# NTSB SEA00LA180: Cessna 172L, N7195Q, Everett, WA, September 16, 2000 - Type: NTSB accident investigation - Classification: Accident · No injuries · Limited investigation · Final report - Date: September 16, 2000, 10:33 local (17:33 UTC) - Place: Everett, WA - Coordinates: 47.890361, -122.249954 (estimated) - Nearby events: https://openairdocs.org/map.md?lat=47.8904&lon=-122.2500&mi=10 - Phase of flight: [Taxi](https://openairdocs.org/ntsb-phases/250) (OpenAirDocs' grouping) - Highest injury: No injuries - Injuries: 2 uninjured - Status: Completed, report May 18, 2001 - Report: Approved by Office Director - NTSB case key (mKey): 50291 - NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA00LA180 - NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/50291/pdf - Page: https://openairdocs.org/ntsb/SEA00LA180 ## Probable cause (aircraft 2) The other pilot's improper use (inadvertent release) of the brakes. Contributing factors were, a standing aircraft and the other pilot's diverting his attention from outside his aircraft. ## Probable cause (aircraft 1) The pilot's improper use (inadvertent release) of the brakes. Contributing factors were, a standing aircraft and the pilot's diverting his attention from outside his aircraft. ## Sequence of events In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf). - On ground/water collision with object, taxi - to takeoff - object - aircraft parked/standing (contributing factor) - brakes(normal) - improper use of, pilot in command (cause) - diverted attention, pilot in command (contributing factor) - Collision between aircraft (other than midair), standing - engine(s) operating - object - aircraft parked/standing (contributing factor) - brakes(normal) - improper use of, pilot of other aircraft (cause) - diverted attention, pilot of other aircraft (contributing factor) ## Analysis (aircraft 2) A Cessna 182P and a Cessna 172L were within a lineup of aircraft anticipating takeoff. The 182P was about 10-15 feet ahead of the 172L, and both aircraft were stopped on the taxiway. The pilot of the 172L focused his attention on setting up radio frequencies for his departure route, and when he looked up realized his aircraft was rolling forward. He applied braking and right rudder to swing the nose of his aircraft to the right during which the propeller of his aircraft struck the right horizontal stabilizer and elevator of the 182P. The pilot of the 182P felt a vibration, looked back, and observed the 172L behind him stopped with its propeller into the right elevator of his aircraft. The pilot of the 172L radioed the tower reporting, 'Ah, I just clipped the plane in front of me. My brakes slipped and I just crashed into his elevator.' He also reported no mechanical malfunction with his aircraft. ## Analysis (aircraft 1) A Cessna 182P and a Cessna 172L were within a lineup of aircraft anticipating takeoff. The 182P was about 10-15 feet ahead of the 172L, and both aircraft were stopped on the taxiway. The pilot of the 172L focused his attention on setting up radio frequencies for his departure route, and when he looked up realized his aircraft was rolling forward. He applied braking and right rudder to swing the nose of his aircraft to the right during which the propeller of his aircraft struck the right horizontal stabilizer and elevator of the 182P. The pilot of the 182P felt a vibration, looked back, and observed the 172L behind him stopped with its propeller into the right elevator of his aircraft. The pilot of the 172L radioed the tower reporting, 'Ah, I just clipped the plane in front of me. My brakes slipped and I just crashed into his elevator.' He also reported no mechanical malfunction with his aircraft. ## Factual narrative (aircraft 2) On September 16, 2000, at 1033 Pacific daylight time, a Cessna 172L, N7195Q, registered to and being operated by a commercial pilot, sustained minor damage when it collided with a Cessna 182P, N52746, while rolling forward in a lineup of aircraft on taxiway A-4 at the Snohomish County airport (PAE), Everett, Washington. The pilot was uninjured, as was the pilot of the impacted 182P. The 182P sustained substantial damage. Visual meteorological conditions existed and no flight plan had been filed for either aircraft. Both aircraft were departing as personal flights, and were operating under 14CFR91, and both were destined for Eastsound, Washington. Both pilots were telephonically interviewed. The pilot of the 172L reported that while taxing forward in a line of aircraft, he stopped his aircraft about 10-15 feet behind the 182P directly ahead. He then awaited further movement of the other aircraft ahead in the lineup for takeoff, and focused his attention on setting up radio frequencies in anticipation of transiting the Whidbey Island, Washington, area following his departure from PAE. When he looked up, he noted that his aircraft was rolling forward. He reported applying brakes and right rudder, which swung the nose of his aircraft to the right, but not before the propeller contacted the 182P's right horizontal stabilizer and elevator. He reported that there was no mechanical malfunction with his aircraft at the time of the event. The pilot of the 182P reported that he was stopped in a lineup of aircraft awaiting takeoff on runway 16R when he felt a vibration. He looked back and observed the aircraft behind him stopped with its propeller into the right elevator of his aircraft. An audio re-recording of radio communications between the Snohomish County air traffic control tower and the related aircraft was reviewed. As the tower controller received acknowledgement from another aircraft to position and hold, the radio transmission was blocked by another transmission reporting, "Ah, I just clipped the plane in front of me. My brakes slipped and I just crashed into his elevator." ## Factual narrative (aircraft 1) On September 16, 2000, at 1033 Pacific daylight time, a Cessna 172L, N7195Q, registered to and being operated by a commercial pilot, sustained minor damage when it collided with a Cessna 182P, N52746, while rolling forward in a lineup of aircraft on taxiway A-4 at the Snohomish County airport (PAE), Everett, Washington. The pilot was uninjured, as was the pilot of the impacted 182P. The 182P sustained substantial damage. Visual meteorological conditions existed and no flight plan had been filed for either aircraft. Both aircraft were departing as personal flights, and were operating under 14CFR91, and both were destined for Eastsound, Washington. Both pilots were telephonically interviewed. The pilot of the 172L reported that while taxing forward in a line of aircraft, he stopped his aircraft about 10-15 feet behind the 182P directly ahead. He then awaited further movement of the other aircraft ahead in the lineup for takeoff, and focused his attention on setting up radio frequencies in anticipation of transiting the Whidbey Island, Washington, area following his departure from PAE. When he looked up, he noted that his aircraft was rolling forward. He reported applying brakes and right rudder, which swung the nose of his aircraft to the right, but not before the propeller contacted the 182P's right horizontal stabilizer and elevator. He reported that there was no mechanical malfunction with his aircraft at the time of the event. The pilot of the 182P reported that he was stopped in a lineup of aircraft awaiting takeoff on runway 16R when he felt a vibration. He looked back and observed the aircraft behind him stopped with its propeller into the right elevator of his aircraft. An audio re-recording of radio communications between the Snohomish County air traffic control tower and the related aircraft was reviewed. As the tower controller received acknowledgement from another aircraft to position and hold, the radio transmission was blocked by another transmission reporting, "Ah, I just clipped the plane in front of me. My brakes slipped and I just crashed into his elevator." ## Aircraft 1 - Registration: [N7195Q](https://openairdocs.org/aircraft/N7195Q), registered now, S/N 17260495, built 1972 (OpenAirDocs) - Reported make and model: Cessna 172L - Registry model: [Cessna 172L](https://openairdocs.org/model/cessna-172l) (registry code 2072432) (OpenAirDocs) - Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs) - Category: Airplane - Serial number: 17260495 - Airframe hours: 4004 - Engines: Lycoming O-320-E2D 150 horsepower reciprocating - Damage: Minor damage - Flight: Personal, Part 91 - Registered owner: Kinnier, Richard R. - Airworthiness certificate: Standard, Normal; Standard, Utility - Last inspection: AAIP, August 16, 2000, 26 hours before - Destination: ORS, EASTSOUND, WA - Airport: PAE, Snohomish County Airport ## Aircraft 2 - Registration: [N52746](https://openairdocs.org/aircraft/N52746), registered now, S/N 18262815 (OpenAirDocs) - Reported make and model: Cessna 182P - Registry model: [Cessna 182P](https://openairdocs.org/model/cessna-182p) (registry code 2075816) (OpenAirDocs) - Registry engine: [Continental O-470 series](https://openairdocs.org/engine/continental-o-470-series) (registry code 17026, reciprocating) (OpenAirDocs) - Category: Airplane - Serial number: 18262815 - Engines: Continental O-470-R35 230 horsepower reciprocating - Damage: Substantial damage - Flight: Personal, Part 91 - Registered owner: Hill, Gary G. - Airworthiness certificate: Standard, Normal - Last inspection: Annual, May 15, 2000 - Destination: ORS, EASTSOUND, WA - Airport: PAE, Snohomish County Airport ## Flight crew As NTSB recorded them. NTSB leaves out names. - Pilot, aircraft N7195Q; age 69; commercial, flight instructor; airplane ratings: single-engine land; instrument ratings: airplane; medical: class 3, valid medical--w/ waivers/lim; seat: left; flight hours: 1,575 total, 1,209 in this make and model, 1,429 as pilot in command, 34 in the last 90 days, 3 in the last 30 days - Pilot, aircraft N52746; age 63; private; airplane ratings: single-engine land; medical: class 3, valid medical--w/ waivers/lim; seat: left; flight hours: 1,225 total, 102 in this make and model, 1,225 as pilot in command ## Weather - Conditions: Visual (VMC), Day - Wind: variable at 3 knots - Visibility: 10 statute miles - Lowest ceiling: 2,400 ft overcast - Temperature: 61 °F, dew point 57 °F - Altimeter: 30.00 inHg - Observed at: PAE 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. --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.