An M20 taxies onto runway 4L at bos without clearance. Pilot had been told to hold short.

Attributes
ACN	428986
Time
Date	199902
Day	Sun
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : bos.airport
State Reference	MA
Altitude	agl single value : 0
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tower : bos.tower tower : rno.tower
Operator	general aviation : personal
Make Model Name	M-20 Scotsman
Operating Under FAR Part	Part 91
Flight Phase	ground : taxi ground : holding
Flight Plan	VFR
Aircraft 2
Controlling Facilities	tower : bos.tower
Operator	common carrier : air carrier
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 121
Navigation In Use	ils localizer & glide slope : 04l
Flight Phase	descent : approach landing : go around
Route In Use	approach : straight in approach : instrument precision
Flight Plan	IFR
Person 1
Affiliation	other
Function	flight crew : single pilot
Qualification	pilot : student pilot : instrument
Experience	flight time last 90 days : 50 flight time total : 650 flight time type : 160
ASRS Report	428986
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Events
Anomaly	conflict : ground less severe incursion : runway non adherence : clearance non adherence : far
Independent Detector	other controllera
Resolutory Action	controller : issued alert controller : issued new clearance flight crew : executed go around
Consequence	faa : reviewed incident with flight crew
Miss Distance	horizontal : 24000 vertical : 1500
Supplementary
Problem Areas	Flight Crew Human Performance Airport ATC Human Performance
Primary Problem	ATC Human Performance
Air Traffic Incident	Operational Deviation

Narrative:

Bos airport, mooney xx told to hold short at taxiway K on parallel taxiway to runway 4L at bos. Ground controller told mooney xx to make right turn onto taxiway west and taxi to runway 4L. (No hold short instructions given.) runway 4L numbers only +/-30 ft from taxiway K. No hold short line observed between taxiway K and runway 4L numbers. At same time as given taxi to runway 4L from taxiway K, ground controller told mooney xx to monitor tower. As mooney xx taxied into position, tower controller told commuter to go around. No separation lost. Tower controller then told mooney xx to taxi off runway 4L and hold short on taxiway. Tower controller told mooney xx to call tower when realizing destination. When tower called, controller told pilot no action, bad instructions, apologetic.

Original NASA ASRS Text

Title: AN M20 TAXIES ONTO RWY 4L AT BOS WITHOUT CLRNC. PLT HAD BEEN TOLD TO HOLD SHORT.

Narrative: BOS ARPT, MOONEY XX TOLD TO HOLD SHORT AT TXWY K ON PARALLEL TXWY TO RWY 4L AT BOS. GND CTLR TOLD MOONEY XX TO MAKE R TURN ONTO TXWY W AND TAXI TO RWY 4L. (NO HOLD SHORT INSTRUCTIONS GIVEN.) RWY 4L NUMBERS ONLY +/-30 FT FROM TXWY K. NO HOLD SHORT LINE OBSERVED BTWN TXWY K AND RWY 4L NUMBERS. AT SAME TIME AS GIVEN TAXI TO RWY 4L FROM TXWY K, GND CTLR TOLD MOONEY XX TO MONITOR TWR. AS MOONEY XX TAXIED INTO POS, TWR CTLR TOLD COMMUTER TO GO AROUND. NO SEPARATION LOST. TWR CTLR THEN TOLD MOONEY XX TO TAXI OFF RWY 4L AND HOLD SHORT ON TXWY. TWR CTLR TOLD MOONEY XX TO CALL TWR WHEN REALIZING DEST. WHEN TWR CALLED, CTLR TOLD PLT NO ACTION, BAD INSTRUCTIONS, APOLOGETIC.

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.