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Air carrier-medium large transport inbound to hub on batsn 1 STAR experiences less than standard separation with corp-light transport Y.
| Attributes | |
| ACN | 136347 |
| Time | |
| Date | 199002 |
| Day | Sat |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | atc facility : iah airport : hub |
| State Reference | TX |
| Altitude | msl bound lower : 5700 msl bound upper : 6000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : iah artcc : zdv |
| Operator | common carrier : air carrier |
| Make Model Name | Medium Large Transport, Low Wing, 2 Turbojet Eng |
| Flight Phase | descent other |
| Route In Use | arrival star : star |
| Flight Plan | IFR |
| Aircraft 2 | |
| Operator | general aviation : corporate |
| Make Model Name | Light Transport, Low Wing, 2 Turbojet Eng |
| Flight Phase | climbout : intermediate altitude |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : private pilot : instrument pilot : flight engineer pilot : atp pilot : commercial |
| Experience | flight time last 90 days : 100 flight time total : 9000 flight time type : 1500 |
| ASRS Report | 136347 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : commercial pilot : instrument |
| Events | |
| Anomaly | altitude deviation : overshoot conflict : airborne less severe non adherence : clearance non adherence : required legal separation |
| Independent Detector | other controllera |
| Resolutory Action | controller : issued new clearance flight crew : took evasive action other |
| Consequence | faa : reviewed incident with flight crew |
| Miss Distance | horizontal : 9000 vertical : 900 |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Inbound to houston hobby on batsn arrival, approach called out 12 O'clock traffic, cpr light transport Y at 5700' climbing. We were at 6000'. He had busted 5000' clearance and got to 5700' before descending back to 5000'. My first officer spotted him at 12:30, moving away and below us. Approach gave us a 180 degree turn, away from him, just 3 mi before the fix at 7 DME. Conversation later that day with TRACON supervisor indicated 900' vertical and 1 1/2 mi horizontal miss. We had visibility on him and didn't need to take evasive action. From what I got in the conversation with the TRACON supervisor, the light transport Y first officer was flying and heard climb clearance to 15000' had set his own altitude reminder and started climb. Was questioned by captain at 5200' got as high as 5700' before descending. The method advocated by our airline which I think helps prevent altitude busts is have the PNF answering the radio and setting altitude reminder and heading bugs with the PF flying repeating the clearance to the PNF as soon as the radio transmission is over.
Original NASA ASRS Text
Title: ACR-MLG INBOUND TO HUB ON BATSN 1 STAR EXPERIENCES LESS THAN STANDARD SEPARATION WITH CORP-LTT Y.
Narrative: INBND TO HOUSTON HOBBY ON BATSN ARR, APCH CALLED OUT 12 O'CLOCK TFC, CPR LTT Y AT 5700' CLBING. WE WERE AT 6000'. HE HAD BUSTED 5000' CLRNC AND GOT TO 5700' BEFORE DSNDING BACK TO 5000'. MY F/O SPOTTED HIM AT 12:30, MOVING AWAY AND BELOW US. APCH GAVE US A 180 DEG TURN, AWAY FROM HIM, JUST 3 MI BEFORE THE FIX AT 7 DME. CONVERSATION LATER THAT DAY WITH TRACON SUPVR INDICATED 900' VERT AND 1 1/2 MI HORIZ MISS. WE HAD VIS ON HIM AND DIDN'T NEED TO TAKE EVASIVE ACTION. FROM WHAT I GOT IN THE CONVERSATION WITH THE TRACON SUPVR, THE LTT Y F/O WAS FLYING AND HEARD CLB CLRNC TO 15000' HAD SET HIS OWN ALT REMINDER AND STARTED CLB. WAS QUESTIONED BY CAPT AT 5200' GOT AS HIGH AS 5700' BEFORE DSNDING. THE METHOD ADVOCATED BY OUR AIRLINE WHICH I THINK HELPS PREVENT ALT BUSTS IS HAVE THE PNF ANSWERING THE RADIO AND SETTING ALT REMINDER AND HDG BUGS WITH THE PF FLYING REPEATING THE CLRNC TO THE PNF AS SOON AS THE RADIO XMISSION IS OVER.
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.