New In The BAS Disassembly Hangar August 18, 2025
Posted by Clinton McJenkin on Aug 18th 2025
It’s a busy week in the disassembly shop, with four classic airframes rolling in for teardown: a Piper PA-23 Apache, a Beechcraft K35 Bonanza, a Mooney M20M Bravo, and a Cessna 172S Skyhawk. Each represents a different chapter in general aviation history—twin-engine utility, V-tail innovation, high-performance speed, and dependable training. Now, instead of logging more hours in the sky, these aircraft are entering a new stage, supplying parts that will keep other planes flying.
It’s a busy week in the disassembly shop, with four classic airframes rolling in for teardown: a Piper PA-23 Apache, a Beechcraft K35 Bonanza, a Mooney M20M Bravo, and a Cessna 172S Skyhawk. Each represents a different chapter in general aviation history—twin-engine utility, V-tail innovation, high-performance speed, and dependable training. Now, instead of logging more hours in the sky, these aircraft are entering a new stage, supplying parts that will keep other planes flying.
Seeing them side by side highlights the variety of general aviation. The Apache, one of Piper’s early twins, brought multi-engine capability to countless pilots. The Bonanza K35 remains one of the most distinctive and iconic designs ever built. The Mooney Bravo, with its turbocharged performance, carried speed and efficiency into the modern era. And the 172S, a true cornerstone of training and personal flying, has probably introduced more people to aviation than any other aircraft. This week, our team is carefully disassembling each one, making sure their legacy continues through the parts that other aircraft owners and operators rely on.
Cessna 172S Skyhawk
The Cessna 172 Skyhawk is the most widely produced aircraft in history, with more than 44,000 units built since its introduction in 1956. A four-seat, single-engine, high-wing airplane, it was originally developed from the Cessna 170 but featured tricycle landing gear, making it easier to handle on the ground. Its reliability, forgiving flight characteristics, and low operating costs quickly made it popular among private owners and flight schools. Over the decades, the 172 has remained in production with only minor pauses, maintaining its reputation as the standard training aircraft worldwide.
Design improvements and upgrades have been introduced across the many sub-models, ranging from changes in tail design and avionics to more powerful engines. The aircraft has been used in civilian and military roles, including flight training, surveillance, and even record-setting endurance flights. With competitors like the Piper Cherokee, Diamond DA40, and Cirrus SR20, the Cessna 172 continues to hold its place as a versatile and dependable aircraft, often described as the “backbone of general aviation”.
The Cessna 172S Skyhawk SP, introduced in 1998, represents one of the most modern and capable versions of the series. Powered by a Lycoming IO-360-L2A engine producing 180 horsepower, it improved on the earlier 172R by increasing the maximum rpm from 2,400 to 2,700, boosting takeoff performance and raising the maximum takeoff weight to 2,550 pounds. Marketed primarily toward private owners, the 172S has often been delivered with premium features such as leather seats and the Garmin G1000 avionics suite, reflecting its status as the top-tier Skyhawk variant. By 2009, it was the only Skyhawk model still in production, highlighting its enduring popularity in the general aviation community.
This Skyhawk had an off-field landing that caused a prop strike and gear collapse...but we will recover a treasure trove of 172 goodies from this aircraft, such as...
Lycoming IO-360-L2A- SOLD- Garmin GTX-335 ADS-B out transponder P/N 011-03300-41
- King KX-155A Nav/COMM P/N 069-01032-0101
- King KX-155A Nav/COMM P/N 069-01032-0201
- King KLN-94 GPS P/N 069-01034-0101
- King KC-140 Flight control computer P/N 065-00176-7703
- King KMD-540 MFD P/N 066-04035-0301
- King KMA28 Audio Panel P/N 066-01176-0101
- Control yokes
- Rosen visors
- Cleveland wheels and brakes
- And much, much more!
Mooney M20M
The Mooney M20 is a family of four-seat, low-wing, piston-powered aircraft that has become one of the most iconic designs in general aviation. First flying in 1953 and certified in 1955, it was the 20th design from Al Mooney and by far his most successful. Over 11,000 examples have been built across multiple production runs, making it one of the longest-produced personal aircraft series in aviation history. Early models such as the M20 and M20A featured wooden wing and tail structures, but by the early 1960s Mooney transitioned to all-metal construction, improving durability and safety. Known for their efficiency, M20s earned a reputation for cruising speeds well above many competitors with relatively modest horsepower, giving pilots an attractive blend of performance and economy.
Throughout its development, the M20 line introduced a number of innovations and stretched across several fuselage lengths—short-body, medium-body, and long-body variants—all while maintaining the recognizable forward-swept tail. Notable models include the M20J "201," celebrated for its ability to cruise at 201 mph with just 200 horsepower, and the turbocharged M20K "231." Later, Mooney released advanced versions like the Acclaim Ultra, which included modern avionics, composite fuselage elements, and even a pilot-side door, a first for the type. Despite financial ups and downs for the manufacturer, the M20 family remained a benchmark in speed and efficiency within the single-engine piston market.
The Mooney M20M, introduced in 1989 as the TLS (Turbocharged Lycoming Sabre), represented a leap in performance for the long-body Mooney line. It was powered by a 270 hp Lycoming TIO-540 engine paired with a three-bladed propeller, giving it a cruise speed of 230 mph, a range of 1,060 miles, and a strong climb rate of 2,380 feet per minute. In 1996, an upgraded version with a refined engine, the TIO-540-AF1B, was introduced under the designation "M20M Bravo." The Bravo also offered options such as TKS ice protection, advanced avionics including Garmin glass cockpits in later years, and luxury interior refinements. Built through the early 2000s, the M20M became a high-performance flagship in Mooney’s lineup, bridging the gap between the efficient M20J and the later Acclaim models.
This Mooney had an off-field landing too, causing a prop strike and a one-way ticket to the disassembly hangar at BAS. We will have a great list of Mooney M20M parts ready to ship in short order, such as...
Lycoming TIO-540-AF1B- SOLD- Single Garmin G5
- JPI Engine monitor
- Control yokes
- Rosen Visors RMY-300-1
- King Autopilot
- Garmin GTN-750 GPS/NAV/Comm P/N 011-02282-00
- Garmin GTX-345 ADS-B Transponder P/N 011-0330-00
- PS Engineering PMA8000B Audio Panel P/N 050-890-0202
- King KN64 DME P/N 066-1088-00
- King KX-155 VHF/NAV/Comm P/N 069-1024-39
- LED Tail position light
- And so much more!
Beechcraft K35 Bonanza
The Beechcraft Bonanza is one of the most iconic general aviation aircraft in history. Introduced in 1947 by Beech Aircraft Corporation, it has remained in continuous production longer than any other aircraft, with more than 18,000 built across all variants. Designed by Ralph Harmon, the original Model 35 Bonanza was revolutionary at its time, featuring an all-aluminum airframe, retractable tricycle landing gear, and its distinctive V-tail design with “ruddervators.” Compared to many contemporaries built with wood and fabric, the Bonanza offered pilots a fast, modern, and efficient aircraft that quickly gained popularity among private owners, business operators, and charter services.
Over the years, the Bonanza line expanded into multiple versions, including both V-tail and conventional-tail designs. The early V-tail earned the nickname “forked-tail doctor killer,” not because of design flaws, but due to its popularity among wealthy amateur pilots who sometimes flew beyond their skill limits. Despite that reputation, accident studies later showed its safety record was comparable to similar aircraft of its class. The Bonanza’s adaptability also led to military use, experimental variants, and even long-distance record flights, cementing its place as a versatile and enduring aircraft in the aviation world.
The K35 Bonanza, introduced in 1959, was part of the V-tail line and represented a meaningful step in the aircraft’s evolution. This variant featured an increased fuel load, a higher takeoff weight, and the option for a fifth seat, making it more practical for longer flights and family or business travel. Powered by a 250-horsepower Continental IO-470-C engine, the K35 balanced strong performance with efficiency, while retaining the sleek handling characteristics that Bonanzas were known for. With 436 examples built, it marked a turning point in the series by blending the performance of earlier V-tails with improved comfort and capacity.
This aircraft was damaged when it landed in a cornfield. The corn fields never work out in the airplane's favor! The engine is NOT prop struck and we will recover a long list of fantastic Beech K35 parts and components, such as...
- Continental IO-470-C (non-prop-struck, 1396 SMOH)
- Throw Over Control Yoke
- Insight G3 Engine Monitor
- Uavionix Tail Beacon
- King KY-197
- King KX-155 Nav/Comm
- King KR-87
- PAI-700 Vertical Card Compass
- InterAv Alternator
- LH Ruddervator (patched with paperwork)
- D’Shannon Tip Tanks
- and so much more!
Piper PA-23-160 Apache
The Piper PA-23, introduced in the 1950s, was the first twin-engined aircraft produced by Piper Aircraft. Initially conceived as the "Twin Stinson" after Piper acquired the Stinson Division of Consolidated Vultee, the prototype flew in 1952 but required significant redesign before entering service. The final version was a low-wing, all-metal monoplane with a single vertical stabilizer and more powerful Lycoming engines. Marketed first as the Apache and later as the more capable Aztec, the PA-23 became popular in both civilian and limited military use for its versatility and ability to carry four to six people. Over its long production run from 1952 to 1981, nearly 7,000 examples were built.
The Apache and Aztec gained reputations as reliable and rugged light twins that appealed to both private owners and small commercial operators. Early Apaches were modestly powered, but successive upgrades brought improved performance, larger cabins, and eventually turbocharging in the Aztec models. The U.S. Navy and several foreign air forces also employed the type for light transport and liaison duties. The Aztec, in particular, became well-known for its load-carrying ability and roomy cabin, which made it a practical workhorse compared to sleeker but less spacious competitors.
The PA-23-160 variant, introduced in 1958, was an upgraded version of the Apache with two 160-horsepower Lycoming O-320 engines. This gave the aircraft better performance than the original 150 hp models, making it more attractive to private owners and training operators who needed improved climb rates and payload. A total of 816 PA-23-160 Apaches were built before the line evolved into the more powerful Apache 235 and, eventually, the Aztec family.
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