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An light transport air carrier took it upon itself to change heading to avoid WX, but put itself in danger of high terrain.
| Attributes | |
| ACN | 219364 |
| Time | |
| Date | 199208 |
| Day | Tue |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | atc facility : hmv airport : tri |
| State Reference | TN |
| Altitude | msl bound lower : 7000 msl bound upper : 7000 |
| Environment | |
| Flight Conditions | Mixed |
| Light | Dawn |
| Aircraft 1 | |
| Controlling Facilities | tracon : tri |
| Operator | common carrier : air carrier |
| Make Model Name | Light Transport, Low Wing, 2 Turboprop Eng |
| Navigation In Use | Other Other |
| Flight Phase | descent other |
| Route In Use | arrival other enroute : on vectors |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 240 flight time total : 3400 flight time type : 1600 |
| ASRS Report | 219364 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | inflight encounter : weather non adherence : clearance non adherence : far other spatial deviation other spatial deviation |
| Independent Detector | other controllera other flight crewa |
| Resolutory Action | controller : issued new clearance flight crew : exited adverse environment other |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Descending for land in tri-city regional airport as PNF, we were assigned a 020 degree heading in our descent to an assigned altitude of 3700 ft. Passing through approximately 7000 ft, the captain elected to deviate around an area of WX. I was busy working another frequency (#2 radio) and was not aware but he did not advise ATC of his deviation. Back on the frequency, I realized our heading was different and questioned it. He made a turn towards 020 when ATC asked of our heading. They advised us that our assigned heading was for terrain, although we were well above the terrain, we should have communicated better and the PIC should have known to advise of any deviations. The lesson to be learned is -- always question and never think because someone is captain. With more years flying than you are old, that they know better than you.
Original NASA ASRS Text
Title: AN LTT ACR TOOK IT UPON ITSELF TO CHANGE HDG TO AVOID WX, BUT PUT ITSELF IN DANGER OF HIGH TERRAIN.
Narrative: DSNDING FOR LAND IN TRI-CITY REGIONAL ARPT AS PNF, WE WERE ASSIGNED A 020 DEG HDG IN OUR DSCNT TO AN ASSIGNED ALT OF 3700 FT. PASSING THROUGH APPROX 7000 FT, THE CAPT ELECTED TO DEVIATE AROUND AN AREA OF WX. I WAS BUSY WORKING ANOTHER FREQ (#2 RADIO) AND WAS NOT AWARE BUT HE DID NOT ADVISE ATC OF HIS DEV. BACK ON THE FREQ, I REALIZED OUR HDG WAS DIFFERENT AND QUESTIONED IT. HE MADE A TURN TOWARDS 020 WHEN ATC ASKED OF OUR HDG. THEY ADVISED US THAT OUR ASSIGNED HDG WAS FOR TERRAIN, ALTHOUGH WE WERE WELL ABOVE THE TERRAIN, WE SHOULD HAVE COMMUNICATED BETTER AND THE PIC SHOULD HAVE KNOWN TO ADVISE OF ANY DEVS. THE LESSON TO BE LEARNED IS -- ALWAYS QUESTION AND NEVER THINK BECAUSE SOMEONE IS CAPT. WITH MORE YEARS FLYING THAN YOU ARE OLD, THAT THEY KNOW BETTER THAN YOU.
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.