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Cessna 170 Model Guide

Cessna 170 · Model Guide

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Overview

The Cessna 170 is a four-seat, single-engine piston airplane built from 1948 to 1956 in 170, 170A and 170B versions. The FAA data sheet lists a Continental C145-2 engine rated 145 hp at 2700 rpm and a 2200 lb maximum weight in the Normal category. Registry figures for the whole 170 family show up to 104 kt cruise and up to 370 nm range.

  • Four seats, 120 lb baggage limit, and 2200 lb maximum weight (Normal category) or 1900 lb (Utility category).
  • The 170A has a single-strut all-metal wing and a 50° flap setting. The 170B adds slotted flaps. The original 170 has 30° flaps.
  • Fuel capacity differs by version: 37.5 gal total (33.5 usable) on the original 170, and 42 gal total (37 usable) on the 170A.
  • Family-level registry maxima are up to 104 kt cruise, 370 nm range and a 15500 ft service ceiling. They are not figures for any one variant.

Summary written by AI from the source document. Check the original before relying on it. See which parts of Sprinkle are written by AI.

Reference only, not for flight. Use the current approved manual for your aircraft. See terms, section 5.

Document

Source

Copy found at sprinkle.com. Sprinkle hosts a reference copy with an added summary, specifications and searchable full text.

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Document details

Type
·
Model Guide
Year
·
2026
File size
·
49 KB
Copy found at
·
sprinkle.com

Specifications & performance

Extracted from this document.

Specifications

Engine power (hp)
·
145
Oil capacity (gal)
·
2
Model 170 fuel total (gal)
·
37.5
Model 170 fuel usable (gal)
·
33.5
Model 170a fuel total (gal)
·
42
Model 170a fuel usable (gal)
·
37

Performance

Family max range (nm)
·
370
Family max cruise speed (kt)
·
104
Family max service ceiling (ft)
·
15,500

V-speeds

MANEUVERING_KTS
·
100
NEVER_EXCEED_KTS
·
139
MAX_STRUCTURAL_CRUISING_KTS
·
122
FLAPS_EXTENDED_MODEL_170_KTS
·
78
FLAPS_EXTENDED_MODEL_170A_KTS
·
87

Weight & balance

Max baggage (lb)
·
120
Max weight normal category (lb)
·
2,200
Max weight utility category (lb)
·
1,900
About this document
How many people does the Cessna 170 carry?

The Cessna 170 has four seats: two at station +36 and two at station +70. The FAA data sheet lists a 120 lb baggage limit and a 2200 lb maximum weight in the Normal category.

What engine does the Cessna 170 use?

The Cessna 170 uses a Continental C145-2 engine rated 145 hp at 2700 rpm on 80 minimum octane aviation gasoline. The 170A can also have a C145-2H, and the data sheet refers to an optional engine.

How fast and far does the Cessna 170 fly?

Registry data for the Cessna 170 family (170, 170A, 170B) shows up to 104 kt cruise and up to 370 nm range. These are family maxima, not figures for one variant. The FAA never-exceed speed is 139 kt.

What should I check on a used Cessna 170?

On a Cessna 170, confirm that the cigar lighter wiring AD (CASA AD/CESSNA 170/72) has been done. Inspect the door hinges and pins. On a float-equipped 170A or 170B, check the hydraulic pump. Confirm which wing, flap and fuel system the airplane has.

What is the Cessna 170 Model Guide?

The Cessna 170 Model Guide is a model guide for the Cessna 170, dated 2026.

What year was the Cessna 170 Model Guide published?

The Cessna 170 Model Guide — the Cessna 170 model guide on file — is dated 2026.

How rare is it?
2,515Cessna 170 registered worldwide · 2,503 active

Common. More common than 99% of the aircraft models we track.

Documentation completeness
5/7

Most owners only have the POH. Here's the essential set for the Cessna 170.

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In this document

Versions and what changed

The FAA data sheet covers the 170, 170A and 170B. The 170A has a single-strut all-metal wing, revised ailerons and flaps, a dorsal fin and a gravity fuel system. The 170B adds slotted flaps, a revised horizontal tail and a flap limiter. Serial numbers 18000 through 18729 are the original 170. Serial numbers 18730 through 20266, except 19401, are the 170A.

Limits to know before you buy

Per the FAA data sheet, the original 170 uses 80 minimum octane fuel and has a 2700 rpm limit. Its never-exceed speed is 139 kt, maximum structural cruising speed is 122 kt, maneuvering speed is 100 kt and flaps-extended speed is 78 kt. The 170A raises the flaps-extended speed to 87 kt. Normal category weight is 2200 lb and Utility category weight is 1900 lb.

Parts, floats and support

Original Cessna door hinge pins can only be removed by destroying them. McFarlane Aviation makes FAA-approved (PMA) replacement hinges and reusable pins for the 170 series, and recommends replacing the upper and lower hinges together. For 170A and 170B airplanes on Wipline 2100A floats, the Cessna hydraulic pump has been discontinued. Wipaire Service Letter 233 offers a replacement pump as an optional change.

Safety notes

  • Check the cigar lighter wiring AD (CASA AD/CESSNA 170/72) on serials 18000-20999 and 25000-27169. It addresses shorting that can cause smoke or fire behind the panel.
  • The 170A operation manual says not to operate with less than four quarts of oil. It also says to drain a small amount of fuel from the strainer on the first flight of the day.
  • The 170A operation manual says takeoff on less than 1/4 tank is not recommended.

Full document text

Cessna 170 Model Guide The Cessna 170 is a four-seat, single-engine piston airplane built from 1948 to 1956 in 170, 170A and 170B versions. The FAA data sheet lists a Continental C145-2 engine rated 145 hp at 2700 rpm and a 2200 lb maximum weight in the Normal category. Registry figures for the whole 170 family show up to 104 kt cruise and up to 370 nm range. • Four seats, 120 lb baggage limit, and 2200 lb maximum weight (Normal category) or 1900 lb (Utility category). • The 170A has a single-strut all-metal wing and a 50° flap setting. The 170B adds slotted flaps. The original 170 has 30° flaps. • Fuel capacity differs by version: 37.5 gal total (33.5 usable) on the original 170, and 42 gal total (37 usable) on the 170A. • Family-level registry maxima are up to 104 kt cruise, 370 nm range and a 15500 ft service ceiling. They are not figures for any one variant. Versions and what changed The FAA data sheet covers the 170, 170A and 170B. The 170A has a single-strut all-metal wing, revised ailerons and flaps, a dorsal fin and a gravity fuel system. The 170B adds slotted flaps, a revised horizontal tail and a flap limiter. Serial numbers 18000 through 18729 are the original 170. Serial numbers 18730 through 20266, except 19401, are the 170A. Limits to know before you buy Per the FAA data sheet, the original 170 uses 80 minimum octane fuel and has a 2700 rpm limit. Its never-exceed speed is 139 kt, maximum structural cruising speed is 122 kt, maneuvering speed is 100 kt and flaps-extended speed is 78 kt. The 170A raises the flaps-extended speed to 87 kt. Normal category weight is 2200 lb and Utility category weight is 1900 lb. Parts, floats and support Original Cessna door hinge pins can only be removed by destroying them. McFarlane Aviation makes FAA-approved (PMA) replacement hinges and reusable pins for the 170 series, and recommends replacing the upper and lower hinges together. For 170A and 170B airplanes on Wipline 2100A floats, the Cessna hydraulic pump has been discontinued. Wipaire Service Letter 233 offers a replacement pump as an optional change. Safety notes: • Check the cigar lighter wiring AD (CASA AD/CESSNA 170/72) on serials 18000-20999 and 25000-27169. It addresses shorting that can cause smoke or fire behind the panel. • The 170A operation manual says not to operate with less than four quarts of oil. It also says to drain a small amount of fuel from the strainer on the first flight of the day. • The 170A operation manual says takeoff on less than 1/4 tank is not recommended.