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Small aircraft pilot has difficulty remaining clear of sua over the grand canyon using VOR DME GPS and visual navigation. Possible airspace penetration. Given the terrain in this area it is most difficult to identify specific chkpoints to assure remaining clear.
| Attributes | |
| ACN | 352686 |
| Time | |
| Date | 199611 |
| Day | Sat |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : gcn |
| State Reference | AZ |
| Altitude | msl bound lower : 11500 msl bound upper : 11500 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zny |
| 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 | flight crew : single pilot |
| Qualification | pilot : commercial pilot : instrument |
| Experience | flight time last 90 days : 30 flight time total : 1300 flight time type : 600 |
| ASRS Report | 352686 |
| Events | |
| Anomaly | non adherence : far non adherence : published procedure other anomaly other |
| Independent Detector | other flight crewa |
| Resolutory Action | none taken : detected after the fact |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Navigational Facility |
| Air Traffic Incident | Pilot Deviation |
Narrative:
While using VOR/DME and GPS to locate the various waypoints marking the corridors, I could not be positively sure I was flying clear of the restr areas by ground reference. After flying to the waypoints and flying a heading up the corridor, I thought I could recognize terrain patterns to verify exact position as depicted on the chart. It was not that easy to recognize the terrain patterns.
Original NASA ASRS Text
Title: SMA PLT HAS DIFFICULTY REMAINING CLR OF SUA OVER THE GRAND CANYON USING VOR DME GPS AND VISUAL NAV. POSSIBLE AIRSPACE PENETRATION. GIVEN THE TERRAIN IN THIS AREA IT IS MOST DIFFICULT TO IDENT SPECIFIC CHKPOINTS TO ASSURE REMAINING CLR.
Narrative: WHILE USING VOR/DME AND GPS TO LOCATE THE VARIOUS WAYPOINTS MARKING THE CORRIDORS, I COULD NOT BE POSITIVELY SURE I WAS FLYING CLR OF THE RESTR AREAS BY GND REF. AFTER FLYING TO THE WAYPOINTS AND FLYING A HDG UP THE CORRIDOR, I THOUGHT I COULD RECOGNIZE TERRAIN PATTERNS TO VERIFY EXACT POS AS DEPICTED ON THE CHART. IT WAS NOT THAT EASY TO RECOGNIZE THE TERRAIN PATTERNS.
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.