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twin-engined light aircraft ,
Piper PA-34 Seneca is a twin-engined light aircraft , originating in United States. It was built by Piper Aircraft.
United StatesTechnical data
True scale
Sourced dimensions beside a 1.75 m human reference.
Points represent sourced observations, including revisions. Revisions on the same effective date are not separate inventory events. Ranges appear in the table and are not plotted as exact points.
| Observation / report period | Value | Source | Claim state |
|---|---|---|---|
| 29 Sept 2026 | 8.72 m | Wikipedia contributors | superseded |
| 29 Sept 2026 | 8.72 m | Wikipedia contributors | approved |
| 29 Sept 2026 | 8.72 m | Wikipedia contributors | superseded |
| 29 Sept 2026 | 8.72 m | Wikipedia contributors | superseded |
| 29 Sept 2026 | 8.72 m | Wikipedia contributors | superseded |
| 29 Sept 2026 | 8.72 m | Wikipedia contributors | superseded |
| 29 Sept 2026 | 8.72 m | Wikipedia contributors | superseded |
Business and personal aircraft
United States
Piper Aircraft
5,037
1971–2019
1971
25 April 1967
Piper Cherokee Six
PZL M-20 Mewa
One
Five or six passengers
28 ft 7.44 in (8.72 m)
38 ft 10.87 in (11.86 m)
9 ft 10.8 in (3.02 m)
208.7 sq ft (19.39 m 2 )
laminar flow NACA 652-415
3,212 lb (1,457 kg)
4,773 lb (2,165 kg)
4,750 lb (2,155 kg)
2 × Continental TSIO-360RB and LTSIO-360RB 6-cylinder, air-cooled, horizontally-opposed piston engine , 220 hp (164 kW) each
204 kn (235 mph, 378 km/h) at 23,000 ft (7,000 m)
188 kn (216 mph, 348 km/h) econ cruise at 25,000 ft (7,600 m)
61 kn (70 mph, 113 km/h) wheels and flaps down
204 kn (235 mph, 378 km/h)
870 nmi (1,000 mi, 1,611 km) max fuel, econ cruise at 18,000 ft (5,500 m), no reserves
25,000 ft (7,620 m)
1,550 ft/min (7.87 m/s)
21.2 lb/sq ft (104 kg/m 2 )
0.1 hp/lb (164 W/kg)
The Piper PA-34 Seneca is a twin-engined light aircraft , produced in the United States by Piper Aircraft .
With the decision to abandon the three-engined design tested on the PA-32-3M, the PA-34 was developed as a twin-engined aircraft. The prototype PA-34-180 Twin Six, registered as N3401K , first flew on 25 April 1967. The prototype had two 180 hp (134 kW) Lycoming O-360 engines, a fixed nosewheel landing gear and a Cherokee Six vertical tail. The second prototype flew on 30 August 1968, still with the 180 hp (134 kW) Lycomings but had retractable landing gear and a taller vertical tail. During development flying the wingspan was increased by two feet. The third prototype was closer to the production standard and flew on 20 October 1969; it was fitted with 200 hp (149 kW) Lycoming IO-360-A1A engines.
The early Seneca models have a maximum gross weight of 4,000 lb (1,810 kg), while later serial numbers allowed a takeoff weight of 4,200 lb (1,910 kg).
Gross weights are 4,570 lb (2,070 kg) for takeoff and 4,342 lb (1,969 kg) for landing, with all weight in excess of 4,000 lb (1,800 kg) required to be fuel.
The change in model designation reflected an engine upgrade. Continental TSIO-360-KB engines were used which produced 220 horsepower (165 kW), although only rated as such for five minutes and then dropping to 200 hp (149 kW).
The horsepower increase, with the new engines limit of 2800 rpm (up from 2575 rpm), combined for much improved climb and cruise performance. The new aircraft also incorporated a one-piece windshield and a bare metal instrument panel instead of one covered with a removable plastic fascia. Because of the raised zero-fuel weight and the raised maximum take-off weight, the Seneca III has the highest useful load of all the PA-34 variants. Some later models have electrically actuated flaps. More than 930 Seneca IIIs were built; the last 37 Seneca IIIs built had a 28-volt electrical system rather than the 14-volt system of previous aircraft.
The aircraft's gross weight was increased to 4,750 lb (2,155 kg) for takeoff and 4,513 lb (2,047 kg) for landing. A typical Seneca III with air conditioning and deicing equipment has a useful load of 1,377 lb (625 kg).
The Seneca V's gross weights remain the same as the Seneca III and IV at 4,750 lb (2,155 kg) for takeoff and 4,513 lb (2,047 kg) for landing, therefore, with all of the added features, the useful load is reduced by about 200 lb (91 kg). The standard useful load for the 2014 model is 1,331 lb (604 kg) but typically is 1,134 lb (514 kg) when the aircraft is equipped with air conditioning, deicing equipment and co-pilot instruments.
From 1975 the Seneca was built under licence in Brazil by Embraer as the EMB-810. The PA-34-200T was produced as the EMB-810C Seneca (452 built) and the PA-34-220T as the EMB-810D (228 built). The EMB-810C is designated U-7 in Brazilian Air Force service.
On 2 August 1978 a Seneca carrying Richard D. Obenshain home from an election campaign event crashed while attempting a night-time landing at the Chesterfield County Airport (a general aviation airport near Richmond, Virginia ), killing Obenshain and the other two people on board.
Capacity: Five or six passengers
Length: 28 ft 7.44 in (8.72 m)
Wingspan: 38 ft 10.87 in (11.86 m)
Height: 9 ft 10.8 in (3.02 m)
Wing area: 208.7 sq ft (19.39 m 2 )
Empty weight: 3,212 lb (1,457 kg)
Gross weight: 4,773 lb (2,165 kg)
Max takeoff weight: 4,750 lb (2,155 kg)
Powerplant: 2 × Continental TSIO-360RB and LTSIO-360RB 6-cylinder, air-cooled, horizontally-opposed piston engine , 220 hp (164 kW) each
Maximum speed: 204 kn (235 mph, 378 km/h) at 23,000 ft (7,000 m)
Cruise speed: 188 kn (216 mph, 348 km/h) econ cruise at 25,000 ft (7,600 m)
Stall speed: 61 kn (70 mph, 113 km/h) wheels and flaps down
Never exceed speed : 204 kn (235 mph, 378 km/h)
Range: 870 nmi (1,000 mi, 1,611 km) max fuel, econ cruise at 18,000 ft (5,500 m), no reserves
Service ceiling: 25,000 ft (7,620 m)
Rate of climb: 1,550 ft/min (7.87 m/s)
PA-34 United States Photogrammetric surveying aircraft 1 Deployed in the 138th Transport Squadron of the 204th Air Brigade.
Reference text from Wikipedia contributors, used under CC BY-SA 4.0.
Piper PA-34 Seneca equipment records. Variants, orders and quantities are shown as reported in each inventory source; coverage is incomplete.
BoliviaAir Force exact named equipment holdings: PA-34 Seneca. Active, operational-reserve and training units excluding equipment in store; November 2025 IISS assessment. Named service only; no parent-force or national total inferred. Source role: AIRCRAFT / Light. Original estimates, ranges, reporting names, reserve, lease and employment scopes retained; nested included counts are not added. Missile-system quantities mean launchers, not rounds. No readiness, crew, carried weapon, payload, factory-production or future order count inherited.
Burkina FasoAir Force exact named equipment holdings: PA-34 Seneca. Active, operational-reserve and training units excluding equipment in store; November 2025 IISS assessment. Named service only; no parent-force or national total inferred. Source role: AIRCRAFT / None. Original estimates, ranges, reporting names, reserve, lease and employment scopes retained; nested included counts are not added. Missile-system quantities mean launchers, not rounds. No readiness, crew, carried weapon, payload, factory-production or future order count inherited.
ColombiaNaval Aviation exact named equipment holdings: PA-34 Seneca. Active, operational-reserve and training units excluding equipment in store; November 2025 IISS assessment. Named service only; no parent-force or national total inferred. Source role: AIRCRAFT / None. Original estimates, ranges, reporting names, reserve, lease and employment scopes retained; nested included counts are not added. Missile-system quantities mean launchers, not rounds. No readiness, crew, carried weapon, payload, factory-production or future order count inherited.
Costa RicaAir Surveillance Unit exact named equipment holdings: PA-34 Seneca. Active, operational-reserve and training units excluding equipment in store; November 2025 IISS assessment. Named service only; no parent-force or national total inferred. Source role: AIRCRAFT / Light. Original estimates, ranges, reporting names, reserve, lease and employment scopes retained; nested included counts are not added. Missile-system quantities mean launchers, not rounds. No readiness, crew, carried weapon, payload, factory-production or future order count inherited.
Dominican RepublicReported count for Piper PA-34 Seneca · PA-34. Service scope: Dominican Air Force; does not replace a national total. 1 distinct quantity component(s) from the same source list; shared rowspan cells counted once. Explicit source inventory scope: active; no other stock status or total inferred. Count column(s): in service: 1. Origin: United States. The listed variants/roles are the scope, not an immediately deployable count. Dates are the count-cell citations' stated source period (2023), not the article revision. 2023 cited publication year. Edition or publication years do not claim an exact inventory census day.
EcuadorAir Force exact named equipment holdings: PA-34 Seneca. Active, operational-reserve and training units excluding equipment in store; November 2025 IISS assessment. Named service only; no parent-force or national total inferred. Source role: AIRCRAFT / Light. Original estimates, ranges, reporting names, reserve, lease and employment scopes retained; nested included counts are not added. Missile-system quantities mean launchers, not rounds. No readiness, crew, carried weapon, payload, factory-production or future order count inherited.
GuatemalaAir Force exact named equipment holdings: PA-34 Seneca. Active, operational-reserve and training units excluding equipment in store; November 2025 IISS assessment. Named service only; no parent-force or national total inferred. Source role: AIRCRAFT / Light. Original estimates, ranges, reporting names, reserve, lease and employment scopes retained; nested included counts are not added. Missile-system quantities mean launchers, not rounds. No readiness, crew, carried weapon, payload, factory-production or future order count inherited.
HondurasReported count for Piper PA-34. Service scope: Honduran Air Force; does not replace a national total. 1 distinct quantity component(s) from the same source list; shared rowspan cells counted once. Explicit source inventory scope: active; no other stock status or total inferred. Count column(s): in service: 1. Origin: United States. The listed variants/roles are the scope, not an immediately deployable count. Dates are the count-cell citations' stated source period (2023), not the article revision. 2023 cited publication year. Edition or publication years do not claim an exact inventory census day.
MozambiqueAir Force exact named equipment holdings: PA-34 Seneca. Active, operational-reserve and training units excluding equipment in store; November 2025 IISS assessment. Named service only; no parent-force or national total inferred. Source role: AIRCRAFT / Light. Original estimates, ranges, reporting names, reserve, lease and employment scopes retained; nested included counts are not added. Missile-system quantities mean launchers, not rounds. No readiness, crew, carried weapon, payload, factory-production or future order count inherited.
PanamaNational Aeronaval Service exact named equipment holdings: PA-34 Seneca. Active, operational-reserve and training units excluding equipment in store; November 2025 IISS assessment. Named service only; no parent-force or national total inferred. Source role: AIRCRAFT / None. Original estimates, ranges, reporting names, reserve, lease and employment scopes retained; nested included counts are not added. Missile-system quantities mean launchers, not rounds. No readiness, crew, carried weapon, payload, factory-production or future order count inherited.
PeruArmy exact named equipment holdings: PA-34 Seneca. Active, operational-reserve and training units excluding equipment in store; November 2025 IISS assessment. Named service only; no parent-force or national total inferred. Source role: AIRCRAFT / Light. Original estimates, ranges, reporting names, reserve, lease and employment scopes retained; nested included counts are not added. Missile-system quantities mean launchers, not rounds. No readiness, crew, carried weapon, payload, factory-production or future order count inherited.
SerbiaReported count for PA-34. Country-wide list; no individual service specified. 1 distinct count cell(s) from the same source list; shared rowspan cells counted once. Excludes retired/reserve/on-order rows. Count column(s): quantity: 1. Origin: United States. The listed variants/roles are the scope, not an immediately deployable count. The components do not establish one inventory census date; the stored date is the retrieved source snapshot.
Reported count for Piper PA-34. Service scope: Colombian Aerospace Force; does not replace a national total. 1 distinct quantity component(s) from the same source list; shared rowspan cells counted once. Explicit source inventory scope: active; no other stock status or total inferred. Count column(s): in service: 1. Origin: United States. The listed variants/roles are the scope, not an immediately deployable count. Dates are the count-cell citations' stated source period (2025), not the article revision. 2025 cited source edition. Edition or publication years do not claim an exact inventory census day.
Reported count for Piper PA-34. Service scope: Colombian Aerospace Force; does not replace a national total. 1 distinct count cell(s) from the same source list; shared rowspan cells counted once. Retired, wholly reserve and on-order rows are excluded; the reported count retains any explicitly mixed stock scope in the quoted row. Count column(s): in service: 1. Origin: United States. The listed variants/roles are the scope, not an immediately deployable count. Dates are the count-cell citations' stated source period (2025), not the article revision. 2025 cited source edition. Edition or publication years do not claim an exact inventory census day.
Reported count for Piper PA-34 Seneca · PA-34. Service scope: Dominican Air Force; does not replace a national total. 1 distinct count cell(s) from the same source list; shared rowspan cells counted once. Retired, wholly reserve and on-order rows are excluded; the reported count retains any explicitly mixed stock scope in the quoted row. Count column(s): in service: 1. Origin: United States. The listed variants/roles are the scope, not an immediately deployable count. Dates are the count-cell citations' stated source period (2023), not the article revision. 2023 cited publication year. Edition or publication years do not claim an exact inventory census day.
Reported count for Piper PA-34. Service scope: Ecuadorian Air Force; does not replace a national total. 1 distinct quantity component(s) from the same source list; shared rowspan cells counted once. Explicit source inventory scope: active; no other stock status or total inferred. Count column(s): in service: 1. Origin: United States. The listed variants/roles are the scope, not an immediately deployable count. Dates are the count-cell citations' stated source period (2023), not the article revision. 2023 cited source edition. Edition or publication years do not claim an exact inventory census day.
Reported count for Piper PA-34. Service scope: Honduran Air Force; does not replace a national total. 1 distinct count cell(s) from the same source list; shared rowspan cells counted once. Retired, wholly reserve and on-order rows are excluded; the reported count retains any explicitly mixed stock scope in the quoted row. Count column(s): in service: 1. Origin: United States. The listed variants/roles are the scope, not an immediately deployable count. Dates are the count-cell citations' stated source period (2023), not the article revision. 2023 cited publication year. Edition or publication years do not claim an exact inventory census day.
Reported count for Piper PA-34. Service scope: Peruvian Air Force; does not replace a national total. 1 distinct quantity component(s) from the same source list; shared rowspan cells counted once. Explicit source inventory scope: active; no other stock status or total inferred. Count column(s): in service: 1. Origin: United States. The listed variants/roles are the scope, not an immediately deployable count. Dates are the count-cell citations' stated source period (2023), not the article revision. 2023 cited publication year. Edition or publication years do not claim an exact inventory census day.
Reported count for Piper PA-34. Service scope: Peruvian Air Force; does not replace a national total. 1 distinct count cell(s) from the same source list; shared rowspan cells counted once. Retired, wholly reserve and on-order rows are excluded; the reported count retains any explicitly mixed stock scope in the quoted row. Count column(s): in service: 1. Origin: United States. The listed variants/roles are the scope, not an immediately deployable count. Dates are the count-cell citations' stated source period (2023), not the article revision. 2023 cited publication year. Edition or publication years do not claim an exact inventory census day.