1. Coms Nav Aviation Parts For Sale
  2. sku: 6074538376298721
  3. PIPER 753-721

PIPER 753-721 Autocontol Altimatic Iiib Manual 752-723

fits make: Piper.

752-723 Piper 753-721 Autocontol Iii Altimatic-iiib Maintenance Manual

( Manufacturer Part Number: 753-721 ), ( Part Type: Manual ), ( Compatible Make: Avionics )

Review PIPER Autocontol Altimatic iiib Maintenance Manual

The **Piper PA-28-161 Archer II (Model 753-721) with Autocontol Altimatic-IIIB Automatic Pilot and Manual Trim System (Model 752-723)** represents a refined and versatile entry into the world of general aviation, blending the time-tested reliability of Piper s legendary Archer II with cutting-edge avionics and advanced flight control technology. This aircraft is designed to cater to the needs of private pilots, flight instructors, and small charter operators who demand both performance and ease of operation. The Archer II itself is a well-proven design, known for its forgiving handling characteristics, efficient fuel consumption, and spacious cabin that comfortably accommodates four passengers or a pilot and three students. Its low-wing configuration and tricycle landing gear provide a smooth ride and excellent visibility, making it ideal for training, recreational flying, and short-haul operations.

At the heart of this aircraft s advanced capabilities is the **Autocontol Altimatic-IIIB automatic pilot system**, a sophisticated yet user-friendly solution that enhances safety and reduces pilot workload during extended flights. The Altimatic-IIIB is a full-authority, three-axis autopilot that seamlessly integrates with the aircraft s flight controls to maintain altitude, heading, and airspeed with precision. This system is particularly valuable for pilots who frequently engage in cross-country flights, flight training sessions, or operations in less-than-ideal weather conditions, as it allows for hands-off flying while maintaining situational awareness. The autopilot s intuitive controls, including direct manual override capabilities, ensure that pilots retain full command of the aircraft at all times. Complementing the autopilot is the **Manual Trim System (Model 752-723)**, which offers precise and responsive trim adjustments, allowing pilots to fine-tune the aircraft s pitch, roll, and yaw effortlessly. This feature is especially beneficial during training flights, where maintaining a stable flight profile is critical for student pilots to develop proper control techniques.

Beyond its flight control systems, the Archer II is equipped with a robust and efficient engine the **Lycoming O-320-H2AD (160 hp) or O-320-H2AD (160 hp) with a constant-speed propeller**, depending on the specific variant delivering reliable performance across a range of altitudes and temperatures. The aircraft s fuel capacity of approximately 56 gallons provides a comfortable range of around 700 nautical miles, making it well-suited for regional travel or extended training missions. The cabin itself is thoughtfully designed, offering ample legroom and headspace for passengers, along with large windows that maximize natural light and visibility. The dual controls standard on this model further emphasize its role as a training aircraft, allowing instructors to supervise students with ease.

For pilots who prioritize safety and operational efficiency, the Archer II with Autocontol and Altimatic-IIIB represents a compelling choice. The combination of advanced avionics, precise flight control systems, and Piper s proven airframe ensures a smooth, enjoyable, and secure flying experience. Whether used for personal recreation, professional training, or light charter work, this aircraft exemplifies Piper s commitment to delivering a versatile, high-performance machine that meets the demands of modern aviation. Its blend of technology and tradition makes it a standout option for pilots who seek both capability and comfort in the skies.

### **Pros and Cons of Buying a Piper PA-28-161 Archer II (Model 753-721 with Autocontrol Altimatic-IIIB and Manual 752-723)**

#### **Pros**

1. **Proven Reliability** The Piper PA-28 Archer II is a well-established, high-wing, fixed-gear aircraft with a strong track record of durability. It has been in production since the 1970s, meaning there is a vast network of mechanics, parts, and maintenance resources available.

2. **Excellent Training Aircraft** The Archer II is widely used for flight training due to its forgiving handling characteristics, moderate power, and smooth performance. It is ideal for student pilots transitioning to more complex aircraft.

3. **Affordable Operating Costs** Compared to modern light aircraft, the Archer II has relatively low fuel consumption (about 8 10 gallons per hour) and reasonable maintenance costs. Parts are widely available, reducing long-term expenses.

4. **Good Performance for Its Class** With a Lycoming O-320-E2D engine (160 hp), it cruises at around **120 130 knots**, which is respectable for a single-engine, fixed-gear aircraft. The high-wing design provides good visibility and stability in turbulent conditions.

5. **Autocontrol Altimatic-IIIB** This autopilot system (if properly installed and maintained) enhances safety by providing hands-free flight capabilities, making cross-country flights more comfortable and reducing pilot fatigue.

6. **Manual 752-723 Compatibility** The manual (likely the *Pilot s Operating Handbook* or *Maintenance Manual*) ensures proper operation and maintenance, which is crucial for safety and longevity.

7. **Strong Resale Value** Due to its popularity, the Archer II holds its value well compared to less common aircraft. A well-maintained example can still fetch a reasonable price in the used market.

8. **Easy to Fly and Maintain** The aircraft is straightforward to operate, with minimal complexity in systems. Many mechanics are familiar with Piper models, making repairs and inspections more accessible.

---

#### **Cons**

1. **Outdated Technology** The Archer II lacks modern avionics and automation found in newer aircraft (e.g., glass cockpits, GPS integration, ADS-B compliance). This can be a drawback for pilots who rely on advanced navigation tools.

2. **Noise and Vibration** The Lycoming O-320 engine is relatively noisy, and the fixed-pitch propeller does not offer variable pitch for better efficiency. Vibration levels can be higher than in modern aircraft.

3. **Limited Range** With a fuel capacity of **56 gallons**, the Archer II has a typical range of **600 700 nautical miles** at cruise, which may be insufficient for long cross-country flights without refueling.

4. **Fixed-Gear Limitations** The non-retractable landing gear means higher drag and slightly reduced performance compared to retractable-gear aircraft. This can affect takeoff and climb performance in hot and high conditions.

5. **Maintenance Requirements** While parts are abundant, the aircraft still requires regular inspections, especially for the Lycoming engine (which is prone to oil consumption issues if not properly maintained). Some owners report higher-than-average maintenance costs over time.

6. **Comfort and Ergonomics** The cabin is narrow, and the seats are less comfortable for long flights compared to modern light aircraft. The cockpit layout is less ergonomic than newer designs.

7. **Potential for Modifications Needed** If the aircraft lacks modern avionics (e.g., no GPS, transponder, or ADS-B), upgrading may be necessary, adding to the cost.

8. **Inspection and Airworthiness Concerns** Older aircraft may require more frequent inspections, and some buyers should verify the aircraft s history (e.g., logbooks, maintenance records) to avoid hidden issues.

---

### **Conclusion**

The Piper PA-28-161 Archer II (753-721 with Autocontrol Altimatic-IIIB) is a **solid, reliable choice** for pilots who prioritize simplicity, affordability, and ease of maintenance. It remains a **great training aircraft** and a practical option for recreational flying, especially for those who do not require the latest avionics or long-range capabilities.

However, if you are looking for **modern avionics, better fuel efficiency, or a more comfortable cabin**, you may find newer light aircraft (e.g., Cirrus SR22, Diamond DA40, or Cessna 172SP) more appealing. The Archer II is best suited for **budget-conscious buyers, flight instructors, or pilots who value tradition and low operating costs** over cutting-edge technology.

### **Recommendation**

- **Buy if:** You need a **reliable, low-cost training or recreational aircraft**, are comfortable with analog systems, and do not require long-range or advanced avionics.

- **Consider alternatives if:** You want **modern glass cockpits, better performance, or more comfort** in which case, a newer light aircraft may be worth the investment.

- **Due diligence required:** Always **inspect maintenance records, perform a pre-purchase inspection, and verify the aircraft s airworthiness** before purchasing.

For most buyers, the Archer II remains a **practical and cost-effective choice**, especially in the used market, but weigh your priorities carefully before committing.

Details:

Excellent Condition. This is critical information for the owner, operator, A P, avionics tech to maintain and troubleshoot autopilot.

part #: 753721 price

  • $125.00

specifications comnavavioni:

  • for makes: Piper
  • mpn: 753-721
  • part type: Manual
  • compatible make: Avionics

returns comnavavioni:

  • policy: No Returns

general comnavavioni:

  • Aviation Parts Accessories > Avionics > NAV/COMs
  • condition: Used

payments comnavavioni:

  • other
  • wallet: Google-pay
  • credit card: Visa

shipping comnavavioni:

  • class: Standard
  • carrier: USPS
  • cost: $7.26
  • type: Calculated
  • service: USPS Ground Advantage
  • transit: 4-8 Days

offer comnavavioni:

  • best offers: True
  • options: Ship-to-home
  • quantity: 1
  • availability: In Stock
  • started: May 29, 2026
  • sold: 0

seller comnavavioni:

  • # reviews: 24
  • city: Saint Paul, Minnesota
  • rating: 100.0%
for makes: piper, part type: manual, compatible make: avionics,
category: auto parts > aviation parts accessories > avionics > nav/coms, sku: 6074538376298721,
Piper 753-721 Is Similar To:
comnavavioni logo
1 offer $125.00 USD
  • Used. Offer #1 priced at $125.00 + $7.26 shipping estimate = $132.26* total. This is critical information for the owner, operator, A&P, avionics tech to maintain and troubleshoot the autopilot. Excellent Condition.+$7.26 shipping

Copyright © comnavavioni.com