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Altitude overshot and potential conflict by departure GA aircraft in the class B of ord. GA aircraft comes close to an air carrier aircraft when not having set the correct altimeter setting in his instrument prior to departure 3CK, il.
| Attributes | |
| ACN | 562632 |
| Time | |
| Date | 200210 |
| Day | Mon |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | atc facility : c90.tracon |
| State Reference | IL |
| Altitude | msl bound lower : 3000 msl bound upper : 3700 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : c90.tracon tower : cyyz.tower |
| Operator | general aviation : personal |
| Make Model Name | Small Aircraft, Low Wing, 2 Eng, Retractable Gear |
| Operating Under FAR Part | Part 91 |
| Flight Phase | cruise : level |
| Flight Plan | IFR |
| Aircraft 2 | |
| Controlling Facilities | tracon : c90.tracon |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Flight Phase | cruise : level |
| Person 1 | |
| Affiliation | other |
| Function | flight crew : single pilot |
| Experience | flight time last 90 days : 30 flight time total : 7012 |
| ASRS Report | 562632 |
| Person 2 | |
| Function | flight crew : captain oversight : pic |
| Events | |
| Anomaly | altitude deviation : overshoot conflict : airborne critical non adherence : required legal separation non adherence : far non adherence : published procedure non adherence : clearance other anomaly other |
| Independent Detector | atc equipment other atc equipment : radar mode c other controllera |
| Resolutory Action | none taken : detected after the fact |
| Consequence | faa : investigated |
| Miss Distance | vertical : 300 |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Took off 3CK near chicago VFR. While climbing out I picked up the IFR clearance from chicago approach. The clearance was 'radar vectors climb to 3000 ft.' I reported level 3000 ft and saw a jet go by on my left side. Chicago approach asked my altitude and I told them I was level 3000 ft. Chicago told me I was at 3700 ft. I immediately asked for an altimeter setting, the altimeter setting was 700 ft different from what my altimeter read. Chicago approach never gave me an altimeter setting when I picked up my IFR clearance and I incorrectly set my altimeter when I departed lake in the hills airport (3CK). I should have asked for an altimeter setting no matter how busy chicago approach was.
Original NASA ASRS Text
Title: ALT OVERSHOT AND POTENTIAL CONFLICT BY DEP GA ACFT IN THE CLASS B OF ORD. GA ACFT COMES CLOSE TO AN ACR ACFT WHEN NOT HAVING SET THE CORRECT ALTIMETER SETTING IN HIS INST PRIOR TO DEP 3CK, IL.
Narrative: TOOK OFF 3CK NEAR CHICAGO VFR. WHILE CLBING OUT I PICKED UP THE IFR CLRNC FROM CHICAGO APCH. THE CLRNC WAS 'RADAR VECTORS CLB TO 3000 FT.' I RPTED LEVEL 3000 FT AND SAW A JET GO BY ON MY L SIDE. CHICAGO APCH ASKED MY ALT AND I TOLD THEM I WAS LEVEL 3000 FT. CHICAGO TOLD ME I WAS AT 3700 FT. I IMMEDIATELY ASKED FOR AN ALTIMETER SETTING, THE ALTIMETER SETTING WAS 700 FT DIFFERENT FROM WHAT MY ALTIMETER READ. CHICAGO APCH NEVER GAVE ME AN ALTIMETER SETTING WHEN I PICKED UP MY IFR CLRNC AND I INCORRECTLY SET MY ALTIMETER WHEN I DEPARTED LAKE IN THE HILLS ARPT (3CK). I SHOULD HAVE ASKED FOR AN ALTIMETER SETTING NO MATTER HOW BUSY CHICAGO APCH WAS.
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.