# Thunder & Colt THUNDER AX7-77

- Type: Aircraft model (FAA registry)
- Registry code: 8970121
- Manufacturer (registry): THUNDER & COLT LTD
- Model: THUNDER AX7-77
- Aircraft type: Balloon
- Category: Balloon
- Engines: None
- Seats: 4
- Weight class: Up to 12,499 lb
- Certification: Type certificated
- Data sheet: [TCDS B2EU](https://openairdocs.org/tcds/B2EU) (OpenAirDocs)
- Holder: Cameron Balloons Ltd.
- Registered aircraft: 3
- Page: https://openairdocs.org/model/thunder-colt-thunder-ax7-77

Model codes come from the FAA registry's reference file. ADs are matched to them by model name and maker.

## ADs that may apply (OpenAirDocs)

Matched to this model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment.

- [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

## Information bulletins (advisory) (1)

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

## Registered aircraft (3)

- [N515V](https://openairdocs.org/aircraft/N515V): [Humes David Donald](https://openairdocs.org/faa-owner/HUMES%20DAVID%20DONALD), [Moline, IL](https://openairdocs.org/faa-place/IL/Moline), built 1989, S/N 1532
- [N721TC](https://openairdocs.org/aircraft/N721TC): [Powdrell Richard M](https://openairdocs.org/faa-owner/POWDRELL%20RICHARD%20M), [Bernalillo, NM](https://openairdocs.org/faa-place/NM/Bernalillo), S/N 2395
- [N750TC](https://openairdocs.org/aircraft/N750TC): [Lavorgna Bruce P](https://openairdocs.org/faa-owner/LAVORGNA%20BRUCE%20P), [Temple, TX](https://openairdocs.org/faa-place/TX/Temple), S/N 2317

## NTSB investigations

None matched to aircraft with this model.

## FAA accident and incident reports

None matched to aircraft with this model.

## STCs that may be installed (OpenAirDocs) (9)

Approved for this model: the STC's model list names it on its data sheet, or a series that includes it. In force first, then newest. The registry doesn't record which STCs an aircraft has.

- [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 SB02248CH](https://openairdocs.org/stc/SB02248CH): ONE ONLY - S/N 180 Replace the Cameron Balloons Ltd. Basket/Burner System. Cameron Balloons US
- [STC SB02043CH](https://openairdocs.org/stc/SB02043CH): Limited to installation on serial number 2344 ONLY. Cameron Balloons US
- [STC SB1010NE](https://openairdocs.org/stc/SB1010NE): Installation of Aerostat Envelopes Model W-175-5 replacement envelope. Ronald T. DiGiovanni
- [STC SB01020CH](https://openairdocs.org/stc/SB01020CH): Replace existing Thunder and Colt envelope fabric with the corresponding Cameron Balloons US envelope fabric as listed. Cameron Balloons US
- [STC SB09348SC](https://openairdocs.org/stc/SB09348SC): Installation of S.S. fuel tanks manufactured by Protank with serial numbers V30US-002 through V30US-015. Balloon Repairs of East Texas
- [STC SB1757GL](https://openairdocs.org/stc/SB1757GL): Install Firefly baskets. Airborne America
- [STC SA2741SW](https://openairdocs.org/stc/SA2741SW): Installation of foldup gondola. AERCO

## The same model under other registry codes

Amateur-built copies and renamed makers get their own codes.

- [Head Balloons AX7-77](https://openairdocs.org/model/head-balloons-ax7-77): 35 registered aircraft, registry code 4280100
- [Thunder Balloons AX7-77](https://openairdocs.org/model/thunder-balloons-ax7-77): 4 registered aircraft, registry code 8970107
- [Thunder & Colt Airborne Amer AX7-77 S1](https://openairdocs.org/model/thunder-colt-airborne-amer-ax7-77-s1): 2 registered aircraft, registry code 2301211
- [Thunder & Colt THUNDER AX7-77 S1](https://openairdocs.org/model/thunder-colt-thunder-ax7-77-s1): 0 registered aircraft, registry code 8970123

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
