# NTSB SEA92LA190: WSK PZL Mielec M-18A Dromader, N2252Z, Mattawa, WA, August 25, 1992

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Limited investigation · Final report
- Date: August 25, 1992, 16:47 local (23:47 UTC)
- Place: Mattawa, WA
- Coordinates: 46.799331, -119.150512 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=46.7993&lon=-119.1505&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious
- Status: Completed, report August 31, 1993
- Report: Approved by Office Director
- NTSB case key (mKey): 42887
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA92LA190
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/42887/pdf
- Page: https://openairdocs.org/ntsb/SEA92LA190

## Probable cause

THE INADVERTENT LOCKING OF THE ACFT BRAKES WHILE LANDING BY THE PIC, RESULTING IN AN ACFT NOSE OVER ON THE GRAVEL STRIP.

## Sequence of events

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

- Nose over, landing - flare/touchdown
  - brakes(normal) - inadvertent use, pilot in command (cause)

## Analysis

THE PILOT INADVERTENTLY LOCKED THE BRAKES WHILE LANDING AND THE ACFT NOSED OVER ON THE GRAVEL LANDING STRIP.

## Aircraft

- Registration: [N2252Z](https://openairdocs.org/deregistered/N2252Z-2002-05-13), registration cancelled 2002-05-13, S/N 1Z020-29, built 1989 (OpenAirDocs)
- Reported make and model: WSK PZL MIELEC M-18A DROMADER (M-18A DROM)
- Registry model: [WSK PZL Mielec M-18A](https://openairdocs.org/model/wsk-pzl-mielec-m-18a) (registry code 9810103) (OpenAirDocs)
- Registry engine: [Wsk-Pzl-K PZL ASZ-62IR](https://openairdocs.org/engine/wsk-pzl-k-pzl-asz-62ir) (registry code 67203, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 12020
- Airframe hours: 1073
- Engines: PZL-Kalisz ASZ 621 RM18 967 horsepower reciprocating
- Damage: Substantial damage
- Flight: Aerial application, Part 137
- Operator: B & R Aerial Crop Care, Inc
- Registered owner: B & R Aerial Crop Care, Inc
- Airworthiness certificate: Special, Restricted (Special)
- Last inspection: Annual, May 3, 1992, 438 hours before
- Airport: 74WA, Mattawa Airstrip, runway 18, 2,500 × 40 ft, gravel

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 49; commercial; airplane ratings: single-engine land; medical: class 2, valid medical--w/ waivers/lim; seat: front; flight hours: 13,872 total, 2,036 in this make and model, 13,872 as pilot in command, 264 in the last 90 days, 162 in the last 30 days, 8 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 190° at 8 knots
- Visibility: 65 statute miles
- Lowest ceiling: none
- Temperature: 79 °F
- Altimeter: 30.00 inHg
- Observed at: MWH, 33 nm away

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.