Non adherence to ATC clearance.

Attributes
ACN	299086
Time
Date	199503
Day	Sun
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : gpt
State Reference	MS
Altitude	agl bound lower : 0 agl bound upper : 2500
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : gpt tower : gpt
Operator	general aviation : personal
Make Model Name	Any Unknown or Unlisted Aircraft Manufacturer
Operating Under FAR Part	Part 91
Flight Phase	descent other ground other : taxi other
Flight Plan	None
Person 1
Affiliation	Other
Function	flight crew : single pilot
Qualification	pilot : private pilot : instrument
Experience	flight time last 90 days : 25 flight time total : 2000 flight time type : 450
ASRS Report	299086
Person 2
Affiliation	government : faa
Function	controller : local
Qualification	controller : non radar
Events
Anomaly	altitude deviation : excursion from assigned altitude incursion : runway non adherence : clearance
Independent Detector	other controllera
Resolutory Action	none taken : detected after the fact
Consequence	faa : reviewed incident with flight crew
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

Was told to maintain 2500 ft - saw aircraft below me, and was told by approach to resume own navigation. Went down to pattern altitude and landed. Was told to call tower and was advised that I was not given permission to descend. Crossed runway also without talking to ground.

Original NASA ASRS Text

Title: NON ADHERENCE TO ATC CLRNC.

Narrative: WAS TOLD TO MAINTAIN 2500 FT - SAW ACFT BELOW ME, AND WAS TOLD BY APCH TO RESUME OWN NAV. WENT DOWN TO PATTERN ALT AND LANDED. WAS TOLD TO CALL TWR AND WAS ADVISED THAT I WAS NOT GIVEN PERMISSION TO DSND. CROSSED RWY ALSO WITHOUT TALKING TO GND.

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.