Accident Robinson R22B N2335Q,
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ASN Wikibase Occurrence # 361882
 
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Date:Saturday 23 January 1993
Time:12:30 LT
Type:Silhouette image of generic R22 model; specific model in this crash may look slightly different    
Robinson R22B
Owner/operator:Civic Helicopters
Registration: N2335Q
MSN: 2154
Year of manufacture:1992
Total airframe hrs:600 hours
Engine model:LYCOMING O-320
Fatalities:Fatalities: 0 / Occupants: 2
Aircraft damage: Substantial
Category:Accident
Location:Palomar Mtn, CA -   United States of America
Phase: Approach
Nature:Training
Departure airport:Carlsbad, CA (KCRQ)
Destination airport:(KCRQ)
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
ACCORDING TO THE STATEMENTS OF BOTH PILOTS, AFTER A HIGH RECONNAISSANCE OF A RIDGELINE THE INSTRUCTOR SET THE HELICOPTER UP FOR A PRACTICE PINNACLE APPROACH AND TURNED THE CONTROLS OVER TO THE STUDENT AT ABOUT 500 FEET ABOVE THE RIDGE. SHORTLY AFTER INITIATING THE APPROACH, THE INSTRUCTOR SAID HE NOTICED EVIDENCE OF STRONG SURFACE WINDS AND ORDERED A GO AROUND. BOTH PILOTS STATED THAT AS THE GO AROUND WAS INITIATED THE LOW ROTOR RPM WARNING HORN CAME ON. THE INSTRUCTOR SAID HE ATTEMPTED TO REGAIN ROTOR RPM AND ACCELERATE THE HELICOPTER; HOWEVER, THEY WERE 'HIT BY A VERY STRONG DOWNDRAFT THAT FORCED US DOWN TO THE SURFACE.' THE INSTRUCTOR SAID HE THEN LOWERED THE NOSE TO ATTEMPT TO FLY AWAY FROM THE RIDGELINE BUT THE HELICOPTER SETTLED INTO THE BRUSH ON THE RIDGE AND ROLLED OVER.

Probable Cause: THE STUDENT PILOT'S INITIAL FAILURE TO MAINTAIN ROTOR RPM DURING THE GO AROUND AND THE INSTRUCTOR'S IMPROPER USE OF THE FLIGHT CONTROLS AND FAILURE TO ADEQUATELY SUPERVISE THE CONDUCT OF THE FLIGHT.

Accident investigation:
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Investigating agency: NTSB
Report number: LAX93LA101
Status: Investigation completed
Duration: 9 months
Download report: Final report

Sources:

NTSB LAX93LA101

History of this aircraft

Other occurrences involving this aircraft
25 July 1992 N2335Q Civic Helicopters, Inc. 0 Carlsbad, CA sub
21 August 1998 N2335Q Civic Helicopters 0 Ramona, CA sub

Location

Revision history:

Date/timeContributorUpdates
17-Mar-2024 15:26 ASN Update Bot Added

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