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SEA00IA007 · Cessna 172P

23 Oct 1999 · Wenatchee, WA, United States

Cessna 172P and Kenneth Miller RV-6A · Incident: midair collision on approach

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Event

NTSB case
SEA00IA007
Event typeAccident: someone killed or seriously injured, or the aircraft substantially damaged (NTSB definition). Incident: an occurrence that affected or could have affected safety, short of that. Glossary
Incident
InvestigationHow far the investigation had got when the record was published: preliminary, ongoing, final or completed. Unknown where the source does not say. Glossary
Completed
API-reported fatalities
0 · all aircraft and ground
Ground fatalities
0
OperationWhat kind of flying it was, grouped by the rules it flew under: airline (US Part 121), air taxi and commuter (Part 135), general aviation (Part 91 and similar), military or government. Glossary
General aviation
WeatherVisual meteorological conditions (VMC): good enough to fly by looking outside. Instrument conditions (IMC): cloud or low visibility, flying by instruments. Glossary
Visual Meteorological Cond

Aircraft 1 · Cessna 172P

Aircraft type
Cessna 172
Category
Airplane
RegistrationThe aircraft's tail number, such as N12345 or G-ABCD. Registrations are reissued, so the same one years apart can be a different aircraft. Glossary
N54844
Operator
Unknown
Onboard fatalities
Unknown
Route
From Pangborn Memorial Airport (EAT)To not recorded
Aircraft age
Not recorded
Flight rulesThe regulations the flight operated under: in the US, Part 91 (general aviation), Part 121 (airlines), Part 135 (air taxi and commuter) and others; for flights abroad, the NTSB's coarser commercial or non-commercial code. Glossary
Part 91: General Aviation
Phase of flightThe stage of the flight when things started to go wrong: standing, taxi, takeoff, initial climb, en route, maneuvering, approach or landing. Glossary
Approach
First occurrenceThe single coded event the NTSB judges best describes what happened (records from 2008 on). Older records name the first occurrence in the sequence instead. Glossary
Midair collision
DamageDestroyed: beyond practical repair. Substantial: damage that affects the structure, performance or handling and normally needs major repair. Minor: less than that. Glossary
Minor

Aircraft 2 · Kenneth Miller RV-6A

Aircraft type
Kenneth Miller RV-6
Category
Airplane
RegistrationThe aircraft's tail number, such as N12345 or G-ABCD. Registrations are reissued, so the same one years apart can be a different aircraft. Glossary
N811KM
Operator
Unknown
Onboard fatalities
Unknown
Route
From Pangborn Memorial Airport (EAT), WATo 4S3 · Joseph, OR
Aircraft age
Not recorded
Flight rulesThe regulations the flight operated under: in the US, Part 91 (general aviation), Part 121 (airlines), Part 135 (air taxi and commuter) and others; for flights abroad, the NTSB's coarser commercial or non-commercial code. Glossary
Part 91: General Aviation
Phase of flightThe stage of the flight when things started to go wrong: standing, taxi, takeoff, initial climb, en route, maneuvering, approach or landing. Glossary
En route · climb to cruise
First occurrenceThe single coded event the NTSB judges best describes what happened (records from 2008 on). Older records name the first occurrence in the sequence instead. Glossary
Midair collision
DamageDestroyed: beyond practical repair. Substantial: damage that affects the structure, performance or handling and normally needs major repair. Minor: less than that. Glossary
Minor

Cause areas

  • Pilot in command › Visual lookout, inadequate
  • Pilot of other aircraft › Visual lookout, inadequate

Approximate · Coordinates as recorded by the NTSB; no uncertainty radius is established.

NTSB narrative

The flight instructor in the Cessna reported that the student was under the hood for the practice VOR approach. The flight was tracking inbound heading 285 degrees. About six miles from the airport, approximately 3,800 feet, and just prior to the final approach fix, the flight instructor was just about to announce their location when they felt a bump. The flight instructor did not see what they had collided with, and realized shortly thereafter that it was another aircraft. The pilot of the RV-6A, reported that he had just taken off from the airport and was climbing to cruise altitude on an easterly heading, when he suddenly saw the Cessna directly ahead and in his flight path. The pilot immediately pushed the nose down in a rapid descending right turn. The left wing tip of the RV-6A came up and collided with the bottom side of the Cessna's right wing tip. Both pilots reported that the weather was clear with haze. Both aircraft returned to the airport and landed without further incident.

Probable cause

The failure of the pilots in both aircraft to maintain an adequate visual lookout. Haze was a factor.

Verbatim NTSB analysis and probable cause from the NTSB dataset

Sources

NTSB record SEA00IA007
Event ID
20001212X20049
Case number
SEA00IA007
Dataset
historical-pre2008
Source SHA-256
89e2df6d848e7ab3b42e7d7c7a03ff403303057a26ca04c95b3ea67201c3ce74
Source notes (4)
  • Unreviewed is an editorial label, not an investigation status. API-sourced is not report-checked or human-reviewed. Explicit event totals are used without summing aircraft injury tables; onboard allocation is withheld. Unknown values remain unknown. The operation category is mapped from the NTSB-reported FAR part and has not been reviewed.
  • Filled from the NTSB case API where the bulk record had no value: investigation status. Values present in the bulk record are kept.
  • The date is the local date, which is the same as the UTC date the NTSB stores.
  • API snapshot SHA-256: 85c1bf443fcbd6c2e86831bdcf8a6fea25fb5a7d33859568e4b3b9000eaf1e28; retrieved 2026-09-22T13:48:39.926Z.