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Support aircraftActive service
Utility aircraft
Piper PA-31 Navajo is a utility aircraft. It was built by Piper Aircraft. Current inventory lists document it in Antigua and Barbuda, Guatemala, Honduras.
United StatesUtility aircraft
Piper Aircraft
Active service
3,942
1967–1984
30 March 1967
30 September 1964
Piper PA-31T Cheyenne
1 or 2
5 to 7 passengers
32 ft 7 + 1 ⁄ 2 in (9.94 m)
40 ft 8 in (12.40 m)
13 ft 0 in (3.96 m)
229 sq ft (21.3 m 2 )
NACA 63 4 415 at root, 63 1 212
3,930 lb (1,783 kg)
6,500 lb (2,948 kg)
190 US gal (160 imp gal; 720 L) total, 187 US gal (156 imp gal; 710 L) useable
2 × Lycoming TIO-540-A air-cooled six-cylinder horizontally opposed piston engine , 310 hp (230 kW) each
3-bladed Hartzell metal, fully feathering propellers, 6 ft 8 in (2.03 m) diameter
261 mph (420 km/h, 227 kn) at 15,000 ft (4,600 m)
238 mph (383 km/h, 207 kn) at 20,000 ft (6,100 m) (econ. cruise)
73 mph (117 km/h, 63 kn) (flaps down)
272 mph (438 km/h, 236 kn)
1,165 mi (1,875 km, 1,012 nmi) at 20,000 ft (6,100 m) (econ. cruise speed)
26,300 ft (8,000 m)
1,445 ft/min (7.34 m/s)
Piper PA-31 Navajo United States Transport PA-31-350 Chieftain 1 Serial ABDF-A2 . Also 1 additional "unserviceable" aircraft
Reference text from Wikipedia contributors, used under CC BY-SA 4.0.
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 |
|---|---|---|---|
| 1 Oct 2026 | 9.94 m | Wikipedia contributors | superseded |
| 1 Oct 2026 | 9.94 m | Wikipedia contributors | approved |
Piper PA-31 Navajo equipment records. Variants, orders and quantities are shown as reported in each inventory source; coverage is incomplete.
Antigua and BarbudaReported count for Piper PA-31 Navajo · PA-31-350 Chieftain. Service scope: Antigua and Barbuda Defence Force Air Wing; 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. The components do not establish one inventory census date; the stored date is the retrieved source snapshot.
ColombiaNaval Aviation exact named equipment holdings: PA-31 Navajo. 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 / ISR. 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-31 Navajo. 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 RepublicAir Force exact named equipment holdings: PA-31 Navajo. 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-31 Navajo. 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.
HondurasAir Force exact named equipment holdings: PA-31 Navajo. 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-31 Navajo. 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.
National Police Force exact named equipment holdings: PA-31 Navajo. 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.
Reported count for Piper PA-31 Navajo · PA-31. 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-31 Navajo. Service scope: Guatemalan 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 (2024), not the article revision. 2024 cited publication year. Edition or publication years do not claim an exact inventory census day.
Reported count for Piper PA-31. 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.