Cessna 150 vs 150A: Early Models, Gear Changes and Serial Identity

The original Cessna 150 and the 150A share the O-200-A engine and early Utility-category loading group, but the 150A introduces a different serial format and documented cabin, control and landing-gear changes. Here, “150” means the original 1959-1960 model, rather than every aircraft in the wider 150 family. The 150A is the 1961 model-year identity; it is not an A150 Aerobat.

Early Cessna 150 C-FXGR with a straight vertical tail — Cessna 150 C-FXGR, identified by the source as a 1959 example. The early tail and cabin outline provide historical context. Photo: Pete Webber from SWINDON, United Kingdom · Wikimedia Commons · CC BY-SA 2.0. Resized, WebP.

Exact model identities and recorded eligibility
Official Model	Model Years	Certification Category	Engine as Type-Certificated	Certified Serial Eligibility	Important Identity Note	Reference
150	1959-1960	Utility	Continental O-200-A	617; 17001-17999; 59001-59018	Early base model. Special eligible S/N 617 is explicitly listed in TCDS 3A19.	[1]
150A	1961	Utility	Continental O-200-A	628; 15059019-15059350	Special eligible S/N 628 is explicitly listed in TCDS 3A19.	[1]

Table sources:

[1] FAA TCDS 3A19: Cessna 150 and A150 Model Identity

The A comes after the number

The original 150 has ordinary five-digit serial groups plus the special eligible identifier 617. The 150A uses the longer 150-prefixed sequence and separately lists 628. Neither short special serial should be expanded into a normal production number by guesswork. The serial lookup preserves those assignments and distinguishes a source model year from an aircraft manufacture date.

This distinction matters when an advertisement abbreviates the model. “150A” and “A150” reverse the position of the letter, but that reversal changes the entity being discussed. Record the complete model from the aircraft identity evidence before selecting manuals, researching parts or comparing asking descriptions. The Aerobat branch belongs in its own comparison, not in this early-model transition.

Cessna 150D D-EBNY parked on grass at Uetersen — Cessna 150D D-EBNY at Uetersen. This example provides a view of the straight tail and rear-window generation. Photo: Huhu Uet · Wikimedia Commons · CC BY 3.0. Resized, WebP.

Landing gear and cockpit changes

The historical change record describes an enlarged rear window, main gear moved aft, and a panel/control-column redesign for the 150A. This remains an early fastback-era aircraft; it does not introduce the later 150D Omni-Vision rear-window generation. A photograph of glazing or a replacement panel cannot settle the legal model identity.

Recorded A-model wheel and brake breakpoint
Model	Serial Trigger	Change	Effectivity	Source
150A	15059119	Cleveland wheels and brakes replace Goodyear	15059119 and on	[1]

Table sources:

[1] 1961 model-year specification page

A narrower wheel-and-brake change is recorded from serial 15059119. That boundary falls within the A-model context, so “1961 aircraft” alone does not select the original wheel and brake arrangement. The brake reference helps connect the historical change to the installed assembly. Replacement equipment and its approval history can matter more to a present parts enquiry than the original model-year description.

Another view of Cessna 150D D-EBNY, showing the cabin-to-tail outline. This aircraft illustrates the D generation rather than all early models. Photo: Huhu Uet · Wikimedia Commons · CC BY 3.0. Resized, WebP.

What stayed within the early group?

Both models retain the early 1,500-lb landplane maximum in the recorded certified-limit group and the 100-hp O-200-A installation. Those shared figures do not establish equal useful load: equipment and the aircraft's current empty weight still determine the remaining allowance. Compare the actual weight-and-balance records rather than subtracting a generic advertised empty weight.

The available historical performance summaries also carry their own power and altitude conditions. This comparison therefore makes no speed or runway-distance ranking. For a buyer, the useful distinction is the early aircraft's exact identity, gear/brake history and cockpit configuration. Put those findings beside structural condition and record continuity before deciding which individual example warrants a closer prebuy.