Part 92, page 175

Transcript

The scan is the source; the transcript is machine-generated from it.

SE 164-81 PD 164-81 RPH:csm 1

---

The following is a summary of investigation conducted by Portland Division in this matter:

AT PORTLAND INTERNATIONAL AIRPORT (PIA):

On the evening of November 24, 1971, beginning while the hijacking was in progress, Portland Agents interviewed airport, airlines and security personnel, taxicab and bus drivers, gift shop, insurance stands, car storage lot, car rental agency, coffee shop, cocktail lounge and dining room personnel in an effort to identify the unknown subject or develop background information. All interviews were negative except those with the Northwest Airlines ticket agent who sold unknown subject the ticket and the Boarding Gate Clerk, interviews of whom are reported separately.

---

SEARCH OF ROUTE FLOWN BY FLIGHT 305

On November 25, 1971, a low-altitude air search pattern was flown in a fixed-wing light aircraft at slow speed by SA RALPH P. HIMMELSBACH, accompanied by Chief ARTHUR ENDERLIN, West Linn Police Department, West Linn, Oregon, who[REDACTED]. This search covered an area of Clark County, Washington, from airway Victor 23 on the west to approximately eight miles east of Victor 23, and from Lake Merwin on the north to the city of Vancouver on the south. Nothing pertinent to this investigation was observed.

On November 29, 1971, that portion of the route flown by Flight 305 from Portland, Oregon to Eugene, Oregon was air- searched by two fixed-wing light aircraft flown by SAs[REDACTED] and RALPH P. HIMMELSBACH, respectively, with SAs[REDACTED] [REDACTED], respectively, as observers. On the same date, two Army National Guard jet helicopters also flew this search route. Each helicopter bore three crewmen. SAs[REDACTED] observed from one helicopter, and SAs[REDACTED] observed

---

550

DB Cooper-41049 [illegible handwritten text]

---

b6 b7C