# NTSB SEA88LA175: Piper PA-20, N2526A, Seattle, WA, September 9, 1988

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: September 9, 1988, 15:31 local (22:31 UTC)
- Place: Seattle, WA
- Coordinates: 47.540756, -122.309005 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=47.5408&lon=-122.3090&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report August 8, 1989
- Report: Approved by Office Director
- NTSB case key (mKey): 40883
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA88LA175
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/40883/pdf
- Page: https://openairdocs.org/ntsb/SEA88LA175

## Sequence of events

In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf).

- Loss of control - on ground/water, landing - roll
  - weather condition - crosswind (contributing factor)
  - directional control - not maintained, pilot in command (cause)
- Main gear collapsed, landing - roll
  - landing gear,main gear - overload

## Analysis

PLT LANDED WITH 80 DEG RIGHT CROSS WIND OF 8 KTS, GROUNDLOOPED TO RIGHT. THE PLT SAID THAT ATIS INFO GAVE THE WIND AS 220 DEGREES AT 8 KTS; HOWEVER HIS EST FROM WINDSOCK OBSERVATION INCLUDED GUSTS OF 15 KTS. THE OBSERVING STATION REPORTED NO GUSTS ON THE DATE OF THE ACC.

## Aircraft

- Registration: [N2526A](https://openairdocs.org/aircraft/N2526A), registered now, S/N 22-833, built 1956 (OpenAirDocs)
- Reported make and model: PIPER PA-20
- Registry model: [Piper PA-22-135](https://openairdocs.org/model/piper-pa-22-135) (registry code 7102206) (OpenAirDocs)
- Registry engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999) (OpenAirDocs)
- Category: Airplane
- Serial number: 833
- Airframe hours: 2700
- Engines: LYCOMING O-320-AIA 150 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Joe A. Johannes
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, April 3, 1988, 47 hours before
- Departed: S88, ARLINGTON, WA
- Airport: BFI, Boeing Field, runway 13, 10,001 × 200 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 45; private; airplane ratings: single-engine sea, multi-engine land, single-engine land; instrument ratings: airplane; medical: class 3, valid medical--w/ waivers/lim; seat: left; flight hours: 1,416 total, 47 in this make and model, 1,265 as pilot in command, 30 in the last 90 days, 20 in the last 30 days, 6 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 220° at 8 knots
- Visibility: 10 statute miles
- Lowest ceiling: 4,000 ft broken
- Temperature: 70 °F, dew point 45 °F
- Altimeter: 30.00 inHg
- Observed at: BFI

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19880909038519A](https://openairdocs.org/incident/19880909038519A), Sep 9, 1988: Piper PA22135, Seattle, WA, Substantial damage. Lost control on landing and ground looped.

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.

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