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| Date: | Sunday 3 September 1989 |
| Time: | 18:46 |
| Type: |  Aérospatiale AS 355F-1 |
| Owner/operator: | Petroleum Helicopters (PHI) |
| Registration: | N5796P |
| MSN: | 5163 |
| Fatalities: | Fatalities: 3 / Occupants: 3 |
| Other fatalities: | 0 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Houma, LA -
 United States of America
|
| Phase: | En route |
| Nature: | Ferry/positioning |
| Departure airport: | (HUM) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
A STUDENT PLT IN CESSNA 152, N24516, TOOK OFF ON RWY 18 TO PRACTICE TFC PATTERN WORK & PERFORM TOUCH & GO LNDGS. ALSO, AN ATP PLT IN AEROSPATIALE AS-355F-1, N5796P, DEPARTED THE HELICOPTER OPNS AREA AT THE NORTH END OF THE airport ON A PSNG FLT TO A HOSPITAL ABOUT 3 MI TO THE NW. THE TOWER HAD CLOSED EARLIER (AT 1800 CDT). SVRL airport PSNL WERE ON DUTY (INCLUDING PSNL AT OPERATOR FACILITIES); THOSE INTERVIEWED, DID NOT RECALL HEARING A RADIO ADZY FM EITHER PLT. AT ABOUT 1846 CDT, THE 2 ACFT COLLIDED ABOUT 1.4 MI NW OF THE airport AT AN ESTD ALT OF 500 TO 600 FT. WITNESSES RPRTD THAT THE HELICOPTER WAS CLIMBING ON A NW HDG, WHILE THE CESSNA WAS IN LVL flight. ONE WITNESS THOUGHT THE CESSNA HAD TURNED ONTO A BASE LEG FOR RWY 12. JUST BEFORE IMPACT, THE CESSNA ENTERED AN ABRUPT LEFT CLIMBING TURN & ROLLED OUT OF THE TURN SLIGHTLY ABV & TO THE RGT OF THE HELICOPTER. SUBSEQUENTLY, THEY CONVERGED & THE HELICOPTER'S MAIN ROTOR BLADES STRUCK THE LEFT SIDE OF THE CESSNA, THEN BOTH CRASHED. THE HELICOPTER WAS NOT OBSERVED TO TAKE EVASIVE ACTN. CAUSE: THE FAILURE OF BOTH PILOTS TO SEE-AND-AVOID EACH OTHER'S AIRCRAFT (INADEQUATE VISUAL LOOKOUT). A PROBABLE FACTOR WAS: FAILURE OF EITHER PILOT TO ISSUE A TRAFFIC ADVISORY.
Accident investigation:
 |
|
Sources:
NTSB: https://www.ntsb.gov/ntsb/brief.asp?ev_id=20001213X29368
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Oct-2008 10:30 | ASN archive | Added |
| 21-Dec-2016 19:22 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency, ] |
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