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A CFI in a PA34-200 gets vertigo and fails to follow the approach controller's clearance for the airway intercept west of pdz, ca.
| Attributes | |
| ACN | 450060 |
| Time | |
| Date | 199909 |
| Day | Sat |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | navaid : pdz.vor |
| State Reference | CA |
| Altitude | msl single value : 3000 |
| Environment | |
| Flight Conditions | IMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : sct.tracon tower : stl.tower |
| Operator | general aviation : instructional |
| Make Model Name | PA-34-200T Turbo Seneca II |
| Operating Under FAR Part | Part 91 |
| Navigation In Use | other vortac |
| Flight Phase | climbout : vacating altitude cruise : level |
| Route In Use | enroute : on vectors |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | other |
| Function | instruction : instructor |
| Qualification | pilot : multi engine pilot : instrument pilot : cfi |
| Experience | flight time last 90 days : 70 flight time total : 443 flight time type : 16 |
| ASRS Report | 450060 |
| Person 2 | |
| Affiliation | other |
| Function | instruction : trainee |
| Qualification | pilot : private |
| Events | |
| Anomaly | conflict : airborne less severe non adherence : clearance other anomaly other spatial deviation |
| Independent Detector | other controllera |
| Resolutory Action | controller : issued alert flight crew : exited adverse environment flight crew : became reoriented flight crew : regained aircraft control |
| Supplementary | |
| Problem Areas | ATC Human Performance Flight Crew Human Performance Environmental Factor Airspace Structure Weather |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
The problem began when the controller requested that I expedite my intercept of the V186. I began a turn to the left when I heard the controller call me and say in a voice of urgency for me to turn left. I continued to turn left and the controller instructed me to turn to a heading of 270 degrees. Based on what I heard from the controller he believed that I was turning to the right instead of the to the left. The next comment I heard from the controller was pilot deviation. My initial instruction was to fly heading 250 degrees, intercept the V186 to V459. When I completed my turn to the left I was on a heading of 150 degrees, which is a 100 degree intercept. In the meantime, the student and I were fighting off vertigo. I regained control of aircraft and continued my climb and broke out on top at 3400 ft MSL where I went VFR on top.
Original NASA ASRS Text
Title: A CFI IN A PA34-200 GETS VERTIGO AND FAILS TO FOLLOW THE APCH CTLR'S CLRNC FOR THE AIRWAY INTERCEPT W OF PDZ, CA.
Narrative: THE PROB BEGAN WHEN THE CTLR REQUESTED THAT I EXPEDITE MY INTERCEPT OF THE V186. I BEGAN A TURN TO THE L WHEN I HEARD THE CTLR CALL ME AND SAY IN A VOICE OF URGENCY FOR ME TO TURN L. I CONTINUED TO TURN L AND THE CTLR INSTRUCTED ME TO TURN TO A HDG OF 270 DEGS. BASED ON WHAT I HEARD FROM THE CTLR HE BELIEVED THAT I WAS TURNING TO THE R INSTEAD OF THE TO THE L. THE NEXT COMMENT I HEARD FROM THE CTLR WAS PLTDEV. MY INITIAL INSTRUCTION WAS TO FLY HDG 250 DEGS, INTERCEPT THE V186 TO V459. WHEN I COMPLETED MY TURN TO THE L I WAS ON A HDG OF 150 DEGS, WHICH IS A 100 DEG INTERCEPT. IN THE MEANTIME, THE STUDENT AND I WERE FIGHTING OFF VERTIGO. I REGAINED CTL OF ACFT AND CONTINUED MY CLB AND BROKE OUT ON TOP AT 3400 FT MSL WHERE I WENT VFR ON TOP.
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.