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Aviation safety reports, made easier to study

NTSB Reports is an independent research and search tool for public aviation accident and incident records. It brings NTSB aviation reports, structured fields, docket files, extracted figures, photos, videos, and update history into one searchable interface.

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NTSB Report

May 26, 1989 · Bell 47D-1 · N2202C

Ardmore, OK

Overview

Report Status
Probable Cause
Event Type
Accident
Date
May 26, 1989
Injury Outcomes
No injuries (2 uninjured)
Location
Ardmore, OK
Aircraft
Bell 47D-1
Tail Number
N2202C
Injuries
None
Aircraft Damage
Substantial
NTSB Number
FTW89LA104

ACFT WAS DAMAGED AS A RESULT OF A HARD LNDG DURING A PRACTICE TOUCHDOWN AUTOROTATION THAT WAS BEING DEMONSTRATED BY THE CFI TO THE STUDENT PLT. WINDS HAD INCREASED DURING THE INSTRUCTIONAL FLT TO THE PT THAT THE STUDENT WAS HAVING A HARD TIME CONTROLLING THE ACFT, WHEN THE CFI DECIDED TO DEMONSTARTE AUTOROTATIONS. DURING THE 2ND AUTO, THE ACFT DEVELOPED A HIGH SINK RATE DURING FINAL DESCENT WHICH THE CFI COULD NOT ARREST PRIOR TO THE HARD LANDING. THE CFI STATED THAT THE WINDS WERE NORTHERLY AT 13 KTS GUSTONG TO 21 KTS AND THAT HE FELT THEY CONTRIBUTED TO THE ACCIDENT.

NTSB Probable Cause

THE FLIGHT INSTRUCTOR FAILED TO RECOGNIZE THAT THE AIRCRAFT WAS DEVELOPING A DANGEROUS SINK RATE DURING THE AUTOROTATION AND TAKE CORRECTIVE ACTION BY EXECUTING A POWER RECOVERY. CONTRIBUTING TO THE ACCIDENT WERE THE GUSTY WIND CONDITIONS.

Full Narrative

ACFT WAS DAMAGED AS A RESULT OF A HARD LNDG DURING A PRACTICE TOUCHDOWN AUTOROTATION THAT WAS BEING DEMONSTRATED BY THE CFI TO THE STUDENT PLT. WINDS HAD INCREASED DURING THE INSTRUCTIONAL FLT TO THE PT THAT THE STUDENT WAS HAVING A HARD TIME CONTROLLING THE ACFT, WHEN THE CFI DECIDED TO DEMONSTARTE AUTOROTATIONS. DURING THE 2ND AUTO, THE ACFT DEVELOPED A HIGH SINK RATE DURING FINAL DESCENT WHICH THE CFI COULD NOT ARREST PRIOR TO THE HARD LANDING. THE CFI STATED THAT THE WINDS WERE NORTHERLY AT 13 KTS GUSTONG TO 21 KTS AND THAT HE FELT THEY CONTRIBUTED TO THE ACCIDENT.

Flight

Event TypeAccident
Event Time17:15 CDT
Nearest AirportArdmore Downtown (0nm N)
Runway0
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo

Aircraft

AircraftBell 47D-1
Tail NumberN2202C
Aircraft CategoryHeli
DamageSubstantial
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsFranklin · 210 · Reciprocating · 210
Seats2

People & Injuries

Injury SummaryNo injuries (2 uninjured)
Fatal0
Serious0
Minor0
Uninjured2
Total2
Crew 1Age 24 · Second Class

Conditions

ConditionsVMC
LightDaylight
Wind350° @ 13 kt, gusting 21 kt
Visibility10 sm
CeilingBroken clouds 1500 ft
Temperature / Dew Point66 F
Altimeter29.00 inHg
Weather SourcePILO

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Appendix: Source Data