# NTSB IAD97LA037: Robinson R22 HP, N8414H, Islip, NY, December 22, 1996 - Type: NTSB accident investigation - Classification: Accident · No injuries · Limited investigation · Final report - Date: December 22, 1996, 09:40 local (14:40 UTC) - Place: Islip, NY - Coordinates: 40.800815, -73.120552 (estimated) - Nearby events: https://openairdocs.org/map.md?lat=40.8008&lon=-73.1206&mi=10 - Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping) - Highest injury: No injuries - Injuries: 2 uninjured - Status: Completed, report March 31, 1998 - Report: Approved by Office Director - NTSB case key (mKey): 28170 - NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=IAD97LA037 - NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/28170/pdf - Page: https://openairdocs.org/ntsb/IAD97LA037 ## Probable cause The students pilot's failure to maintain control of the helicopter and the instructor's inadequate supervision of the flight. ## Sequence of events In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf). - Roll over, hover - in ground effect - aircraft control - inadequate, dual student (cause) - lack of experience, dual student - dynamic rollover - inadvertent, pilot in command(cfi) - supervision - inadequate, pilot in command(cfi) (cause) - In flight collision with terrain/water, descent - uncontrolled ## Analysis The flight instructor stated that the student, who had 13 hours of total flight time, completed the runup and the pre-takeoff check, and lifted the helicopter into a hover. As they started to hover-taxi forward, the student suddenly applied left cyclic, and the left skid struck the ground. Before the instructor could overpower the student, the helicopter went into a dynamic rollover, and came to rest on its left side. ## Factual narrative On December 22, 1996, at about 0940 eastern standard time (EST), a Robinson R-22 helicopter, N8414H, owned and operated by Atlantic Coast Helicopter, struck the ground with the main rotor blades while being hover taxied by a student pilot at the Long Island Macarthur Airport, Islip, New York. The student pilot and certified flight instructor were not injured. The helicopter sustained substantial damage. Visual Meteorological conditions prevailed and no flight plan was filed for the local flight. The instructional flight was conducted under 14 CFR Part 91. The flight instructor stated that the student pilot, who had 13 hours of total flight time, completed the run-up and the pre-takeoff check, and lifted the helicopter into a hover. As they started to hover-taxi forward, the student suddenly applied left cyclic, and the left skid struck the ground. The instructor stated that before he could overpower the student, the helicopter went into a dynamic rollover, and came to rest on its left side, with the engine and rotors stopped. Damage consisted of the main rotors, tail rotor, tail boom and left side of the cabin. ## Aircraft - Registration: [N8414H](https://openairdocs.org/deregistered/N8414H-2013-06-07), registration cancelled 2013-06-07, S/N 0355, built 1983 (OpenAirDocs) - Reported make and model: Robinson R22 HP - Registry model: [Robinson Helicopter R22](https://openairdocs.org/model/robinson-helicopter-r22) (registry code 7640102) (OpenAirDocs) - Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs) - Category: Helicopter - Serial number: 0355 - Airframe hours: 7188 - Engines: Lycoming O320-B2C 160 horsepower reciprocating - Damage: Substantial damage - Flight: Instructional, Part 91 - Operator: Atlantic Coast Helicopter - Registered owner: Atlantic Coast Helicopter - Airworthiness certificate: Standard, Normal - Last inspection: 100 hour, November 16, 1996, 63 hours before - Departed: ISP - Airport: ISP, Long Island Macarthur ## Flight crew As NTSB recorded them. NTSB leaves out names. - Pilot; age 25; flight instructor, commercial; airplane ratings: single-engine land; instrument ratings: airplane; medical: class 2, valid medical--no waivers/lim.; seat: left; flight hours: 527 total, 253 in this make and model, 486 as pilot in command, 49 in the last 90 days, 34 in the last 30 days, 1 in the last 24 hours ## Weather - Conditions: Visual (VMC), Day - Visibility: 10 statute miles - Lowest ceiling: none - Temperature: 39 °F - Altimeter: 30.00 inHg ## FAA reports on this event (1) The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs). - [Accident 19961222047549A](https://openairdocs.org/incident/19961222047549A), Dec 22, 1996: Robsin R22, Islip, NY, Substantial damage. (-16) CFI and student pilot were hover taking at nw FBO ramp at isp they were in an area not controlled by isp ground control. While taxiing the student pilot… ## Other investigations on N8414H (2) From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [NTSB NYC02LA086](https://openairdocs.org/ntsb/NYC02LA086), Apr 20, 2002: Robinson R-22 (N8414H), Islip, NY, substantial damage. Probable cause: The flight instructors failure to maintain aircraft control during a wind gust. A factor in the accident was a sudden gust of wind. - [NTSB ATL84FA045](https://openairdocs.org/ntsb/ATL84FA045), Nov 5, 1983: Robinson R22 (N8414H), Gaithersburg, MD, substantial damage From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. --- 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.