Accident Polliwagen N192EB,
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ASN Wikibase Occurrence # 359225
 
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Date:Saturday 18 March 1995
Time:17:40 LT
Type:Silhouette image of generic POLI model; specific model in this crash may look slightly different    
Polliwagen
Owner/operator:Private
Registration: N192EB
MSN: 1789N
Total airframe hrs:1 hours
Engine model:LYCOMING O-320-A2B
Fatalities:Fatalities: 0 / Occupants: 1
Aircraft damage: Substantial
Category:Accident
Location:New Waverly, TX -   United States of America
Phase: Take off
Nature:Private
Departure airport:
Destination airport:Conroe, TX (KCXO)
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
DURING THE HOMEBUILT AIRPLANE'S SECOND FLIGHT AND FIRST TAKEOFF ROLL FROM THE 1,200 FOOT GRASS STRIP, IT STRUCK A FENCE AT THE DEPARTURE END OF THE RUNWAY, IMPACTED A DRAINAGE DITCH AND CAME TO REST INVERTED. THE PILOT STATED THAT HE 'SHOULD HAVE BEEN AIRBORNE IN 400 FEET.' HE FURTHER STATED THAT HE HAD SET THE GROUND ADJUSTABLE PROPELLER 'TO GET AN RPM OF 2475' AS THIS WAS THE RED LINE MARKED ON THE TACHOMETER. ACCORDING TO THE MANUFACTURER, THE MAXIMUM CONTINUOUS RATED RPM OF THE ENGINE, WHICH SHOULD CORRESPOND TO THE RED LINE ON THE TACHOMETER, IS 2700 RPM. THE PILOT REPORTED THAT HE BECAME AWARE OF THIS DISCREPANCY AFTER THE ACCIDENT.

Probable Cause: THE PILOT'S FAILURE TO ABORT THE TAKEOFF. FACTORS WERE HIS FAILURE TO OBTAIN ENGINE PERFORMANCE DATA, THE RESULTING IMPROPER RED LINE MARKING ON THE TACHOMETER, AND THE IMPROPER ADJUSTMENT OF THE PROPELLER.

Accident investigation:
cover
  
Investigating agency: NTSB
Report number: FTW95LA140
Status: Investigation completed
Duration: 6 months
Download report: Final report

Sources:

NTSB FTW95LA140

Location

Revision history:

Date/timeContributorUpdates
15-Mar-2024 08:16 ASN Update Bot Added

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