<< >> NASA ASRS Report 611297, March 2004

A low time, new hire BE9L first officer reported that he and his captain departed an uncontrolled field (3b0) 10 mins before cleared to do so by bdl.

Attributes
ACN	611297
Time
Date	200403
Day	Mon
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : 3b0.airport
State Reference	MA
Altitude	agl single value : 0
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : y90.tracon
Operator	common carrier : air taxi
Make Model Name	King Air C90 E90
Operating Under FAR Part	Part 135
Flight Plan	IFR
Aircraft 2
Flight Phase	climbout : takeoff climbout : initial ground : takeoff roll ground : preflight
Route In Use	departure : on vectors
Person 1
Affiliation	company : air taxi
Function	flight crew : first officer
Qualification	pilot : multi engine pilot : instrument pilot : commercial pilot : cfi
Experience	flight time last 90 days : 150 flight time total : 1200 flight time type : 60
ASRS Report	611297
Person 2
Affiliation	company : air taxi
Function	flight crew : captain oversight : pic
Events
Anomaly	airspace violation : entry non adherence : company policies non adherence : far non adherence : clearance non adherence : published procedure
Independent Detector	other controllera
Resolutory Action	controller : issued advisory controller : issued new clearance
Consequence	faa : reviewed incident with flight crew other
Supplementary
Problem Areas	Flight Crew Human Performance
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

At XA27Z, the captain telephoned bdl approach to obtain IFR clearance to bgr. He asked for a void time of XA45Z. The controller read our clearance. He heard and read back the clearance with a void time of XA45, advised no later than XA50, if not off. We then taxied out and departed. Upon contacting bdl departure, the controller advised us that 'it's not a problem today, but you departed 10 mins before your release time' (XA35Z). I was surprised and the captain told him that he had asked for and read back a void time of XA45Z. There was clearly a miscom understanding of the release and void times. The captain was sure that he read back a void time of XA45, even if the controller had said released at XA45, void at XA50. In either case, the controller did not catch his apparent misunderstanding of the release time/void time. Pilots and controllers must be vigilant on both issuing clrncs and copying them, as well as the hearback of the readbacks.

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Original NASA ASRS Text

Title: A LOW TIME, NEW HIRE BE9L FO RPTED THAT HE AND HIS CAPT DEPARTED AN UNCTLED FIELD (3B0) 10 MINS BEFORE CLRED TO DO SO BY BDL.

Narrative: AT XA27Z, THE CAPT TELEPHONED BDL APCH TO OBTAIN IFR CLRNC TO BGR. HE ASKED FOR A VOID TIME OF XA45Z. THE CTLR READ OUR CLRNC. HE HEARD AND READ BACK THE CLRNC WITH A VOID TIME OF XA45, ADVISED NO LATER THAN XA50, IF NOT OFF. WE THEN TAXIED OUT AND DEPARTED. UPON CONTACTING BDL DEP, THE CTLR ADVISED US THAT 'IT'S NOT A PROB TODAY, BUT YOU DEPARTED 10 MINS BEFORE YOUR RELEASE TIME' (XA35Z). I WAS SURPRISED AND THE CAPT TOLD HIM THAT HE HAD ASKED FOR AND READ BACK A VOID TIME OF XA45Z. THERE WAS CLRLY A MISCOM UNDERSTANDING OF THE RELEASE AND VOID TIMES. THE CAPT WAS SURE THAT HE READ BACK A VOID TIME OF XA45, EVEN IF THE CTLR HAD SAID RELEASED AT XA45, VOID AT XA50. IN EITHER CASE, THE CTLR DID NOT CATCH HIS APPARENT MISUNDERSTANDING OF THE RELEASE TIME/VOID TIME. PLTS AND CTLRS MUST BE VIGILANT ON BOTH ISSUING CLRNCS AND COPYING THEM, AS WELL AS THE HEARBACK OF THE READBACKS.

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.