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Arriving at hsv and distraction by military helicopters transiting their approach path without a clearance, flight crew of CL65 receive a stick shaker stall warning and initiate go around.
| Attributes | |
| ACN | 609627 |
| Time | |
| Date | 200402 |
| Day | Sun |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : hsv.airport |
| State Reference | AL |
| Altitude | msl single value : 2300 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tower : hsv.tower |
| Operator | common carrier : air carrier |
| Make Model Name | Challenger CL601 |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | other |
| Route In Use | approach : visual |
| Flight Plan | IFR |
| Aircraft 2 | |
| Controlling Facilities | tower : hsv.tower |
| Operator | other |
| Make Model Name | Military |
| Operating Under FAR Part | Part 91 |
| Flight Phase | climbout : takeoff |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : private pilot : multi engine pilot : instrument pilot : commercial pilot : atp |
| Experience | flight time last 90 days : 180 flight time total : 3800 |
| ASRS Report | 609627 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Events | |
| Anomaly | conflict : airborne less severe non adherence : far non adherence : published procedure |
| Independent Detector | other controllera other flight crewa |
| Resolutory Action | controller : issued advisory |
| Consequence | faa : assigned or threatened penalties faa : reviewed incident with flight crew |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
While on final approach for runway 18L into hsv, we were cleared for the visual approach and cleared to land. The first officer was flying the aircraft and he was high on the descent path. 2 military helicopters took off without clearance. The tower started questioning the traffic as to their position and asked them if they had the traffic in sight. Their response was 'negative,' we were not issued any TA's. TCASII showed traffic flying across the final approach course right to left, but no RA's were present. While I was looking outside for potential conflict with the traffic, the stick shaker activated. I immediately commanded a go around. The first officer flew the missed approach and landed uneventfully on runway 18R. Called the tower on the ground and they told me that a clearance deviation had been filed on the helicopter pilots. The first officer saw 1 helicopter on the right side and below us.
Original NASA ASRS Text
Title: ARRIVING AT HSV AND DISTR BY MIL HELIS TRANSITING THEIR APCH PATH WITHOUT A CLRNC, FLT CREW OF CL65 RECEIVE A STICK SHAKER STALL WARNING AND INITIATE GAR.
Narrative: WHILE ON FINAL APCH FOR RWY 18L INTO HSV, WE WERE CLRED FOR THE VISUAL APCH AND CLRED TO LAND. THE FO WAS FLYING THE ACFT AND HE WAS HIGH ON THE DSCNT PATH. 2 MIL HELIS TOOK OFF WITHOUT CLRNC. THE TWR STARTED QUESTIONING THE TFC AS TO THEIR POS AND ASKED THEM IF THEY HAD THE TFC IN SIGHT. THEIR RESPONSE WAS 'NEGATIVE,' WE WERE NOT ISSUED ANY TA'S. TCASII SHOWED TFC FLYING ACROSS THE FINAL APCH COURSE R TO L, BUT NO RA'S WERE PRESENT. WHILE I WAS LOOKING OUTSIDE FOR POTENTIAL CONFLICT WITH THE TFC, THE STICK SHAKER ACTIVATED. I IMMEDIATELY COMMANDED A GAR. THE FO FLEW THE MISSED APCH AND LANDED UNEVENTFULLY ON RWY 18R. CALLED THE TWR ON THE GND AND THEY TOLD ME THAT A CLRNC DEV HAD BEEN FILED ON THE HELI PLTS. THE FO SAW 1 HELI ON THE R SIDE AND BELOW US.
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.