Captain of a learjet 35 failed to maintain runway heading during departure SID causing a loss of separation with another aircraft and departure controller intervention.

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Attributes
ACN	485330
Time
Date	200009
Day	Tue
Local Time Of Day	1201 To 1800
Place
Locale Reference	navaid : clt.vortac
State Reference	NC
Altitude	msl single value : 5000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : clt.tracon
Operator	general aviation : corporate
Make Model Name	Learjet 35
Operating Under FAR Part	Part 91
Navigation In Use	other vortac
Flight Phase	climbout : intermediate altitude
Route In Use	departure sid : pan 5. pan
Flight Plan	IFR
Aircraft 2
Controlling Facilities	tracon : clt.tracon
Make Model Name	Any Unknown or Unlisted Aircraft Manufacturer
Navigation In Use	other vortac
Flight Phase	climbout : intermediate altitude
Flight Plan	IFR
Person 1
Affiliation	company : corporate
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 60 flight time total : 7500 flight time type : 1500
ASRS Report	485330
Person 2
Affiliation	company : corporate
Function	flight crew : first officer
Qualification	pilot : multi engine pilot : commercial pilot : instrument
Events
Anomaly	non adherence : published procedure non adherence : far non adherence : clearance other spatial deviation
Independent Detector	atc equipment other atc equipment : radar other controllera
Resolutory Action	controller : issued alert flight crew : took precautionary avoidance action other
Miss Distance	horizontal : 6000 vertical : 1000
Supplementary
Problem Areas	Chart Or Publication Flight Crew Human Performance
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation
Situations
Chart	sid : pan. 5 pan

Narrative:

Learjet 35 was given a clearance 'panther 5 departure' to the meril intersection. Upon departure, we were assigned runway heading which coincides with the panther departure. After being handed off to radar, we were acknowledged without further instruction. I then turned to left to follow the transition route to meril intersection. Before I could finish the turn, the radar controller gave me an immediate turn back to the right and contested that I should have remained on runway heading. Note 'a' of the charlotte-panther 5 departure procedure states 'via vector to intercept assigned radial associated with issued transition.' I believe this departure procedure has conflicting expectations and is not clear that a pilot should stay on runway heading after passing (while) assigned transition (radial).

Original NASA ASRS Text

Title: CAPT OF A LEARJET 35 FAILED TO MAINTAIN RWY HDG DURING DEP SID CAUSING A LOSS OF SEPARATION WITH ANOTHER ACFT AND DEP CTLR INTERVENTION.

Narrative: LEARJET 35 WAS GIVEN A CLRNC 'PANTHER 5 DEP' TO THE MERIL INTXN. UPON DEP, WE WERE ASSIGNED RWY HDG WHICH COINCIDES WITH THE PANTHER DEP. AFTER BEING HANDED OFF TO RADAR, WE WERE ACKNOWLEDGED WITHOUT FURTHER INSTRUCTION. I THEN TURNED TO L TO FOLLOW THE TRANSITION RTE TO MERIL INTXN. BEFORE I COULD FINISH THE TURN, THE RADAR CTLR GAVE ME AN IMMEDIATE TURN BACK TO THE R AND CONTESTED THAT I SHOULD HAVE REMAINED ON RWY HDG. NOTE 'A' OF THE CHARLOTTE-PANTHER 5 DEP PROC STATES 'VIA VECTOR TO INTERCEPT ASSIGNED RADIAL ASSOCIATED WITH ISSUED TRANSITION.' I BELIEVE THIS DEP PROC HAS CONFLICTING EXPECTATIONS AND IS NOT CLR THAT A PLT SHOULD STAY ON RWY HDG AFTER PASSING (WHILE) ASSIGNED TRANSITION (RADIAL).

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.