# N1985D: 1985 Head Balloons AX7-77

- Status: Valid registration
- Airframe: [Head Balloons AX7-77](https://openairdocs.org/model/head-balloons-ax7-77) (registry code 4280100, 4 seats)
- Engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000)
- Data sheets: [TCDS A29SO](https://openairdocs.org/tcds/A29SO) (Head Balloons Inc.) (OpenAirDocs)
- Serial number: 120
- Year built: 1985
- Type: Balloon
- Engine type: None
- Airworthiness: Standard, balloon
- Airworthiness date: November 26, 1985
- Certificate issued: June 13, 2019
- Expires: June 30, 2029
- Mode S code: A188EE
- Registered owner: [Gunby Robert W](https://openairdocs.org/faa-owner/GUNBY%20ROBERT%20W)
- Location: [Stapleton, GA](https://openairdocs.org/faa-place/GA/Stapleton)
- Owner type: Individual
- Owner's area on the map: 33.2220° N, 82.4561° W: Placed by OpenAirDocs at the center of ZIP code 30823, within about 5 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=1985D
- Page: https://openairdocs.org/aircraft/N1985D

From the FAA registry file of October 24, 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): 2 in force

### Matched by airframe (Head Balloons AX7-77)

- [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 2008-04-15](https://openairdocs.org/ad/2008-04-15): Self seal valves · Cameron Balloons AX10-160 (S.1), AX10-160(S.2), AX10-180 (S.1) and 24 more. Effective Mar 25, 2008

### Matched by engine (NONE)

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 N1985D.

## FAA accident and incident reports

None matched to N1985D.

## 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) (10)

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 (Head Balloons AX7-77)

- [STC SB10564SC](https://openairdocs.org/stc/SB10564SC): Installation of Night Position Lights. Highland Balloon Repair, CRS NHMD682X
- [STC SB09657RC](https://openairdocs.org/stc/SB09657RC): Installation of Aircraft Position Lights. Albuquerque Balloon Center, Inc
- [STC SB04407AT](https://openairdocs.org/stc/SB04407AT): Installation of the DBI-III Omega. Balloonacy, Ltd. LLC
- [STC SB00463AT](https://openairdocs.org/stc/SB00463AT): Installation of Cameran basket and burner systems. Head Balloons Inc
- [STC SL2263SO](https://openairdocs.org/stc/SL2263SO): Installation of Aerostar (Raven) Models CW, W, and RW basket and burner systems. Head Balloons Inc
- [STC SB02317AT](https://openairdocs.org/stc/SB02317AT): Installation of Sky Balloons (TC B01CE) baskets (sizes: 1.29m X 1.07M, 1.55M X 1.19M, and 1.80M X 1.29M) and burners (BR1 double burner and BR2 Mistral Double Burner) under Head Balloons' Model AX7-77, AX7-77b, AX8-88, AX8-88b, AX8-105 and AX9-118 envelopes. Head Balloons Inc
- [STC SL2407SO](https://openairdocs.org/stc/SL2407SO): Attachment of Head Balloons hot air balloon envelopes with Adams Balloon Loft Model A50/A50S basket, burner, instruments, and fuel system components. Head Balloons Inc
- [STC SB01867AT](https://openairdocs.org/stc/SB01867AT): Attachment of Head Balloons hot air balloon envelopes with Lindstrand Balloon basket, burner, instruments, and fuel system components. Head Balloons Inc
- [STC SB01048AT](https://openairdocs.org/stc/SB01048AT): Installation of Thunder and Colt40X40, 40X48, 40X54, and 40X60 basket assemblies. Head Balloons Inc
- [STC SL1748SO](https://openairdocs.org/stc/SL1748SO): Installation of Balloon Works sizes3.9, 4.0, 4.5, 4.9, and 5.0 baskets. Head Balloons Inc

## Earlier aircraft with N1985D

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N1985D before.

- [Cancelled 1974-07-18](https://openairdocs.org/deregistered/N1985D-1974-07-18): Beech C35, S/N D-3210. Owner: [Hickman W B Jr](https://openairdocs.org/faa-owner/HICKMAN%20W%20B%20JR), [Casper, WY](https://openairdocs.org/faa-place/WY/Casper)

## Related

- Other Head Balloons AX7-77 aircraft: https://openairdocs.org/model/head-balloons-ax7-77/aircraft.md
- The NONE engine: https://openairdocs.org/engine/none.md

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