# N2US: 1973 Piccard AX-6

- Status: Valid registration
- Airframe: [Piccard AX-6](https://openairdocs.org/model/piccard-ax-6) (registry code 7001218, 1 seats)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Data sheets: [TCDS A18WE](https://openairdocs.org/tcds/A18WE) (JR Aerosports Ltd.) (OpenAirDocs)
- Serial number: 643
- Year built: 1973
- Type: Balloon
- Engine type: None
- Airworthiness: Standard, balloon
- Airworthiness date: June 14, 1973
- Certificate issued: July 7, 1973
- Expires: October 31, 2027
- Mode S code: A18F24
- Registered owner: [Mullin Christopher E](https://openairdocs.org/faa-owner/MULLIN%20CHRISTOPHER%20E)
- Location: [Honolulu, HI](https://openairdocs.org/faa-place/HI/Honolulu)
- Owner type: Individual
- Owner's area on the map: 21.2722° N, 157.8223° W: Placed by OpenAirDocs at the center of ZIP code 96815, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=2US
- Page: https://openairdocs.org/aircraft/N2US

From the FAA registry file of October 22, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination.

## ADs that may apply (OpenAirDocs): 4 in force

### Matched by airframe (Piccard AX-6)

- [AD 2013-03-10](https://openairdocs.org/ad/2013-03-10): Hardware · Aeronaut Instruction Research Skysailor 105, Skysailor 90, 110C and 439 more. Effective Mar 19, 2013
- [AD 83-15-03](https://openairdocs.org/ad/83-15-03): Propane Jet Modification · Sundance Balloons AX-6. Effective Aug 4, 1983
- [AD 81-09-02](https://openairdocs.org/ad/81-09-02): Deflation Panel System · Sundance Balloons AX-6. Effective Apr 23, 1981
- [AD 75-09-14](https://openairdocs.org/ad/75-09-14): Fuel System Failure or Fire · Sundance Balloons AX-6. Effective Apr 28, 1975

### Matched by engine (Amateur-built UNKNOWN ENG)

None in force.

## Information bulletins (advisory) (1 in force)

- [SAIB CE-11-44](https://openairdocs.org/saib/CE-11-44): Fuel: Cylinder Strap Installation. Issued Jul 13, 2011

## NTSB investigations

None matched to N2US.

## FAA accident and incident reports

None matched to N2US.

## Service difficulty reports

None filed for this aircraft. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

## STCs that may be installed (OpenAirDocs) (11)

Approved for this aircraft's airframe or engine model, in force first, then newest. The registry doesn't record which STCs an aircraft has; its records do.

### Approved for the airframe (Piccard AX-6)

- [STC SB04407AT](https://openairdocs.org/stc/SB04407AT): Installation of the DBI-III Omega. Balloonacy, Ltd. LLC
- [STC SL2552SO](https://openairdocs.org/stc/SL2552SO): Installation of Piccard P-80 envelope. Don Piccard Balloons
- [STC SB00407LA](https://openairdocs.org/stc/SB00407LA): Installation of foam padded tank covers. John Terry
- [STC SB8980SW](https://openairdocs.org/stc/SB8980SW): Installation of Cameron Balloons US Aristocrat basket (P/N CB301-3) and Cameron Balloons US Mark III burner assembly and fuel system(P/N CB205). Streett Christee T
- [STC SA2683SO](https://openairdocs.org/stc/SA2683SO): Installation of cargo loading system. Zantop Intl Airlines Inc
- [STC SB3583NM](https://openairdocs.org/stc/SB3583NM): The installation of a Cameron burner and load frame in place of the Piccard burner and load frame. John Terry
- [STC SB1578NM](https://openairdocs.org/stc/SB1578NM): Installation of Cameron MK IV single burner and fuel system. Rocky Mountain Balloonport
- [STC SB10WE](https://openairdocs.org/stc/SB10WE): Installation of a digital readout balloon envelope temperature indicator. Advanced Aircraft Components
- [STC SB3WE](https://openairdocs.org/stc/SB3WE): Installation of digital readout balloon envelope temperature indicator. Advanced Aircraft Components
- [STC SA2327SW](https://openairdocs.org/stc/SA2327SW): Installation of locking 'Carabiner' in the suspension system. Meador J C
- [STC SL575SO](https://openairdocs.org/stc/SL575SO): Installation of ABP-181 automatic balloon pilot (automatic temperature control). Cline J Donald

## Related

- Other Piccard AX-6 aircraft: https://openairdocs.org/model/piccard-ax-6/aircraft.md
- The Amateur-built UNKNOWN ENG engine: https://openairdocs.org/engine/amateur-built-unknown-eng.md

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