Aircraft equipment problem. Loss of essential AC power. In holding reporter aircraft had AC essential power loss. Resulting loss of navigation instruments transponder etc, may have caused separation problems with other aircraft. Reporter diverted flight.

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Attributes
ACN	334982
Time
Date	199605
Day	Mon
Local Time Of Day	1201 To 1800
Place
Locale Reference	atc facility : stw
State Reference	NJ
Altitude	msl bound lower : 9000 msl bound upper : 9000
Aircraft 1
Controlling Facilities	artcc : zny tower : phx
Operator	common carrier : air carrier
Make Model Name	Fokker 100
Operating Under FAR Part	Part 121
Navigation In Use	Other Other
Flight Phase	other
Route In Use	enroute airway : zny
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
ASRS Report	334982
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp
Events
Anomaly	aircraft equipment problem : critical conflict : airborne less severe other anomaly other
Independent Detector	aircraft equipment other aircraft equipment : unspecified other flight crewa
Resolutory Action	flight crew : declared emergency none taken : unable
Consequence	Other
Supplementary
Primary Problem	Aircraft

Narrative:

Location: penns intersection. Diverted to pit after loss of essential AC bus power. Loss of transponder, radar and other navigational equipment caused possible conflict with other holding aircraft at penns intersection. Location: penns intersection in holding at 9000 ft holding at penns intersection, 9000 ft essential AC power failed.

Original NASA ASRS Text

Title: ACFT EQUIP PROB. LOSS OF ESSENTIAL AC PWR. IN HOLDING RPTR ACFT HAD AC ESSENTIAL PWR LOSS. RESULTING LOSS OF NAV INSTS XPONDER ETC, MAY HAVE CAUSED SEPARATION PROBS WITH OTHER ACFT. RPTR DIVERTED FLT.

Narrative: LOCATION: PENNS INTXN. DIVERTED TO PIT AFTER LOSS OF ESSENTIAL AC BUS PWR. LOSS OF XPONDER, RADAR AND OTHER NAVIGATIONAL EQUIP CAUSED POSSIBLE CONFLICT WITH OTHER HOLDING ACFT AT PENNS INTXN. LOCATION: PENNS INTXN IN HOLDING AT 9000 FT HOLDING AT PENNS INTXN, 9000 FT ESSENTIAL AC PWR FAILED.

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.