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Pilot of a robinson R22 helicopter flew through class C airspace during a power line patrol without contacting approach control. He was not fully aware of his exact position due to not having any radio navigation equipment aboard. He learned of his error just prior to leaving the airspace.
| Attributes | |
| ACN | 417790 |
| Time | |
| Date | 199810 |
| Day | Sun |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | atc facility : mht |
| State Reference | NH |
| Altitude | agl bound lower : 70 agl bound upper : 100 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : mht |
| Operator | general aviation : instructional |
| Make Model Name | Robinson R22 |
| Operating Under FAR Part | Part 91 |
| Flight Phase | cruise other other |
| Flight Plan | None |
| Person 1 | |
| Affiliation | Other |
| Function | flight crew : single pilot |
| Qualification | pilot : instrument pilot : cfi pilot : commercial |
| Experience | flight time last 90 days : 240 flight time total : 1510 flight time type : 1240 |
| ASRS Report | 417790 |
| Person 2 | |
| Affiliation | government : faa |
| Function | controller : approach |
| Qualification | controller : radar |
| Events | |
| Anomaly | non adherence : far other anomaly other |
| Independent Detector | other flight crewa |
| Resolutory Action | none taken : insufficient time none taken : detected after the fact |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
I was on a power line patrol, with an R22 helicopter, flying at about 70-100 ft AGL without navigation equipment such as LORAN, GPS, VOR or ADF. Due to low altitude flight operation it is very difficult to locate position. We had started to patrol the power line about 15 NM northwest of bos flying nwbound to new hampshire where I flew through manchester class C airspace without radio call due to wrong estimated position. To prevent a recurrence or correct the situation greater preflight planning and navigation awareness.
Original NASA ASRS Text
Title: PLT OF A ROBINSON R22 HELI FLEW THROUGH CLASS C AIRSPACE DURING A PWR LINE PATROL WITHOUT CONTACTING APCH CTL. HE WAS NOT FULLY AWARE OF HIS EXACT POS DUE TO NOT HAVING ANY RADIO NAV EQUIP ABOARD. HE LEARNED OF HIS ERROR JUST PRIOR TO LEAVING THE AIRSPACE.
Narrative: I WAS ON A PWR LINE PATROL, WITH AN R22 HELI, FLYING AT ABOUT 70-100 FT AGL WITHOUT NAV EQUIP SUCH AS LORAN, GPS, VOR OR ADF. DUE TO LOW ALT FLT OP IT IS VERY DIFFICULT TO LOCATE POS. WE HAD STARTED TO PATROL THE PWR LINE ABOUT 15 NM NW OF BOS FLYING NWBOUND TO NEW HAMPSHIRE WHERE I FLEW THROUGH MANCHESTER CLASS C AIRSPACE WITHOUT RADIO CALL DUE TO WRONG ESTIMATED POS. TO PREVENT A RECURRENCE OR CORRECT THE SIT GREATER PREFLT PLANNING AND NAV AWARENESS.
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.