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A beech king air pilot assumed the slaved compass heading to be correct and required a no gyro turn to exit mci airspace in VMC.
| Attributes | |
| ACN | 437571 |
| Time | |
| Date | 199905 |
| Day | Wed |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : mkc.airport |
| State Reference | KS |
| Altitude | msl single value : 3000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : mci.tracon tower : ptk.tower |
| Operator | general aviation : corporate |
| Make Model Name | Beech F90 |
| Operating Under FAR Part | Part 91 |
| Flight Phase | climbout : initial |
| Route In Use | departure : on vectors |
| Flight Plan | IFR |
| Aircraft 2 | |
| Operator | general aviation : corporate |
| Make Model Name | Beech F90 |
| Operating Under FAR Part | Part 91 |
| Person 1 | |
| Affiliation | company : corporate |
| Function | flight crew : single pilot |
| Qualification | pilot : multi engine pilot : instrument pilot : commercial pilot : cfi |
| Experience | flight time last 90 days : 50 flight time total : 600 flight time type : 70 |
| ASRS Report | 437571 |
| Person 2 | |
| Affiliation | government : faa |
| Function | controller : approach |
| Qualification | controller : radar |
| Events | |
| Anomaly | non adherence : clearance other spatial deviation |
| Independent Detector | other controllera |
| Resolutory Action | controller : provided flight assist flight crew : overcame equipment problem |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
I departed mkc, downtown kansas city, and was given an initial vector of 250 degrees. My aircraft has slaved compass system and it is always right -- so I failed to check heading on the runway, ie, I departed runway 19, so heading should have read 190 degrees. When I turned to 250 degrees, it was really more like 360 degrees -- right toward mci. I should have caught this! I contacted approach. The controller handed me off to another frequency (from 118.9 to 124.7). The new controller assigned new heading of '200 degrees immediately.' I turned. When I rolled out, controller asked my heading and gave me a new 'no gyro' turn.' the controller was really great, and the no gyro turn was a great way to solve the problem quickly without distracting me with diagnosis.
Original NASA ASRS Text
Title: A BEECH KING AIR PLT ASSUMED THE SLAVED COMPASS HDG TO BE CORRECT AND REQUIRED A NO GYRO TURN TO EXIT MCI AIRSPACE IN VMC.
Narrative: I DEPARTED MKC, DOWNTOWN KANSAS CITY, AND WAS GIVEN AN INITIAL VECTOR OF 250 DEGS. MY ACFT HAS SLAVED COMPASS SYS AND IT IS ALWAYS RIGHT -- SO I FAILED TO CHK HDG ON THE RWY, IE, I DEPARTED RWY 19, SO HDG SHOULD HAVE READ 190 DEGS. WHEN I TURNED TO 250 DEGS, IT WAS REALLY MORE LIKE 360 DEGS -- RIGHT TOWARD MCI. I SHOULD HAVE CAUGHT THIS! I CONTACTED APCH. THE CTLR HANDED ME OFF TO ANOTHER FREQ (FROM 118.9 TO 124.7). THE NEW CTLR ASSIGNED NEW HDG OF '200 DEGS IMMEDIATELY.' I TURNED. WHEN I ROLLED OUT, CTLR ASKED MY HDG AND GAVE ME A NEW 'NO GYRO' TURN.' THE CTLR WAS REALLY GREAT, AND THE NO GYRO TURN WAS A GREAT WAY TO SOLVE THE PROB QUICKLY WITHOUT DISTRACTING ME WITH DIAGNOSIS.
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.