<< >> NASA ASRS Report 324496, December 1995

Pilot of an atx helicopter took evasive action during approach to off shore helipad from another helicopter cruising by.

Attributes
ACN	324496
Time
Date	199512
Day	Mon
Local Time Of Day	0601 To 1200
Place
Locale Reference	atc facility : vuh airport : gls
State Reference	TX
Altitude	msl bound lower : 400 msl bound upper : 400
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Operator	common carrier : air taxi
Make Model Name	Helicopter
Operating Under FAR Part	Part 135
Flight Phase	descent : approach descent other
Flight Plan	VFR
Aircraft 2
Make Model Name	Helicopter
Operating Under FAR Part	other : unknown
Flight Phase	cruise other
Person 1
Affiliation	company : air taxi
Function	flight crew : single pilot
Qualification	other other : other pilot : instrument pilot : commercial
Experience	flight time last 90 days : 175 flight time total : 11000 flight time type : 4000
ASRS Report	324496
Person 2
Function	flight crew : single pilot
Events
Anomaly	conflict : airborne less severe non adherence other other anomaly other
Independent Detector	other flight crewa
Resolutory Action	flight crew : took evasive action
Consequence	Other
Miss Distance	horizontal : 700 vertical : 200
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

While on final approach to the heliport at offshore gulf of mexico platform at galveston, I noticed another helicopter approaching from my 8 O'clock position. That helicopter was at cruising speed and at about 400 ft MSL. To avoid a close encounter I turned to my left to keep the other aircraft in view, which continued on to the south without varying speed or altitude. This incident could have been avoided if the other aircraft had maintained the 700 ft minimum cruising altitude that is recommended by the offshore helicopter safety advisory council (hsac). A company near miss report was filed.

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Original NASA ASRS Text

Title: PLT OF AN ATX HELI TOOK EVASIVE ACTION DURING APCH TO OFF SHORE HELIPAD FROM ANOTHER HELI CRUISING BY.

Narrative: WHILE ON FINAL APCH TO THE HELIPORT AT OFFSHORE GULF OF MEXICO PLATFORM AT GALVESTON, I NOTICED ANOTHER HELI APCHING FROM MY 8 O'CLOCK POS. THAT HELI WAS AT CRUISING SPD AND AT ABOUT 400 FT MSL. TO AVOID A CLOSE ENCOUNTER I TURNED TO MY L TO KEEP THE OTHER ACFT IN VIEW, WHICH CONTINUED ON TO THE S WITHOUT VARYING SPD OR ALT. THIS INCIDENT COULD HAVE BEEN AVOIDED IF THE OTHER ACFT HAD MAINTAINED THE 700 FT MINIMUM CRUISING ALT THAT IS RECOMMENDED BY THE OFFSHORE HELI SAFETY ADVISORY COUNCIL (HSAC). A COMPANY NEAR MISS RPT WAS FILED.

Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.