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Type Record · As of May 3, 2026

WACO UMF

Fixed Wing Single Engine · CONT MOTOR W670-6N

Registered

6

Year Range

1934–1935

NTSB Events

2

Airworthiness Directives

0

Aircraft Resources

Engine · Continental Aerospace Technologies → Search FAA TCDS →

01 /  Distribution

Where the fleet lives and was built

Counts of currently-registered WACO UMF aircraft by US state and decade of manufacture, sourced from the FAA Aircraft Registry.

By State (top 10)

  • OH 33.3% 2
  • OK 16.7% 1
  • NH 16.7% 1
  • PA 16.7% 1
  • AZ 16.7% 1

By Decade of Manufacture

  • 1930s 83.3% 5
  • Unknown 16.7% 1

02 /  NTSB Records

Events involving WACO UMF aircraft

2 event(s) on file. Showing the most recent 2.

02c /  Academic Research

Scholarly work mentioning WACO UMF

Papers and reports across NASA, NTSB, FAA CAMI, AOPA ASI, Embry-Riddle, arXiv, and the broader academic graph that mention this airframe. Title or keyword match — drill into each for full abstract + author list + PDF link.

Browse the full corpus — academia portal ↗

03 /  Airworthiness Directives

FAA directives applicable to WACO UMF

No matching airworthiness directives are on file for this make and model in the Federal Register.

04 /  Type Certificate Data Sheets

FAA TCDS for WACO UMF

The TCDS is the legal certification document — weight limits, performance, equipment, AD compliance times, operating limitations. 1 match in the FAA catalog.

06 /  Supplemental Type Certificates

Modifications approved for WACO UMF

13 STCs on file — every FAA-approved modification, alteration, or installation for this aircraft. STOL kits, avionics, fuel systems, floats, engine swaps, you name it.

  • 03/07/2020

    STC SA00079NY

    Installation of Airwolf remote mounted engine oil filter kit AFC-K008 on single and multi engine fixed wing light aircraft incorporating Teledyne Continental reciprocating engines …

    Airwolf Filter Corporation

    Atlas STC → DRS ↗

  • 12/20/2017

    STC SA00079NY

    Installation of Airwolf remote mounted engine oil filter kit AFC-K008 on single and multi engine fixed wing light aircraft incorporating Teledyne Continental reciprocating engines …

    Airwolf Filter Corporation

    Atlas STC → DRS ↗

  • 10/31/2012

    STC SA00079NY

    Installation of Airwolf remote mounted engine oil filter kit AFC-K008 on single and multi engine fixed wing light aircraft incorporating Teledyne Continental reciprocating engines …

    Airwolf Filter Corporation

    Atlas STC → DRS ↗

  • 12/09/2009

    STC SA2693NM (PAGE 2)

    Installation of Electronics International digital volt/amp gauges and accessories.

    Electronics International Inc.

    Atlas STC → DRS ↗

  • 07/24/2008

    STC SA02033AT (PAGE 5)

    Modification to install an air-oil separator to prevent oil from being aspirated from the engine breather line (47J series w stc's SH4-235SW, SH4-826SW or SH479SW)

    M-20 Oil Separators LLC

    Atlas STC → DRS ↗

  • 03/29/2006

    STC SA02268CH (PAGE 5)

    Installation of Airwolf Filter Corp. Air Oil Separator

    Airwolf Filter Corporation

    Atlas STC → DRS ↗

  • 01/24/2005

    STC SA2693NM

    Installation of Electronics International digital volt/amp gauges and accessories.

    Electronics International Inc.

    Atlas STC → DRS ↗

  • 10/24/2000

    STC SA2687NM (PAGE 2)

    Installation of Truboplus/ Electronics Int'l gauges and switches.

    Aero Manufacturing Inc.

    Atlas STC → DRS ↗

  • 02/24/1992

    STC SA2687NM

    Installation of Truboplus/ Electronics Int'l gauges and switches.

    ACD Corporation

    Atlas STC → DRS ↗

  • 06/06/1990

    STC SA2350NM Page 2

    Installation of Electronics International Inc digital carburetor/outside air temperature gauges

    Electronics International

    Atlas STC → DRS ↗

  • 01/26/1988

    STC SA2693NM

    Installation of Electronics International digital volt/amp gauges and accessories.

    Electronics International

    Atlas STC → DRS ↗

  • 05/26/1987

    STC SA2350NM (PAGE 2)

    Installation of Electronics International Inc Digital carburetor/outside air temperature gauges listed on the attached continutation sheet and the associated accessories

    Electronics International

    Atlas STC → DRS ↗

  • 02/16/1984

    STC SA2190NM Page 2

    Installation of electronics International Digital Volt/Amp Gauges and Accessories.

    Electronics International

    Atlas STC → DRS ↗

04 /  Regulations watching this type

Advisory Circulars and Federal Register activity for WACO UMF

05 /  Aircraft of this type

All 6 registered N-numbers

Every tail currently on the FAA registry for this make/model. Click an N-number to query the FAA Aircraft Inquiry; rows flagged ● have NTSB events on file. Tails seeded with full TallyAero pages link directly.

6 of 6
N-number St Year NTSB FAA
N13571 OK 1934 · Look up ↗
N13894 OH — · Look up ↗
N14031 NH 1934 · Look up ↗
N14041 OH 1934 · Look up ↗
N14076 PA 1934 ● Look up ↗
N14627 AZ 1935 · Look up ↗

Source — FAA Aircraft Registry · click "Look up" to query the live registry record (owner, address, last airworthiness)

05 /  Sources & Methodology

Every count traces back to a primary US-government source

We render counts and lists as the agency publishes them. Read the methodology →