Pilot of CE560 squawked 1200 when he cancelled IFR inbound to gai within the dc ADIZ.

Attributes
ACN	592113
Time
Date	200308
Day	Wed
Local Time Of Day	0601 To 1200
Place
Locale Reference	atc facility : pct.tracon
State Reference	CA
Altitude	msl single value : 1800
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : pct.tracon
Operator	general aviation : corporate
Make Model Name	Citation V
Operating Under FAR Part	Part 91
Flight Phase	descent : approach
Route In Use	approach : visual
Flight Plan	IFR
Person 1
Affiliation	company : corporate
Function	flight crew : first officer
Qualification	pilot : atp
Experience	flight time last 90 days : 100 flight time total : 3700 flight time type : 100
ASRS Report	592113
Person 2
Affiliation	company : corporate
Function	flight crew : captain oversight : pic
Events
Anomaly	non adherence : published procedure non adherence : far non adherence : clearance
Independent Detector	other controllerb
Resolutory Action	none taken : detected after the fact
Consequence	faa : assigned or threatened penalties faa : reviewed incident with flight crew
Supplementary
Problem Areas	Flight Crew Human Performance Airspace Structure Company
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation
Situations
Airspace Structure	special use : dcadiz.othersua

Narrative:

While being vectored towards gai under pct, we acquired visual contact with the field. We were told to cancel IFR, and switch to advisory. We did this and squawked 1200. We were still monitoring the arrival frequency and had him query us as to our intentions and gave us vectors to the north, then a phone number to call when we got on the ground. Factors: we noted the NOTAM for gai concerning the tfr, but could find no specific note of squawk 1200 being forbidden, and received no admonition from ATC to that effect. Being under radar control we assumed that we were protected. Corrective action: a more complete and accurate description in the NOTAM and in company information describing the prohibition against squawk 1200 in the ADIZ.

Original NASA ASRS Text

Title: PLT OF CE560 SQUAWKED 1200 WHEN HE CANCELLED IFR INBOUND TO GAI WITHIN THE DC ADIZ.

Narrative: WHILE BEING VECTORED TOWARDS GAI UNDER PCT, WE ACQUIRED VISUAL CONTACT WITH THE FIELD. WE WERE TOLD TO CANCEL IFR, AND SWITCH TO ADVISORY. WE DID THIS AND SQUAWKED 1200. WE WERE STILL MONITORING THE ARR FREQ AND HAD HIM QUERY US AS TO OUR INTENTIONS AND GAVE US VECTORS TO THE N, THEN A PHONE NUMBER TO CALL WHEN WE GOT ON THE GND. FACTORS: WE NOTED THE NOTAM FOR GAI CONCERNING THE TFR, BUT COULD FIND NO SPECIFIC NOTE OF SQUAWK 1200 BEING FORBIDDEN, AND RECEIVED NO ADMONITION FROM ATC TO THAT EFFECT. BEING UNDER RADAR CTL WE ASSUMED THAT WE WERE PROTECTED. CORRECTIVE ACTION: A MORE COMPLETE AND ACCURATE DESCRIPTION IN THE NOTAM AND IN COMPANY INFO DESCRIBING THE PROHIBITION AGAINST SQUAWK 1200 IN THE ADIZ.

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.