N1702D - 1951 Aircraft Aircraft Registration

C170

1951

Aircraft Description

Model Year

1951

Manufacturer

—

Model

—

Type Aircraft

Fixed Wing Single Engine

ICAO Type Code

C170170

Airworthiness Date

Invalid Date

Classification

Standard Category

Type Registration

Unknown

Status

The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office

Cert Issue Date

Invalid Date

Registered Owner

Name

SIEFKAS DAVID K

Address

7084 E 2ND AVE

City

DENVER

State / Zip Code

Colorado80220-5882

Country

United States

Powerplant & Avionics

Engine Type

—

Number of Engines

—

Mode S Code (Oct)

50215717

Mode S Code (Hex)

A11BCF

NTSB Accident History (1)

Date	NTSB #	Damage	Highest Injury	Probable Cause
Jul 30, 1990	CHI90LA201	Substantial	None	THE PILOT-IN-COMMAND OF THE THORP T-18'S FAILURE TO MAINTAIN A SUFFICIENT VISUAL LOOKOUT TO AVOID A COLLISION WITH THE CESSNA 170A. CONTRIBUTING WAS THE LIMITED VISIBILITY FORWARD AND TO THE RIGHT IN THE THORP T-18.

Jul 30, 1990CHI90LA201

Substantial

None

THE PILOT-IN-COMMAND OF THE THORP T-18'S FAILURE TO MAINTAIN A SUFFICIENT VISUAL LOOKOUT TO AVOID A COLLISION WITH THE CESSNA 170A. CONTRIBUTING WAS THE LIMITED VISIBILITY FORWARD AND TO THE RIGHT IN THE THORP T-18.

Additional Details

Registration

N1702D

Serial Number

20145

Number of Engines

—

Number of Seats

—

Expiration Date

—

Last Action Date

—

Last Update Date

—

Unique ID

—

Data Source

Data provided by the US Federal Aviation Administration. View on FAA.gov

Last updated: 2026-05-15 01:32:20 UTC