1972 Grumman AA1ASingle-Engine Piston Aircraft • Cypress, TX, USA

This 1972 Grumman/American General AA1A, registration N6423L, is a two-seat single engine piston aircraft with 2,668 hours total time on the airframe. The engine, a Lycoming O-320 E3D producing 150 horsepower, has 1,500 hours since major overhaul. In March 2025, the aircraft received a top overhaul with four new Millennium cylinders, a new stock muffler assembly, and a new Plane Power alternator; these components have since accumulated 170 trouble-free hours. The Sensenich M74DM-0-58 propeller has 1,200 hours since new and is reported to be in good condition. Useful load is listed at 493 pounds, and flight rules are noted as BTH.

The...

Year: 1972

Make: Grumman

Series: AA-1 Yankee / Trainer / Lynx / T-CAT

Model: AA1A

Tail #: N6423L

Serial #: AA1A-0423

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Specifications

Category: Single-Engine Piston

Intended Use: Classic / Antique, Training, Recreational

Flight Rules: VFR & IFR

Useful Load: 493 lbs

Seats: 2

Hours, Logs & Inspections

Total Time: 2,668 hrs

Engine 1 Time: 1,500 hrs (SMOH)

Prop 1 Time: 1,200 hrs (SNEW)

Avionics

GPS

Garmin 430 - non-WAAS, overhauled 2022, slaved to the CDI. Jeppesen database, nav card adapter comes with the plane.

ADSB

NGT9000 Lynx - transponder, fantastic unit with ADS-B out, ADS-B in (connect to iPad or use the moving map display), ADS-B weather. Very useful for long XC weather decisions or busy airspace awareness.

ADS-B In

EMS

JPI Fuel Flow Gauge - JPI accurate and reliable across all RPM ranges, desirable addition to the AA-1 series planes

Additional Equipment

ELT

New ELT in March 2025, lithium ion battery model.

Rudder Cap STC

Red Rudder Cap STC replaced jelly jar beacon with aerodynamic fairing.

Tiedown Kit

Comes with full tiedown kit

Suction System

Suction system in good condition.

Interior & Exterior

Interior Notes: Classic interior in decent shape, new seat foam and all plastics present.

Exterior Notes: Paint is very solid overall, some areas could use touch up, but it gets complimented on ramps often.

Engine & Propeller

Engine Type: Piston

Engine Count: 1

Engine Make: Lycoming

Engine Model: O-320 E3D

Engine Power: 150 HP

Propeller Model: Sensenich M74DM-0-58

Asking Price

$50,000

Aircraft Location

Cypress, TX, USA

Listing Details

: Used

: For Sale

Price History

Oct 4, 2026: $50,000 - trade-a-plane

Contact Seller

Visit trade-a-plane.com

First Seen: Oct 4, 2026

Asking Price

$50,000

Aircraft Location

Cypress, TX, USA

Listing Details

: Used

: For Sale

Price History

Oct 4, 2026: $50,000 - trade-a-plane

Contact Seller

Visit trade-a-plane.com

First Seen: Oct 4, 2026

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Grumman AA1A

$8,500

• Clifton Park, NY 12065 United States

Total Time: Unspecified

Engine Time: Unspecified

Prop Time: Unspecified

Tail #: Unspecified

Flight Rules: Unspecified

Useful Load: Unspecified