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Instructor with instrument student flies through class D airspace believing that the tower is closed. It is not as they determine after the fact.
| Attributes | |
| ACN | 376150 |
| Time | |
| Date | 199708 |
| Day | Sun |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | atc facility : iln |
| State Reference | OH |
| Altitude | msl bound lower : 3000 msl bound upper : 3000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tower : iln |
| Operator | general aviation : personal |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Operating Under FAR Part | Part 91 |
| Flight Phase | cruise other |
| Flight Plan | None |
| Person 1 | |
| Affiliation | Other |
| Function | instruction : instructor |
| Qualification | pilot : atp pilot : cfi pilot : instrument |
| Experience | flight time last 90 days : 100 flight time total : 4500 flight time type : 30 |
| ASRS Report | 376150 |
| Person 2 | |
| Affiliation | Other |
| Function | flight crew : single pilot |
| Qualification | pilot : private |
| Events | |
| Anomaly | other anomaly other |
| Independent Detector | other flight crewa |
| Resolutory Action | none taken : detected after the fact |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
During instrument competency check we tracked the mxq VOR R-090 to/from mxq as we passed over iln airport. We monitored CTAF (tower) 119.47 approximately 15 mi out and until about 15 mi clear. We thought the tower class D was inactive until later in the day based on discussions with other pilots. After checking with flight service, we realized that the tower opened at XY30Z, not local time and realized we inadvertently flew through the class D airspace. Ways to avoid this: publish tower times on charts (sectional).
Original NASA ASRS Text
Title: INSTRUCTOR WITH INST STUDENT FLIES THROUGH CLASS D AIRSPACE BELIEVING THAT THE TWR IS CLOSED. IT IS NOT AS THEY DETERMINE AFTER THE FACT.
Narrative: DURING INST COMPETENCY CHK WE TRACKED THE MXQ VOR R-090 TO/FROM MXQ AS WE PASSED OVER ILN ARPT. WE MONITORED CTAF (TWR) 119.47 APPROX 15 MI OUT AND UNTIL ABOUT 15 MI CLR. WE THOUGHT THE TWR CLASS D WAS INACTIVE UNTIL LATER IN THE DAY BASED ON DISCUSSIONS WITH OTHER PLTS. AFTER CHKING WITH FLT SVC, WE REALIZED THAT THE TWR OPENED AT XY30Z, NOT LCL TIME AND REALIZED WE INADVERTENTLY FLEW THROUGH THE CLASS D AIRSPACE. WAYS TO AVOID THIS: PUBLISH TWR TIMES ON CHARTS (SECTIONAL).
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.