# Accident 19990829024669A: Cessna 170B, Cooper Landing, AK, August 29, 1999

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: August 29, 1999, 13:40 local time
- Place: Cooper Landing, AK
- Damage: Destroyed
- Phase of flight: Normal Cruise
- Operating rules: General operating rules (Part 91)
- Location: 67.2398° N, 161.1896° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=67.2398&lon=-161.1896&mi=10
- Aircraft: N3402D, a cancelled registration (https://openairdocs.org/deregistered/N3402D-2015-05-20) (OpenAirDocs)
- Registry model: Cessna 170B (registry code 2072306, https://openairdocs.org/model/cessna-170b) (OpenAirDocs)
- Registry engine: Continental 0-300 series (registry code 17022, https://openairdocs.org/engine/continental-0-300-series) (OpenAirDocs)
- Reported make and model: CESSNA 170B
- Reported engine: LYC O360A1A
- People aboard: 2
- Fatal injuries: 2
- Pilot flight hours: 600 total
- NTSB investigation: [NTSB ANC99FA128](https://openairdocs.org/ntsb/ANC99FA128) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19990829024669A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

(.19) ON AUGUST 29, 1999, AT AN ESTIMATED TIME OF 1340 ALASKA DAYLIGHT TIME, A FLOAT EQUIPPED CESSNA 170B AIRPLANE, N3402D, WAS DESTROYED BY IMPACT AND POSTIMPACT FIRE AFTER COLLIDING WITH MOUNTAINOUS TERRAIN, ABOUT 4.3 MILES NORTH-NORTHEAST OF COOPER LANDING, ALASKA, AT LONGITUTDE 60 DEGREES, 32.586 MINUTES NORTH, AND LONGITUDE 149 DEGREES, 43.760 MINUTES WEST. THE AIRPLANE WAS BEING OPERATED BY THE PILOT.  THE PRIVATE CERTIFICATED PILOT, AND THE SOLE PASSENGER, RECEIVED FATAL INJURIES.  VISUAL METEOROLOGICAL CONDITIONS PREVAILED IN THE AREA.  THE FLIGHT ORIGINATED AT THE SUMMIT LAKE SEAPLANE BASE, LOCATED 7 MILES NORTHWEST OF MOOSE PASS, ALASKA, ABOUT 1320.  AFTER DEPARTURE FROM SUMMIT LAKE, A FAMILY MEMBER REPORTED THE PILOT INTENDED TO FLY OVER GLACIERS NEAR SEWARD, ALASKA, AND THEN RETURN TO ANCHORAGE, ALASKA, FOR LANDING AT A PRIVATE LAKE.  THE AIRPLANE DID NOT ARRIVE, AND WAS REPORTED OVERDUE ON AUGUST 30, 1999, AT 1011.  SEARCH PERSONNEL LOCATED THE WRECKAGE AT 3,100 FEET MSL ON AUGUST 31, 1999, AT 1522.                      (-23) ON AUGUST 29, 1999, A FLOAT EQUIPPED CESSNA 170B AIRPLANE N3402D, WAS DESTROYED BY IMPACT AND POST IMPACT FIRE AFTER COLLIDING WITH MOUNTAINOUS  TERRAIN. THE PILOT AND THE SOLE PASSENGER RECEIVED FATAL INJURIES. (.4) THE PRIVATE CERTIFICATED PILOT DEPARTED ON A CROSS-COUNTRY FLIGHT FROM A LAKE IN A FLOAT EQUIPPED AIRPLANE. HE INTENDED TO FLY OVER GLACIERS IN THE AREA, AND RETURN TO A PRIVATE LAKE. THE AIRPLANE DID NOT ARRIVE, AND WAS REPORTED OVERDUE. SEARCH PERSONNEL LOCATED THE WRECKAGE AT 3,100 FEET MSL, TWO DAYS LATER. THE WRECKAGE WAS RESTING IN A NEAR VERTICAL ATTITUDE IN MOUNTAINOUS TERRAIN. EXCEPT FOR THE EMPENNAGE, A PORTION OF ONE WING, AND THE FLOATS, THE AIRPLANE WAS CONSUMED BY FIRE. VFR CONDITIONS PREVAILED. A POSTACCIDENT EXAMINATION OF THE AIRPLANE DID NOT REVEAL ANY MECHANICAL MALFUNCTION.

## The NTSB's investigation of this event (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB ANC99FA128](https://openairdocs.org/ntsb/ANC99FA128), Aug 29, 1999: Cessna 170B (N3402D), Cooper Landing, AK, destroyed, 2 fatal. Probable cause: The pilot's inadvertent stall.

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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