Small aircraft private pilot taxies without clearance.

Attributes
ACN	199384
Time
Date	199201
Day	Sat
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : mmu
State Reference	NJ
Altitude	agl bound lower : 0 agl bound upper : 0
Environment
Flight Conditions	VMC
Light	Dawn
Aircraft 1
Operator	general aviation : personal
Make Model Name	Small Aircraft, Low Wing, 1 Eng, Retractable Gear
Flight Phase	ground : preflight ground other : taxi
Flight Plan	IFR
Person 1
Affiliation	Other
Function	flight crew : single pilot
Qualification	pilot : instrument pilot : private
Experience	flight time last 90 days : 22 flight time total : 715 flight time type : 22
ASRS Report	199384
Events
Anomaly	non adherence : far non adherence : published procedure
Independent Detector	other controllera
Resolutory Action	none taken : detected after the fact
Consequence	Other
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

Morristown (mmu) evidently changed their operating hours, now commencing operations at XA45 am versus xb 00 am. I was not aware of this change and taxied as though the airport was uncontrolled. I learned of the change when I transmitted on the tower frequency my departure intentions, only to be answered by a controller. At no time was there any conflict or any other plane operating in the air traffic area. Solution: always listen to ATIS.

Original NASA ASRS Text

Title: SMA PRIVATE PLT TAXIES WITHOUT CLRNC.

Narrative: MORRISTOWN (MMU) EVIDENTLY CHANGED THEIR OPERATING HRS, NOW COMMENCING OPS AT XA45 AM VERSUS XB 00 AM. I WAS NOT AWARE OF THIS CHANGE AND TAXIED AS THOUGH THE ARPT WAS UNCTLED. I LEARNED OF THE CHANGE WHEN I XMITTED ON THE TWR FREQ MY DEP INTENTIONS, ONLY TO BE ANSWERED BY A CTLR. AT NO TIME WAS THERE ANY CONFLICT OR ANY OTHER PLANE OPERATING IN THE ATA. SOLUTION: ALWAYS LISTEN TO ATIS.

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.