# NTSB SEA88LA027: Cessna 172M, Tacoma, WA, November 27, 1987

- Type: NTSB accident investigation
- Date: November 27, 1987, 22:30 UTC, 14:30 local
- Place: Tacoma, WA
- Coordinates: 47.129341, -122.399772 (estimated)
- Highest injury: No injuries
- Injuries: 4 uninjured
- Status: Completed
- Report: Approved by Office Director, December 27, 1988
- NTSB case key (mKey): 40763
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA88LA027
- NTSB report (PDF): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/40763/pdf
- Page: https://openairdocs.org/ntsb/SEA88LA027

## Analysis (aircraft 2)

THE CESSNA WAS AT THE RUNUP AREA FOR RUNWAY 35 PREPARING TO DO HIS RUNUP. THREE PITTS AIRCRAFT WERE TAXIING ABREAST OF EACH OTHER, WHEN ONE OF THE PITTS'S PROPELLER STRUCK THE RIGHT WINGTIP OF THE CESSNA CAUSING SUBSTANTIAL DAMAGE TO THE CESSNA AND MINOR DAMAGE TO THE PITTS.

## Sequence of events

- On ground/water collision with object, standing - engine(s) operating
  - object - aircraft moving on ground (contributing factor)
  - procedures/directives - improper, pilot of other aircraft (cause)
  - acft/equip inadequate,visual restriction, pilot of other aircraft (cause)
- On ground/water collision with object, taxi - to takeoff
  - object - aircraft parked/standing
  - procedures/directives - improper, pilot in command (cause)
  - acft/equip inadequate,visual restriction, pilot in command (cause)

## Aircraft 1

- Registration: N9134H, registered now (https://openairdocs.org/aircraft/N9134H) (OpenAirDocs)
- Reported make and model: CESSNA 172M
- Registry model: Cessna 172M (registry code 2072418, https://openairdocs.org/model/cessna-172m) (OpenAirDocs)
- Registry engine: Lycoming 0-320 series (registry code 41508, https://openairdocs.org/engine/lycoming-0-320-series) (OpenAirDocs)
- Category: Airplane
- Serial number: 17265964
- Airframe hours: 4307
- Engines: LYCOMING O-320-E2D 150 horsepower
- Damage: Substantial damage
- Flight: Personal, Part 91
- Destination: HQM, HOQUIAM, WA
- Airport: TIW, TACOMA NARROWS, runway 0
- FAA reports: 19871127080472A (https://openairdocs.org/incident/19871127080472A) (OpenAirDocs)

## Aircraft 2

- Registration: N526DP, registered now (https://openairdocs.org/aircraft/N526DP) (OpenAirDocs)
- Reported make and model: PITTS S-2A
- Registry model: Aerotek PITTS S-2A (registry code 0110201, https://openairdocs.org/model/aerotek-pitts-s-2a) (OpenAirDocs)
- Registry engine: Lycoming AEIO-360 series (registry code 41522, https://openairdocs.org/engine/lycoming-aeio-360-series) (OpenAirDocs)
- Category: Airplane
- Serial number: 2206
- Airframe hours: 900
- Engines: LYCOMING AEIO-360 180 horsepower
- Damage: Minor damage
- Flight: Personal, Part 91
- Airport: TIW, TACOMA NARROWS, runway 0
- FAA reports: 19871127080471A (https://openairdocs.org/incident/19871127080471A) (OpenAirDocs)

## Flight crew

- Pilot; age 39; private; medical class 3; hours: 10 90 days, 10 90 days in this make and model, 113 pic, 113 pic in this make and model, 144 total, 144 total in this make and model
- Pilot; age 45; flight instructor, airline transport; medical class 1; hours: 8 24 hours, 270 90 days, 30 90 days in this make and model, 11,000 pic, 500 pic in this make and model, 11,440 total, 502 total in this make and model

## Weather

- Conditions: Visual (VMC), Day
- Wind: 340° at 5 knots
- Visibility (statute miles): 7
- Lowest ceiling (ft AGL): 10000

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

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From OpenAirDocs.org, an independent open copy of NTSB and FAA data. The NTSB's own report is the official record of an investigation.