Date:	Thursday 28 July 1938
Time:
Type:	Martin M-130
Owner/operator:	Pan American Airways (Pan Am)
Registration:	NC14714
MSN:	556
Year of manufacture:	1934
Total airframe hrs:	4806 hours
Engine model:	Pratt & Whitney R-1830-S2A5G
Fatalities:	Fatalities: 15 / Occupants: 15
Aircraft damage:	Aircraft missing, written off
Category:	Accident
Location:	E off Manila, Philippines -   Pacific Ocean
Phase:	En route
Nature:	Passenger - Scheduled
Departure airport:	Guam-Apra Harbor Seaplane Base
Destination airport:	Manila Airport (MNL/RPLL)

Narrative:
Martin flying boat "Hawaii Clipper" departed Alameda on a flight across the Pacific Ocean to Manila. Intermediate stops were made in Hawaii and Guam.
The airplane departed Guam at 11:39 (18:30 CST). The last radio contact was at 22:03 CST saying that it was 565 miles from the Philippine coast, flying through layers of clouds and moderately rough air.
The aircraft failed to arrive at Manila and a search was initiated.
On 30 July, the Unites States Army transport ship USAT Meigs discovered an oil slick approximately 28 nautical miles (52 kilometers) south-southeast of the flying boat’s last reported position. The slick was described as being approximately 1,500 feet (457 meters) in circumference. No physical evidence of the Martin M-130 has ever been found.
Search for the plane was called off on August 5, 1938.

thisdayinaviation.com
Comb Ocean for Hawaii Clipper With 15 Aboard (Brainerd Daily Dispatch, 1938-07-29)

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