Accident Mudry CAP 10B N64ND, Saturday 15 February 1992
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Date:Saturday 15 February 1992
Time:14:00 LT
Type:Silhouette image of generic CP10 model; specific model in this crash may look slightly different    
Mudry CAP 10B
Owner/operator:Peter Poland
Registration: N64ND
MSN: 175
Total airframe hrs:1405 hours
Engine model:Lycoming AEIO-360-B2F
Fatalities:Fatalities: 0 / Occupants: 1
Other fatalities:0
Aircraft damage: Destroyed
Category:Accident
Location:Santa Paula, CA -   United States of America
Phase: Manoeuvring (airshow, firefighting, ag.ops.)
Nature:Private
Departure airport:Camarillo, CA (KCMA)
Destination airport:
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
IN HIS WRITTEN STATEMENT, THE PILOT REPORTED THAT HE STARTED A LOOP AT ABOUT 4,500 FEET ABOVE MEAN SEA LEVEL. HE ENTERED THE MANEUVER AT 160 MPH AND 'PULLED 5 TO 5 1/2 G'S (EST).' HE STATED THAT WHEN THE AIRCRAFT WAS IN A 45 DEGREE NOSE UP ATTITUDE, HE HEARD A 'LOUD BANG.' HE REMOVED HIS SEAT BELTS (2), EXITED THE AIRPLANE, AND PARACHUTED TO SAFETY. AN EXAMINATION OF THE ACCIDENT SITE AND AIRPLANE REVEALED THE LEFT WING FAILED AND DEPARTED THE AIRCRAFT DURING THE LOOP MANEUVER. A LABORATORY EXAMINATION OF THE FAILED WOODEN WING REVEALED, IN PART '...THAT FAILURE OCCURRED PROBABLY BECAUSE OF OVERLOADING OF THE SPAR.' THE LABORATORY REPORT FURTHER STATED 'THE VERY BRASH FAILURE COMPLETELY THROUGH THE CROSS-SECTIONAL AREA OF THE COMPRESSION LAMINATE SUGGESTS PRE-EXISTING COMPRESSION FAILURES IN THE LAMINATE BEFORE CATASTROPHIC FAILURE THROUGH THE CRITICAL LOADING AREA.'

Probable Cause: THE FAILURE OF THE AIRPLANES'S LEFT WING SPAR DUE TO STRESS OVERLOADING CAUSED BY PRE-EXISTING COMPRESSION FAILURES IN THE LAMINATE.

Accident investigation:
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Investigating agency: NTSB
Report number: LAX92LA118
Status: Investigation completed
Duration: 1 year and 6 months
Download report: Final report

Sources:

NTSB LAX92LA118

Location

Revision history:

Date/timeContributorUpdates
21-Dec-2016 19:25 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]
11-Apr-2024 08:56 ASN Update Bot Updated [Time, Operator, Other fatalities, Departure airport, Source, Narrative, Category, Accident report]

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