# NTSB SEA84LA095: Piper PA-22-150, N6002D, Davenport, WA, April 25, 1984

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: April 25, 1984, 07:30 local (15:30 UTC)
- Place: Davenport, WA
- Coordinates: 47.669692, -118.189018 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=47.6697&lon=-118.1890&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 39905
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA84LA095
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/39905/pdf
- Page: https://openairdocs.org/ntsb/SEA84LA095

## Sequence of events

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

- Airframe/component/system failure/malfunction, landing - roll
  - landing gear,normal brake system - burst (cause)
  - landing gear,normal brake system - leak (cause)
  - fluid,hydraulic - low level (cause)
  - landing gear,normal brake system - inoperative
- Overrun, landing - roll
- On ground/water encounter with terrain/water, landing
  - terrain condition - ditch (contributing factor)
- Nose over, landing - roll

## Analysis

DURING THE LANDING ROLL THE BRAKES WERE APPLIED WITH NO EFFECT. THE ACFT WENT OFF THE END OF THE RWY INTO A DITCH AND NOSED OVER. EXAMINATION OF THE ACFT SHOWED THE BRAKE SYSTEM LOW ON FLUID AND THE MASTER CYLINDER DIAPHRAGM RUPTURED.

## Aircraft

- Registration: [N6002D](https://openairdocs.org/deregistered/N6002D-2014-10-29), registration cancelled 2014-10-29, S/N 22-4653, built 1956 (OpenAirDocs)
- Reported make and model: PIPER PA-22-150
- Registry model: [Piper PA-22-150](https://openairdocs.org/model/piper-pa-22-150) (registry code 7102210) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 22-4653
- Airframe hours: 3066
- Engines: LYCOMING O-320-A1A 150 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Larry C. Vanslyke
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, September 1, 1983, 8 hours before
- Departed: BKE, BAKER, OR
- Flight plan: VFR
- Airport: 68S, Davenport, runway 5, 3,200 × 50 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 39; commercial; airplane ratings: single-engine land; instrument ratings: airplane; medical: class 1, valid medical--w/ waivers/lim; seat: left; flight hours: 616 total, 218 in this make and model, 501 as pilot in command, 55 in the last 90 days, 4 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 335° at 10 knots
- Visibility: 50 statute miles
- Lowest ceiling: none
- Temperature: 30 °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 19840425014439A](https://openairdocs.org/incident/19840425014439A), Apr 25, 1984: Piper PA22150, Davenport, WA, Substantial damage. Brakes failed on landing. Ran off end of runway struck a ditch and flipped over. Master cylinder diaphram ruptured.

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.
