Description
About this aircraft
The Panther is the Colemill conversion of the Piper PA-31 Navajo. The factory engines are replaced with a pair of 350 hp turbocharged Lycoming TIO-540-J2B powerplants, turning four-blade Hartzell Q-Tip propellers, with redesigned nosebowl cowlings and optional winglets. The result is meaningfully more climb and cruise performance from an airframe with proven economics.
On regional legs this is what a light jet cannot do: short, unpaved and high-elevation strips, at a fraction of the hourly cost, carrying a genuine payload. It is the reason the type stayed in service long after Piper left the cabin-class piston twin market.
Airframe
| Model | [[ PA-31-310 / -325 / -350 ]] |
|---|---|
| Year of manufacture | [[ YEAR ]] |
| Serial number | [[ S/N ]] |
| Registration | [[ REG ]] |
| Total time airframe | [[ 0,000 h — as of DD MMM YYYY ]] |
| Landings | [[ 0,000 ]] |
| Damage history | [[ None known / describe ]] |
| Conversion | Colemill Panther STC |
Engines & propellers
| Engines | 2 × Lycoming TIO-540-J2B, 350 hp, turbocharged |
|---|---|
| Engine 1 — since overhaul | [[ 000 h ]] |
| Engine 2 — since overhaul | [[ 000 h ]] |
| Overhaul type | [[ Factory reman / field OH — date ]] |
| Propellers | Hartzell four-blade Q-Tip |
| Propellers — since overhaul | [[ 000 h ]] |
| Engine programme | [[ Enrolled / not enrolled ]] |
Avionics
List only what is actually installed. Never copy the panel of another aircraft.
| GPS / NAV / COM | [[ … ]] |
|---|---|
| Transponder | [[ … ]] |
| ADS-B Out | [[ Compliant / not compliant ]] |
| Autopilot | [[ … ]] |
| Weather radar | [[ Installed / none ]] |
Cabin & exterior
| Seating | [[ 6 / 7 / 8 — club or commuter layout ]] |
|---|---|
| Interior | [[ Colour, material, year refurbished ]] |
| Exterior | [[ Scheme, year painted ]] |
| Air conditioning | [[ Installed / none ]] |
| Cargo door | [[ Yes / no ]] |
Maintenance & records
| Last inspection | [[ MMM YYYY ]] |
|---|---|
| Next inspection due | [[ MMM YYYY ]] |
| AD compliance | [[ Current / list open items ]] |
| Logbooks | [[ Complete since new / from YYYY ]] |
| Operated under | [[ Private / Part 135 / RAC ]] |
| Based at | [[ ICAO — city ]] |
Full records and inspection reports are made available under NDA to qualified parties.
About the type
Reference figures for the Panther conversion. These describe the type, not measurements of this individual aircraft. Verify all performance against the AFM.
| Powerplant | 2 × Lycoming TIO-540-J2B, 350 hp |
|---|---|
| Propellers | Hartzell four-blade Q-Tip |
| Max speed | 275 mph at 15,000 ft |
| Max take-off weight | 6,500 lb (converted PA-31-325) |
| Length | 32 ft 7 in |
| Wingspan | 40 ft 8 in |
| Height | 13 ft |
| Typical seating | 6 to 8 including crew |
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