Air carrier X had less than standard separation from atx Y. System error.

Attributes
ACN	141134
Time
Date	199003
Day	Thu
Local Time Of Day	1201 To 1800
Place
Locale Reference	atc facility : mkk
State Reference	HI
Altitude	msl bound lower : 3000 msl bound upper : 3000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zhn tower : mkk
Operator	common carrier : air carrier
Make Model Name	Medium Transport
Navigation In Use	Other
Flight Phase	climbout : intermediate altitude
Route In Use	enroute : direct
Flight Plan	IFR
Aircraft 2
Operator	common carrier : air taxi
Make Model Name	Light Transport, Low Wing, 2 Turboprop Eng
Flight Phase	descent other
Route In Use	arrival other
Flight Plan	IFR
Person 1
Affiliation	government : faa
Function	controller : local
Qualification	controller : non radar
Experience	controller non radar : 9
ASRS Report	141134
Person 2
Affiliation	government : faa
Function	controller : local
Qualification	controller : developmental
Events
Anomaly	conflict : airborne less severe non adherence : published procedure non adherence : required legal separation
Independent Detector	atc equipment other atc equipment : unspecified
Resolutory Action	none taken : insufficient time
Consequence	faa : investigated
Miss Distance	horizontal : 16800
Supplementary
Primary Problem	ATC Human Performance
Air Traffic Incident	Operational Error

Narrative:

Reporter working all tower position instructing a trainee. Trainee copied ATC clearance correctly, 'hapai departure lokie transition V8 hnl maintain 50.' trainee read clearance to air carrier X as 'V8 hnl maintain 50.' air carrier X made a turn at 1500' to proceed to V8. Conflicted with atx Y 3 mi west of airport. System error filed.

Original NASA ASRS Text

Title: ACR X HAD LESS THAN STANDARD SEPARATION FROM ATX Y. SYSTEM ERROR.

Narrative: RPTR WORKING ALL TWR POS INSTRUCTING A TRAINEE. TRAINEE COPIED ATC CLRNC CORRECTLY, 'HAPAI DEP LOKIE TRANSITION V8 HNL MAINTAIN 50.' TRAINEE READ CLRNC TO ACR X AS 'V8 HNL MAINTAIN 50.' ACR X MADE A TURN AT 1500' TO PROCEED TO V8. CONFLICTED WITH ATX Y 3 MI W OF ARPT. SYS ERROR FILED.

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.