# NTSB SEA87LA161: Grumman AA1B, N6296L, Ocean Shores, WA, May 9, 1987

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: May 9, 1987, 09:00 local (16:00 UTC)
- Place: Ocean Shores, WA
- Coordinates: 46.970146, -124.139167 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=46.9701&lon=-124.1392&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report October 6, 1988
- Report: Approved by Office Director
- NTSB case key (mKey): 40674
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA87LA161
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/40674/pdf
- Page: https://openairdocs.org/ntsb/SEA87LA161

## Sequence of events

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

- On ground/water encounter with terrain/water, landing - roll
  - terrain condition - ditch (contributing factor)
  - unsuitable terrain or takeoff/landing/taxi area - selected, pilot in command (cause)

## Analysis

THE PLT LANDED HIS ACFT ONTO A GOLF COURSE WHICH HAD BEEN THE PREVIOUS SITE FOR THE AIRPORT. THE AIRPORT HAD BEEN CLOSED SINCE DECEMBER 1985 AND RELOCATED CLOSE BY. THE PAVEMENT AT THE OLD AIRPORT HAD BEEN REPLACED BY SOD. DURING LANDING ROLL, THE AIRCRAFT STRUCK A DITCH.

## Aircraft

- Registration: [N6296L](https://openairdocs.org/aircraft/N6296L), registered now, S/N AA1B-0096, built 1973 (OpenAirDocs)
- Reported make and model: GRUMMAN AA1B
- Registry model: [Grumman American Avn. AA-1B](https://openairdocs.org/model/grumman-american-avn-aa-1b) (registry code 3960103) (OpenAirDocs)
- Registry engine: [Lycoming O-290-D2](https://openairdocs.org/engine/lycoming-o-290-d2) (registry code 42090, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: AA1B-0096
- Airframe hours: 1300
- Engines: LYCOMING O-360-A4K 180 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Donald J. Koenig
- Airworthiness certificate: Standard, Normal
- Last inspection: 100 hour, August 1, 1986, 30 hours before
- Departed: 1SO, PUYALLUP, WA
- Destination: S26, OCEAN SHORES, WA

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 49; commercial; airplane ratings: single-engine land; instrument ratings: airplane; medical: class 2, valid medical--w/ waivers/lim; seat: left; flight hours: 497 total, 25 in this make and model, 308 as pilot in command, 7 in the last 90 days

## Weather

- Conditions: Visual (VMC), Day
- Wind: 360° at 5 knots, gusting 5
- Visibility: 50 statute miles
- Lowest ceiling: none
- Temperature: 70 °F

## 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 19870509066099A](https://openairdocs.org/incident/19870509066099A), May 9, 1987: Gulstm AA1B, Ocean Shores, WA, Substantial damage. Landed at a closed airport that was converted to a golf course. Aircraft hit a ditch on rollout.

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.