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A C750 flight crew perform a go around at smo airport when receiving a TCASII RA on short final. PIC complained of too high a volume on the TCASII alerts that interfered with ATC communications.
| Attributes | |
| ACN | 423155 |
| Time | |
| Date | 199812 |
| Day | Sat |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : smo |
| State Reference | CA |
| Altitude | msl bound lower : 775 msl bound upper : 2100 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Operator | general aviation : corporate |
| Make Model Name | Cessna Citation Undifferentiated or Other Model |
| Navigation In Use | Other |
| Route In Use | approach : straight in arrival other enroute : on vectors |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Flight Phase | other |
| Flight Plan | VFR |
| Person 1 | |
| Affiliation | Other |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : instrument pilot : commercial pilot : cfi |
| Experience | flight time last 90 days : 200 flight time total : 10000 flight time type : 1000 |
| ASRS Report | 423155 |
| Person 2 | |
| Affiliation | Other |
| Function | flight crew : first officer |
| Qualification | pilot : commercial |
| Events | |
| Anomaly | conflict : nmac non adherence : far non adherence : clearance other anomaly other |
| Independent Detector | aircraft equipment other aircraft equipment : unspecified other controllera |
| Resolutory Action | other other |
| Consequence | Other |
| Miss Distance | vertical : 100 |
| Supplementary | |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Takeoff from lgb and radar vectors by socal approach over lax to a left downwind to smo runway 21. Beautiful clear day at smo. Could not hear the ATC controller on account TCASII screaming, 'traffic, traffic, traffic' constantly at full volume. Had to ask him to repeat 2 times. On final, smo tower told us to watch for traffic. We got an RA and climbed to 2100 ft MSL and then were too close and had to go around. In recap: on downwind, TCASII was in the way with its volume and then saved us on final. Could we just turn the volume down?
Original NASA ASRS Text
Title: A C750 FLC PERFORM A GAR AT SMO ARPT WHEN RECEIVING A TCASII RA ON SHORT FINAL. PIC COMPLAINED OF TOO HIGH A VOLUME ON THE TCASII ALERTS THAT INTERFERED WITH ATC COMS.
Narrative: TKOF FROM LGB AND RADAR VECTORS BY SOCAL APCH OVER LAX TO A L DOWNWIND TO SMO RWY 21. BEAUTIFUL CLR DAY AT SMO. COULD NOT HEAR THE ATC CTLR ON ACCOUNT TCASII SCREAMING, 'TFC, TFC, TFC' CONSTANTLY AT FULL VOLUME. HAD TO ASK HIM TO REPEAT 2 TIMES. ON FINAL, SMO TWR TOLD US TO WATCH FOR TFC. WE GOT AN RA AND CLBED TO 2100 FT MSL AND THEN WERE TOO CLOSE AND HAD TO GO AROUND. IN RECAP: ON DOWNWIND, TCASII WAS IN THE WAY WITH ITS VOLUME AND THEN SAVED US ON FINAL. COULD WE JUST TURN THE VOLUME DOWN?
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.