- Date
- July 22, 1982, 21:02 local (Jul 23, 1982, 04:02 UTC)
- Place
- Mercer Island, WA
- Injuries
- 6 fatal
- Phase of flight
- Enroute
- Weather
- Visual (VMC) · Dusk
- Status
- Completed · report July 22, 1983
- Report
- Approved by Office Director
- FAA reports
- 19820722060421A19820722060422A
- Case key
- 71662
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
On this page
Sequence of events
NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.
Analysis
N2428E, a C-172, had departed sea-tac arpt for a VFR flt to snohomish, WA, about 27 mi on the 355 deg radial from the sea-tac VORTAC. It proceeded nnw over the west shore of Mercer Island located approximately 10 mi north of the sea-tac arpt. N761EL, a C-A152, was southwest bound preparing for entry into the Boeing field arpt traffic area. The plt's last radio contact had been a position report to Boeing field tower. Boeing field is located approximately 5 mi nnw of sea-tac arpt. The two acft collided about 1500 ft MSL over the nw end of Mercer Island. The collision point is about 5 mi NE of Boeing field. The block of tca airspace over the crash site has a "floor" of 3000 ft. the collision occurred at a lat of 47-35N & long of 122-15W.
Aircraft · 2
- Registration
- N2428E
- Reported as
- Cessna 172
- Category
- Airplane
- Serial number
- 17271279
- Airframe hours
- 845
- Engine
- Lycoming O-320-H2AD, 150 horsepower, reciprocating
- Damage
- Destroyed
- Fire
- On-Ground
- Flight
- Personal · Part 91
- Operator
- Snohomish Flying Service, Inc.
- Registered owner
- Richard Harvey
- Departed
- SEA · Seattle, WA
- Destination
- S43 · Snohoimsh, WA
Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.
- Registration
- N761EL
- Reported as
- Cessna A152
- Category
- Airplane
- Serial number
- A1520945
- Airframe hours
- 640
- Engine
- Lycoming O-235-L2C, 110 horsepower, reciprocating
- Damage
- Destroyed
- Flight
- Personal · Part 91
- Operator
- Galvin Flying Service
- Registered owner
- Robert O. Thompson, Jr.
- Departed
- BFI · Seattle, WA
- Destination
- BFI · Seattle, WA
Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.
Flight crew · 2
As NTSB recorded them. NTSB leaves out names.
- Role
- Pilot, aircraft N2428E
- Age
- 35
- Certificate
- Private
- Airplane ratings
- Single-engine land
- Instrument ratings
- Airplane
- Medical
- Class 2, Valid Medical--w/ waivers/lim
- Flight hours
- 750 total · 700 as pilot in command
- Role
- Pilot, aircraft N761EL
- Age
- 31
- Certificates
- Commercial, Flight instructor
- Airplane ratings
- Multi-engine land, Single-engine land
- Instrument ratings
- Airplane
- Medical
- Class 1, Valid Medical--w/ waivers/lim
- Flight hours
- 1,362 total · 39 in this make and model · 795 as pilot in command · 143 in the last 90 days · 3 in the last 24 hours
Weather
- Conditions
- Visual (VMC) · Dusk
- Wind
- 330° at 13 knots
- Visibility
- 65 statute miles
- Temperature
- 147 °F
- Altimeter
- 30.00 inHg
- Observed at
- BFJ, 5 nm away
FAA reports on this event · 2
The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.