Accident Grumman AA-5 N1392R,
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ASN Wikibase Occurrence # 360000
 
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Date:Wednesday 10 August 1994
Time:18:30 LT
Type:Silhouette image of generic AA5 model; specific model in this crash may look slightly different    
Grumman AA-5
Owner/operator:Private
Registration: N1392R
MSN: 0792
Engine model:LYCOMING O-320-D2G
Fatalities:Fatalities: 0 / Occupants: 2
Aircraft damage: Substantial
Category:Accident
Location:Ormond Beach, FL -   United States of America
Phase: Take off
Nature:Training
Departure airport:(KORM)
Destination airport:(KORM)
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
THE INSTRUCTOR AND STUDENT EXPERIENCED A LOSS OF ENGINE POWER ON TAKEOFF. THE AIRPLANE COLLIDED WITH TREES AND FELL TO THE GROUND. EXAMINATION OF THE ENGINE AIR INDUCTION SYSTEM REVEALED A DISTORTED SEAL AT THE CARBURETOR FLANGE THAT ALLOWED DIRT AND MOISTURE TO ENTER THE CARBURETOR. THE CARBURETOR HAD BEEN REMOVED AND WORKED ON BY A LOCAL MECHANIC 2 DAYS BEFORE THE ACCIDENT.

Probable Cause: THE IMPROPER MAINTENANCE WORK DONE ON THE CARBURETOR BY A LOCAL MECHANIC THAT RESULTED IN LOSS OF ENGINE POWER OVER UNSUITABLE TERRAIN. A CONTRIBUTING FACTOR WAS THE DIRT AND MOISTURE THAT CONTAMINATED THE CARBURETOR.

Accident investigation:
cover
  
Investigating agency: NTSB
Report number: MIA94LA193
Status: Investigation completed
Duration: 7 months
Download report: Final report

Sources:

NTSB MIA94LA193

Revision history:

Date/timeContributorUpdates
15-Mar-2024 16:53 ASN Update Bot Added

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