An small aircraft had a partial power loss over the atlantic. ZMA provided a flight assist.

Attributes
ACN	229760
Time
Date	199212
Day	Sat
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : zfp
State Reference	FO
Altitude	msl bound lower : 8500 msl bound upper : 8500
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zma
Operator	general aviation : personal
Make Model Name	Small Aircraft, Low Wing, 1 Eng, Retractable Gear
Flight Phase	cruise other
Route In Use	enroute : on vectors enroute : atlantic enroute : other oceanic
Flight Plan	VFR
Person 1
Affiliation	Other
Function	flight crew : single pilot
Qualification	pilot : instrument pilot : private
Experience	flight time last 90 days : 30 flight time total : 850 flight time type : 800
ASRS Report	229760
Person 2
Affiliation	government : faa
Function	controller : radar
Qualification	controller : radar
Events
Anomaly	aircraft equipment problem : critical
Independent Detector	aircraft equipment other aircraft equipment : unspecified other flight crewa
Resolutory Action	controller : provided flight assist controller : issued new clearance flight crew : declared emergency
Consequence	Other
Supplementary
Primary Problem	Aircraft

Narrative:

In cruise 50 NM southeast of freeport loss of engine power, during flight following, ZMA declared emergency. Manifold pressure drop to 23 inches, oil pressure lost and RPM remained 2300. ZMA vectored me first to nearest land and then to nearest airport. No incident with other aircraft or other violations occurred. ZMA turned me over to freeport tower. I landed, no other damage to the aircraft other than F failed cylinder #1.

Original NASA ASRS Text

Title: AN SMA HAD A PARTIAL PWR LOSS OVER THE ATLANTIC. ZMA PROVIDED A FLT ASSIST.

Narrative: IN CRUISE 50 NM SE OF FREEPORT LOSS OF ENG PWR, DURING FLT FOLLOWING, ZMA DECLARED EMER. MANIFOLD PRESSURE DROP TO 23 INCHES, OIL PRESSURE LOST AND RPM REMAINED 2300. ZMA VECTORED ME FIRST TO NEAREST LAND AND THEN TO NEAREST ARPT. NO INCIDENT WITH OTHER ACFT OR OTHER VIOLATIONS OCCURRED. ZMA TURNED ME OVER TO FREEPORT TWR. I LANDED, NO OTHER DAMAGE TO THE ACFT OTHER THAN F FAILED CYLINDER #1.

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.