 |
37000 Feet | Browse and search NASA's Aviation Safety Reporting System |
|
E120 flight crew initiate TCASII TA maneuver after entering cbm milfac approach, non radar environment en route to gtr. Flight crew not aware that cbm radar was OTS.
| Attributes | |
| ACN | 559077 |
| Time | |
| Date | 200209 |
| Day | Wed |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | navaid : igb.vortac |
| State Reference | MS |
| Altitude | msl single value : 3800 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | Brasilia EMB-120 All Series |
| Operating Under FAR Part | Part 121 |
| Flight Phase | descent : approach |
| Flight Plan | IFR |
| Aircraft 2 | |
| Operator | general aviation : personal |
| Make Model Name | Small Aircraft |
| Operating Under FAR Part | Part 91 |
| Flight Phase | cruise : level |
| Flight Plan | VFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : commercial pilot : instrument pilot : cfi pilot : multi engine |
| Experience | flight time last 90 days : 200 flight time total : 3000 flight time type : 1500 |
| ASRS Report | 559077 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Events | |
| Anomaly | conflict : airborne less severe non adherence : company policies non adherence : published procedure other anomaly other |
| Independent Detector | aircraft equipment : tcas |
| Resolutory Action | flight crew : took precautionary avoidance action |
| Miss Distance | horizontal : 3000 vertical : 50 |
| Supplementary | |
| Problem Areas | Navigational Facility Flight Crew Human Performance Company ATC Human Performance Airspace Structure Environmental Factor |
| Primary Problem | Flight Crew Human Performance |
Narrative:
Xferred to cms approach. ATC did not state radar OTS. Non radar approach was not NOTAM'ed in dispatch release. During descent, received visual tcasi alert and followed by audio alert. Captain stopped descent and maneuvered airplane to avoid collision. We never saw other aircraft. To avoid in future, upgrade E120 tcasi. VFR traffic should require ATC contact in non radar environment.
Original NASA ASRS Text
Title: E120 FLC INITIATE TCASII TA MANEUVER AFTER ENTERING CBM MILFAC APCH, NON RADAR ENVIRONMENT ENRTE TO GTR. FLC NOT AWARE THAT CBM RADAR WAS OTS.
Narrative: XFERRED TO CMS APCH. ATC DID NOT STATE RADAR OTS. NON RADAR APCH WAS NOT NOTAM'ED IN DISPATCH RELEASE. DURING DSCNT, RECEIVED VISUAL TCASI ALERT AND FOLLOWED BY AUDIO ALERT. CAPT STOPPED DSCNT AND MANEUVERED AIRPLANE TO AVOID COLLISION. WE NEVER SAW OTHER ACFT. TO AVOID IN FUTURE, UPGRADE E120 TCASI. VFR TFC SHOULD REQUIRE ATC CONTACT IN NON RADAR ENVIRONMENT.
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.