar academic graph.

Semantic Scholar 2023 · Article (JMIR mHealth and uHealth)

Clinical Study of a Wearable Remote Rehabilitation Training System for Patients With Stroke: Randomized Controlled Pilot Trial

Background In contrast to the large and increasing number of patients with stroke, clinical rehabilitation resources cannot meet their rehabilitation needs.

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