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CESSNA 421 TURBINE Model Guide

CESSNA 421 TURBINE · Model Guide

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Overview

CESSNA 421 TURBINE: the supplied records are thin and mostly describe the piston Cessna 421 Golden Eagle, a pressurized twin with two 375 hp Continental GTSIO-520 engines. Turboprop 421s are conversions of piston airframes. The figures below are for the piston 421, not a converted turbine.

  • Specs here are for the piston 421 (7,450 lb max takeoff, 206 gal usable fuel). Get the conversion's own paperwork for a turbine.
  • Turbine 421s are conversions: Riley Turbine Eagle uses two 750 hp PT6A-135 engines; Excalibur 421 uses PT6A-135A or PT6A-112.
  • Turbocharger and exhaust condition matter on the piston 421. Check service bulletin compliance and V-band clamp records.
  • The initial training course lists 1000 hours total time and an instrument rating as entry requirements.

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.

View original at sprinkle.com

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Document details

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

Specifications & performance

Extracted from this document.

Specifications

Engine power (hp)
·
375
Fuel capacity usable (gal)
·
206
Fuel capacity optional (gal)
·
262

Performance

Range (nm)
·
1,487
Max speed (kt)
·
256
Cruise speed (kt)
·
240
Rate of climb (fpm)
·
1,940
Service ceiling (ft)
·
30,200
Landing distance (ft)
·
2,293
Takeoff distance (ft)
·
2,323

Weight & balance

Usable fuel (lb)
·
1,236
Empty weight (lb)
·
4,501
Zero fuel weight (lb)
·
6,733
Max takeoff weight (lb)
·
7,450
About this document
Do the figures describe a turbine CESSNA 421 TURBINE?

No. The CESSNA 421 TURBINE figures here come from the piston 421 (GTSIO-520 engines). Turbine versions are conversions, so check the conversion's own documents for weights and performance.

What is a turbine conversion of the 421?

For the CESSNA 421 TURBINE, the sources name the Riley Turbine Eagle 421 (two 750 hp PT6A-135 engines) and the Excalibur 421 (PT6A-135A or PT6A-112). Both are conversions of the 421C.

What are the pilot entry requirements?

For the CESSNA 421 TURBINE family, the initial training syllabus asks for a private pilot certificate or higher with an instrument rating. It also asks for 1000 hours total flight time and a current IPC and flight review.

What is the CESSNA 421 TURBINE Model Guide?

The CESSNA 421 TURBINE Model Guide is a model guide for the CESSNA 421 TURBINE, dated 2026.

What year was the CESSNA 421 TURBINE Model Guide published?

The CESSNA 421 TURBINE Model Guide — the CESSNA 421 TURBINE model guide on file — is dated 2026.

Documentation completeness
4/7

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In this document

What it is

The 421 earned its type certificate in May 1967. The 421B added the Golden Eagle name. The 421C (1975) has wet wings and no wingtip fuel tanks. Production ended in 1985 after over 1,900 airplanes. Some were converted to turboprops.

Performance (piston 421)

Maximum speed is 256 kn at 20,000 ft. Cruise is 240 kn at 25,000 ft at 75% power. Range is 1,487 nmi and service ceiling 30,200 ft. Usable fuel is 206 US gal, or 262 US gal with optional wing tanks.

Pre-buy focus

Check turbocharger records against the 2008 turbine housing bulletin and the 2010 rebuilt turbine wheel bulletin. Review exhaust inspection history, including V-band clamp replacement. A turbine conversion also needs its own engine and STC records.

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

Safety notes

  • Bulletin 030 Rev. A covers turbine housings made Aug 25, 2006 to Jan 25, 2008 on 421 Golden Eagle turbochargers. Compliance was due within ten hours.
  • Rebuilt turbochargers supplied Jan 2007 to Jun 2009 may fail without warning (MSB10-3). Compliance was due within ten hours of service.
  • A 421C crashed after takeoff when Jet A was loaded instead of 100LL. Be present at fueling and confirm the grade and quantity.

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

Full document text

CESSNA 421 TURBINE Model Guide CESSNA 421 TURBINE: the supplied records are thin and mostly describe the piston Cessna 421 Golden Eagle, a pressurized twin with two 375 hp Continental GTSIO-520 engines. Turboprop 421s are conversions of piston airframes. The figures below are for the piston 421, not a converted turbine. • Specs here are for the piston 421 (7,450 lb max takeoff, 206 gal usable fuel). Get the conversion's own paperwork for a turbine. • Turbine 421s are conversions: Riley Turbine Eagle uses two 750 hp PT6A-135 engines; Excalibur 421 uses PT6A-135A or PT6A-112. • Turbocharger and exhaust condition matter on the piston 421. Check service bulletin compliance and V-band clamp records. • The initial training course lists 1000 hours total time and an instrument rating as entry requirements. What it is The 421 earned its type certificate in May 1967. The 421B added the Golden Eagle name. The 421C (1975) has wet wings and no wingtip fuel tanks. Production ended in 1985 after over 1,900 airplanes. Some were converted to turboprops. Performance (piston 421) Maximum speed is 256 kn at 20,000 ft. Cruise is 240 kn at 25,000 ft at 75% power. Range is 1,487 nmi and service ceiling 30,200 ft. Usable fuel is 206 US gal, or 262 US gal with optional wing tanks. Pre-buy focus Check turbocharger records against the 2008 turbine housing bulletin and the 2010 rebuilt turbine wheel bulletin. Review exhaust inspection history, including V-band clamp replacement. A turbine conversion also needs its own engine and STC records. Safety notes: • Bulletin 030 Rev. A covers turbine housings made Aug 25, 2006 to Jan 25, 2008 on 421 Golden Eagle turbochargers. Compliance was due within ten hours. • Rebuilt turbochargers supplied Jan 2007 to Jun 2009 may fail without warning (MSB10-3). Compliance was due within ten hours of service. • A 421C crashed after takeoff when Jet A was loaded instead of 100LL. Be present at fueling and confirm the grade and quantity.

All CESSNA 421 TURBINE model guide