Casualties unknown

Engine Failure During Training Flight Results in Ditching (N3043D)

Mokuleia, HI, US

On January 19, 1991, a Piper PA-28-181 (registration N3043D) operated by Cosmo Flying School Inc. was involved in an aviation accident near Mokuleia, HI. Investigators recorded the probable cause as: THE CFI'S FAILURE TO USE CARBURETOR HEAT. A FACTOR WAS THE MANUFACTURER'S INADEQUATE PROCEDURE. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive; 4 related events involving the same aircraft type or operator are linked below.

Sourcesthe U.S. National Transportation Safety Board (NTSB) historical archivePrimary reportUpdated 2026-07-04Data APIEditorial standards

During a student's first training flight, the engine lost power while executing touch-and-go landings. The aircraft was subsequently ditched in the surf line. Conditions were conducive to carburetor icing, and carburetor heat was not used.

Accident Summary

On a student's first training flight, the aircraft experienced a loss of engine power during touch-and-go landings. The pilot executed a ditching in the surf line. No mechanical malfunction was identified following the event.

Circumstances

The flight involved a student pilot under the supervision of a certified flight instructor (CFI). The power loss occurred during the touch-and-go phase of training. The aircraft was ditched in the surf line.

Conditions and Carburetor Icing

Power settings and meteorological conditions at the time were conducive to the formation of carburetor icing. Carburetor icing can occur in certain temperature and humidity ranges, particularly at reduced power settings.

Manufacturer's Recommendations

The aircraft manufacturer does not recommend the use of carburetor heat as a normal precaution during approach and landing. The CFI did not indicate the use of carburetor heat during the flight.

Findings

Post-accident examination revealed no mechanical malfunctions. The investigation did not establish a definitive cause for the power loss, though conditions were favorable for carburetor icing.

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Frequently asked questions

What happened in the 19 Jan 1991 Piper PA-28-181 accident near Mokuleia, HI?

During a student's first training flight, the engine lost power while executing touch-and-go landings. The aircraft was subsequently ditched in the surf line. Conditions were conducive to carburetor icing, and carburetor heat was not used.

What aircraft was involved and where did it happen?

The accident on 19 Jan 1991 involved a Piper PA-28-181, registration N3043D, operated by Cosmo Flying School Inc., at Mokuleia, HI.

What was the probable cause of the accident?

THE CFI'S FAILURE TO USE CARBURETOR HEAT. A FACTOR WAS THE MANUFACTURER'S INADEQUATE PROCEDURE.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001212X16336. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.