ASN Wikibase Occurrence # 40852
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| Date: | Thursday 30 June 1988 |
| Time: | 13:00 |
| Type: | Helio H-550A Stallion |
| Owner/operator: | Perris Valley Skydiving |
| Registration: | N9991F |
| MSN: | 004 |
| Total airframe hrs: | 2100 hours |
| Engine model: | P&W PT-6A-27 |
| Fatalities: | Fatalities: 1 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Perris, CA -
 United States of America
|
| Phase: | Approach |
| Nature: | Parachuting |
| Departure airport: | Perris, CA (L65) |
| (L65) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
AFTER DROPPING SKYDIVERS THE PILOT ENTERED A DESCENT TO RETURN TO THE AIRPORT FOR ANOTHER LOAD OF JUMPERS. HE WAS RECEIVING RADAR ADVISORIES DURING THE DROP FROM A TRACON CONTROLLER. AS THE AIRCRAFT DESCENDED BELOW 4,000 FEET MSL THE CONTROLLER TERMINATED THE RADAR ADVISORY SERVICE. IMMEDIATELY AFTER THE CONTROLLER DISCONTINUED THE SERVICE HE ASKED THE PILOT TO CHECK FOR A STUCK MICROPHONE SWITCH. THE AIRCRAFT CONTINUED ITS DESCENT AND COLLIDED WITH A CAMPING TRAILER AND BUILDING UNDER CONSTRUCTION IN AN EXTREME NOSE LOW ATTITUDE. THE ELEVATOR TRIM WAS FOUND IN THE FULL NOSE DOWN POSITION. NO OTHER MALFUNCTIONS WERE FOUND. CAUSE: FAILURE OF THE ELECTRICAL STABILIZER TRIM CONTROL THAT RESULTED IN AN UNCOMMANDED FULL NOSE DOWN ELEVATOR TRIM COMMAND.
Sources:
NTSB: http://www.ntsb.gov/ntsb/brief.asp?ev_id=20001213X25979
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Oct-2008 10:30 | ASN archive | Added |
| 25-Nov-2010 10:10 | TB | Updated [Time, Other fatalities, Phase, Nature, Destination airport] |
| 21-Dec-2016 19:23 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
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