Reporter and developmental local controller missed readback of aircraft #1 to hold short of the runway. Pilot repeated hold short in position and went into position on the runway. Aircraft #2 on final for the same runway was issued go around but continued approach while aircraft #1 exited the runway per instructions.

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Attributes
ACN	362066
Time
Date	199703
Day	Mon
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : apa
State Reference	CO
Altitude	agl bound lower : 0 agl bound upper : 0
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tower : apa
Operator	general aviation : instructional
Make Model Name	Skyhawk 172/Cutlass 172
Operating Under FAR Part	Part 91
Flight Phase	ground : holding ground other : taxi
Flight Plan	VFR
Aircraft 2
Operator	general aviation : corporate
Make Model Name	HS 125 Series 1-600
Operating Under FAR Part	Part 91
Flight Phase	descent : approach
Route In Use	approach : visual
Flight Plan	IFR
Person 1
Affiliation	government : faa
Function	controller : local other personnel other
Qualification	controller : radar
Experience	controller non radar : 5 controller radar : 3
ASRS Report	362066
Person 2
Affiliation	government : faa
Function	controller : local instruction : trainee
Qualification	controller : non radar
Events
Anomaly	incursion : runway non adherence : clearance non adherence : far
Independent Detector	other controllera
Resolutory Action	none taken : anomaly accepted
Consequence	faa : investigated
Miss Distance	horizontal : 500 vertical : 50
Supplementary
Primary Problem	ATC Human Performance
Air Traffic Incident	Pilot Deviation other

Narrative:

Aircraft #1 was a student solo wishing to depart to the practice area. Developmental local controller cleared aircraft #1 for takeoff and issued traffic on a 3 mi final (aircraft #2). Pilot of aircraft #1 did not respond in a timely manner to the control instruction, so developmental local controller told pilot of aircraft #1 to hold short of runway 17L. Both developmental and fpl local controllers heard the pilot read back 'hold short.' seconds later the fpl local controller saw aircraft #1 holding in position on runway 17L. Developmental told aircraft #1 to exit the runway, and aircraft #2 to go around. Aircraft #1 turned around and exited the runway, but aircraft #2 continued his approach over the threshold, intending to land now that runway was clear. Subsequent review of tape recordings showed that pilot of aircraft #1 read back 'hold short on runway 17L.' contributing factors: 1) controllers were cued in on 'hold short' and missed the rest of the readback. 2) student pilot of aircraft #1 was not properly prepared for solo flight, as he had no idea what 'hold short' meant. 3) aircrew of aircraft #2 was hell bent on landing (pressure to save money?) and made a bad situation worse by not complying with ATC instruction to go around.

Original NASA ASRS Text

Title: RPTR AND DEVELOPMENTAL LCL CTLR MISSED READBACK OF ACFT #1 TO HOLD SHORT OF THE RWY. PLT REPEATED HOLD SHORT IN POS AND WENT INTO POS ON THE RWY. ACFT #2 ON FINAL FOR THE SAME RWY WAS ISSUED GAR BUT CONTINUED APCH WHILE ACFT #1 EXITED THE RWY PER INSTRUCTIONS.

Narrative: ACFT #1 WAS A STUDENT SOLO WISHING TO DEPART TO THE PRACTICE AREA. DEVELOPMENTAL LCL CTLR CLRED ACFT #1 FOR TKOF AND ISSUED TFC ON A 3 MI FINAL (ACFT #2). PLT OF ACFT #1 DID NOT RESPOND IN A TIMELY MANNER TO THE CTL INSTRUCTION, SO DEVELOPMENTAL LCL CTLR TOLD PLT OF ACFT #1 TO HOLD SHORT OF RWY 17L. BOTH DEVELOPMENTAL AND FPL LCL CTLRS HEARD THE PLT READ BACK 'HOLD SHORT.' SECONDS LATER THE FPL LCL CTLR SAW ACFT #1 HOLDING IN POS ON RWY 17L. DEVELOPMENTAL TOLD ACFT #1 TO EXIT THE RWY, AND ACFT #2 TO GAR. ACFT #1 TURNED AROUND AND EXITED THE RWY, BUT ACFT #2 CONTINUED HIS APCH OVER THE THRESHOLD, INTENDING TO LAND NOW THAT RWY WAS CLR. SUBSEQUENT REVIEW OF TAPE RECORDINGS SHOWED THAT PLT OF ACFT #1 READ BACK 'HOLD SHORT ON RWY 17L.' CONTRIBUTING FACTORS: 1) CTLRS WERE CUED IN ON 'HOLD SHORT' AND MISSED THE REST OF THE READBACK. 2) STUDENT PLT OF ACFT #1 WAS NOT PROPERLY PREPARED FOR SOLO FLT, AS HE HAD NO IDEA WHAT 'HOLD SHORT' MEANT. 3) AIRCREW OF ACFT #2 WAS HELL BENT ON LNDG (PRESSURE TO SAVE MONEY?) AND MADE A BAD SIT WORSE BY NOT COMPLYING WITH ATC INSTRUCTION TO GAR.

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.