100,000th Single Engine Cessna: 1975 C-172M

$230,000.00

✈️ 1975 Cessna 172M – N100M

Historic 100,000th Cessna Single-Engine | 180HP Upgrade | Garmin Glass Panel

Here’s your chance to own a truly special Skyhawk: N100M, the 100,000th single-engine Cessna ever produced, with documentation and a 1975 news article to prove it. Beyond the history, this 1975 Cessna 172M has been upgraded with a 180hp Lycoming O-360-A4M engine, a modern Garmin glass cockpit, and is a turnkey IFR trainer or time-builder.

Hangered and well-maintained south of Tampa, FL, N100M is clean, capable, and ready to fly.

✈️ 1975 Cessna 172M – N100M

Historic 100,000th Cessna Single-Engine | 180HP Upgrade | Garmin Glass Panel

Here’s your chance to own a truly special Skyhawk: N100M, the 100,000th single-engine Cessna ever produced, with documentation and a 1975 news article to prove it. Beyond the history, this 1975 Cessna 172M has been upgraded with a 180hp Lycoming O-360-A4M engine, a modern Garmin glass cockpit, and is a turnkey IFR trainer or time-builder.

Hangered and well-maintained south of Tampa, FL, N100M is clean, capable, and ready to fly.

📊 Airframe

  • Total Time: 4,473 hours TTAF

  • Last Annual: October 3, 2024

  • No major damage history

  • All logs complete & included

🔧 Engine & Prop

  • Lycoming O-360-A4M (180hp STC by Alphin Aircraft)

  • Overhauled by Zephyr Engines – only 210 hours SMOH

  • Compressions at last annual: 78/80, 66/80, 72/80, 74/80

  • Propeller time: 813 hours SMOH

🧠 Avionics – Installed by SRQ Avionics (Sarasota, FL)

  • Garmin GI-275 Attitude Indicator (with backup battery)

  • Garmin GI-275 MFD/HSI (with backup battery)

  • Garmin GNX375 WAAS GPS + Transponder (ADSB In/Out)

  • Garmin GNC255 Nav/Comm

  • Garmin GTR225 Comm

  • Garmin GMA 345 4-place Audio Panel & Intercom

  • Garmin GA 35 GPS Antenna

  • Garmin GSB15 Dual USB Charging Port

  • Cessna 300 Single-Axis Autopilot – Heading Hold Only

🛩️ Performance

  • Empty Weight: 1,538 lbs

  • Gross Weight: 2,300 lbs

  • Useful Load: 762 lbs

  • Engine TBO: 2,000 hours

🪑 Interior & Exterior

  • Refreshed interior with new plastic trim, clean carpet, and seats with no rips

  • Exterior paint in white with black & gold trim

  • Always hangared and cared for over 20+ years by current owner

💼 Why It’s for Sale

Owner is upgrading to a faster aircraft for business missions. Otherwise, N100M continues to serve as a stable, reliable cross-country and IFR platform — perfect for time-builders, students, and history lovers alike.

🔑 Mack Aero Broker’s Note

This isn’t just a 172 with great avionics and low engine time — it’s a historic aircraft with personality and modern performance. Whether you’re building time, training, or looking to own a collectible Cessna with utility, N100M checks all the boxes.