<< >> NASA ASRS Report 121086, August 1989

Small aircraft pilot received no response on call to ground or tower. Broadcast intentions, taxied and took off without clearance.

Attributes
ACN	121086
Time
Date	198908
Day	Thu
Local Time Of Day	1801 To 2400
Place
Locale Reference	atc facility : zzz
Altitude	agl bound lower : 0 agl bound upper : 0
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Operator	general aviation : instructional
Make Model Name	Small Aircraft, Low Wing, 1 Eng, Retractable Gear
Flight Phase	climbout : takeoff ground : preflight ground other : taxi
Flight Plan	None
Person 1
Affiliation	Other
Function	flight crew : single pilot
Qualification	pilot : private
Experience	flight time last 90 days : 18 flight time total : 350 flight time type : 75
ASRS Report	121086
Person 2
Affiliation	government : faa
Function	controller : local
Qualification	controller : non radar
Events
Anomaly	aircraft equipment problem : less severe incursion : runway other anomaly other
Independent Detector	other controllera
Resolutory Action	none taken : detected after the fact
Consequence	Other
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

On the GA ramp: called ground, no response. Called tower, no response. Noted that this is a P/T tower. Heard on the radio, and visually observed, an small transport announcing and executing a go around. Looked for other traffic, there was none. Broadcast intentions and took off. No other aircraft was inconvenienced. Could have been prevented if tower had announced: 'aircraft calling...carrier only, no modulation.' I did carry a hand-held backup radio, which could have been used. Upon return to home airport. Promptly arranged with radio shop to take care of the matter.

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Original NASA ASRS Text

Title: SMA PLT RECEIVED NO RESPONSE ON CALL TO GND OR TWR. BROADCAST INTENTIONS, TAXIED AND TOOK OFF WITHOUT CLRNC.

Narrative: ON THE GA RAMP: CALLED GND, NO RESPONSE. CALLED TWR, NO RESPONSE. NOTED THAT THIS IS A P/T TWR. HEARD ON THE RADIO, AND VISUALLY OBSERVED, AN SMT ANNOUNCING AND EXECUTING A GAR. LOOKED FOR OTHER TFC, THERE WAS NONE. BROADCAST INTENTIONS AND TOOK OFF. NO OTHER ACFT WAS INCONVENIENCED. COULD HAVE BEEN PREVENTED IF TWR HAD ANNOUNCED: 'ACFT CALLING...CARRIER ONLY, NO MODULATION.' I DID CARRY A HAND-HELD BACKUP RADIO, WHICH COULD HAVE BEEN USED. UPON RETURN TO HOME ARPT. PROMPTLY ARRANGED WITH RADIO SHOP TO TAKE CARE OF THE MATTER.

Data retrieved from NASA's ASRS site as of August 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.