ASN Wikibase Occurrence # 39087
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Date: | Wednesday 2 August 1989 |
Time: | 15:20 |
Type: | Texas Helicopter M74 Wasp (Bell OH-13E) |
Owner/operator: | Sunbelt Flyers |
Registration: | N51850 |
MSN: | 78-018 |
Total airframe hrs: | 1473 hours |
Fatalities: | Fatalities: 1 / Occupants: 1 |
Aircraft damage: | Destroyed |
Category: | Accident |
Location: | Norman Park, GA -
United States of America
|
Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
Nature: | Agricultural |
Departure airport: | |
Destination airport: | |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:THE PILOT HAD BEEN MAKING AGRICULTURAL AERIAL APPLICATION FLIGHTS ALL DAY WITH SOME INTERRUPTIONS FOR RAIN. HE HAD BEEN APPLYING LANNATE AND BRAVO; THE LOAD ABOARD AT THE TIME OF THE ACCIDENT WAS THE SAME. AFTER A LUNCH BREAK, THE PILOT MADE ONE FLIGHT & LOADED FOR THE NEXT. THE LIFTOFF AND DEPARTURE WERE REPORTED TO BE NORMAL, BUT WHEN THE HELICOPTER DID NOT RETURN AS EXPECTED, A SEARCH WAS INITIATED. WRECKAGE OF THE HELICOPTER WAS FOUND NEAR THE INTENDED AERIAL APPLICATION SITE. NO PREIMPACT MECHANICAL MALFUNCTION OR FAILURE WAS FOUND; HOWEVER, THE HELICOPTER WAS EXTENSIVELY DAMAGED. A TOXICOLOGY CHECK OF THE PILOT'S BLOOD REVEALED THE PRESENCE OF METHOMYL (LANNATE) AT A LEVEL OF 600 PARTS/BILLION. THE PILOT HAD NOT BEEN USING A RESPIRATOR. HIS LAST RPRTD MEDICAL CHECK WAS ON 2/7/89. CAUSE: IMPROPER PLANNING/DECISION BY THE PILOT, WHICH RESULTED IN HIS PHYSICAL IMPAIRMENT FROM EXPOSURE TO LANNATE, AND HIS FAILURE TO MAINTAIN ALTITUDE/CLEARANCE ABOVE THE GROUND. A FACTOR RELATED TO THE ACCIDENT WAS: FAILURE OF THE PILOT TO USE A RESPIRATOR WHILE HANDLING OR BEING EXPOSED TO LANNATE.,
Sources:
https://www.ntsb.gov/aviationquery/brief.aspx?ev_id=20001213X29024&key=1 Revision history:
Date/time | Contributor | Updates |
24-Oct-2008 10:30 |
ASN archive |
Added |
13-Aug-2014 12:43 |
TB |
Updated [Aircraft type, Cn, Source, Damage] |
21-Dec-2016 19:23 |
ASN Update Bot |
Updated [Time, Damage, Category, Investigating agency] |
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