Air carrier X erroneous penetration of restricted airspace. Operational deviation.

Attributes
ACN	187183
Time
Date	199108
Day	Fri
Local Time Of Day	0601 To 1200
Place
Locale Reference	atc facility : tay
State Reference	FL
Altitude	msl bound lower : 19500 msl bound upper : 24000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zjx
Operator	common carrier : air carrier
Make Model Name	Large Transport, Low Wing, 3 Turbojet Eng
Flight Phase	descent other
Route In Use	enroute : direct
Flight Plan	IFR
Person 1
Affiliation	government : faa
Function	controller : radar
Qualification	controller : radar
Experience	controller non radar : 10 controller radar : 8
ASRS Report	187183
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Events
Anomaly	non adherence : published procedure other anomaly other
Independent Detector	other other : unspecified atc
Resolutory Action	none taken : detected after the fact
Consequence	Other
Supplementary
Primary Problem	ATC Human Performance
Air Traffic Incident	Operational Deviation

Narrative:

Air carrier X was eastbound on J2 to jax. Air carrier X was cleared to cross five zero mi west of tay at FL240. Air carrier X read back cross 50 mi west of tay at one four zero. The erroneous readback was not caught until the aircraft had descended to FL195 and had violated R28 (tlh lows) airspace.

Original NASA ASRS Text

Title: ACR X ERRONEOUS PENETRATION OF RESTRICTED AIRSPACE. OPDEV.

Narrative: ACR X WAS EBOUND ON J2 TO JAX. ACR X WAS CLRED TO CROSS FIVE ZERO MI W OF TAY AT FL240. ACR X READ BACK CROSS 50 MI W OF TAY AT ONE FOUR ZERO. THE ERRONEOUS READBACK WAS NOT CAUGHT UNTIL THE ACFT HAD DSNDED TO FL195 AND HAD VIOLATED R28 (TLH LOWS) AIRSPACE.

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.